Database Develop

[Guide] Full Tutorial To Install Custom ROM [GT-P6800]

thnxs to sk806,(go and thank him first)
First, you need to root your device. Download the link from this post: http://forum.xda-developers.com/showpost.php?p=21584547&postcount=1.
Put the file "root.zip" you just downloaded onto your EXTERNAL SDcard.
Then, power off the device.
When it's off (it'll buzz), press the volume up key (the one closer the power button) and the power key at the same time.
After a few seconds, the "Galaxy Tab 7.7" splash screen will come up. When it does, LET GO OF THE POWER BUTTON, BUT KEEP HOLDING THE VOLUME UP BUTTON.
Soon you will see some yellow writing on your screen saying the device is copying apks, etc. What is happening is you are booting into the tablet's stock recovery. After a bit, the yellow writing will go away, and then you will arrive at a blue menu.
Using the volume keys, select "install from external storage", then press the power button. You will arrive at a menu of your sd card.
Using the volume keys, select "root.zip" and press the power button.
You will again see some yellow writing and your device will be rooted.
After it's done, reboot the device by selecting reboot and pressing power (it may reboot automatically, I can't remember). You are now rooted!
Now that you are rooted, you need to flash the ported Clockwork Mod Recovery for this tablet onto your device. This is a custom recovery that will replace the stock one you saw before and allow you to flash custom ROMs...You can download the recovery .tar file in this post: http://forum.xda-developers.com/showpost.php?p=21957277&postcount=1.
You can flash the file your just downloaded, "P6800_Recovery.tar" one of two ways: with an app on the market called "Mobile ODIN", it costs a few dollars, or you can download a windows desktop version of ODIN here: http://forum.xda-developers.com/showpost.php?p=19760431&postcount=1. THE MOBILE ODIN METHOD IS MUCH EASIER, AND I HIGHLY RECOMMEND IT!!! If you choose to use Mobile Odin, proceed to the next step and skip steps 14-20, below. If you decide to go the desktop way, skip ahead to step 14.
If you are using Mobile Odin, you just copy the "P6800_Recovery.tar" file to your internal or external storage. Then open Open Mobile Odin. You will see a menu. Toward the bottom, you will see an option to "Open file". Select this and then navigate to the "P6800_Recovery.tar" it will load it up (you will see it in the "recovery" slot). Then hit "Flash Firmware". Wait while it does it's thing, and it will reboot automatically. When it reboots, you have successfully flashed Clockwork Mod Recovery onto your device.
If you use the desktop version, you need to first install Samsung Kies (Google it) to get the proper drivers for you PC to recognize your tablet when plugged in via USB.
Then, copy "P6800_Recovery.tar" to your PC desktop.
Then, you need to unzip the ODIN 1.85.zip you downloaded from the link above onto your desktop, go into the unzipped ODIN folder and run the Odin 1.85.exe.
You will be shown a GUI with a list of buttons on the lower right side (PIT, Recovery, CSC, PDA, Phone, etc.). You want to click the button that says "PDA" and then, in the file selector, choose the "P6800_Recovery.tar" file.
Next you need to put your phone in "download" mode. To do this, power off the device. When it's off, press the VOLUME DOWN and power keys at the same time. When you see the "Galaxy Tab 7.7" splash screen, let go of the power button, but keep holding the volume down button (so, it's like booting into recovery, but with the volume down button, instead).
You will then be shown a caution prompt asking if you really want to enter download mode, hit the volume up key to select yes. Now, plug the tablet into the USB cable that came with your tablet and wait for windows to install the drivers (as noted above, this is why you installed Kies). You will know your device is properly connected when one of the windows in the upper left of the GUI has a yellow bar at the bottom of it and says COM:3 or whatever port you are on.
When you are sure your are connected, click the big Start button and it will go through the process, and your tablet will reboot automatically. You now have Clockwork Mod Recovery flashed to your tablet.
Once you have Clocwork Mod Recovery Flashed onto your device, the last step is to flash the custom ROM.
Download ROM zip file from the thread, then place it somewhere on the internal or external storage of your device, then power off.
Once your device is off, you will boot into recovery like you did above, press the volume up and power keys at the same time, and when you see the "Galaxy Tab 7.7" splash screen. let go of the power button, but hold the volume up key until you boot into clockwork mod recovery (you will see a blue menu again with a little logo of a hat on a gear.
As you will see, this is a different recovery from the one you booted into before, it is a custom recovery that will allow you to flash custom ROMs!
Using the volume keys and selecting with the power key, first perform "wipe data/factory reset". When that's done, perform "wipe cache partition".
When you have done these two wipes, select "Install zip from sdcard". You will then be shown a list of your sdcard's contents. Navigate to the ROM .zip file and press the power key. It will then ask you if you are sure, and select yes then press the power key. You will now see a little progress bar and a description of what is happening. It takes a while and your device will reboot automatically when it's finished.
That's it, you have a custom ROM on your tab!
***HIT THE THANKS BUTTON IF YOU FOUND THIS POST HELPFUL~***
Click to expand...
Click to collapse

Thanks for your work...
It would be nice if you could make the tutorial with picture and numerical steps.

Good tut love the afford. Some ppl could really use that.
(Edit) tnx goes to steve and you for posting
Verstuurd van mijn GT-P6800 met Tapatalk

Made it a little easier to read/follow for ya.
haidharbbc said:
thnxs to sk806,(go and thank him first)
OK, here you go:
First, you need to root your device.
Download the link from this post: http://forum.xda-developers.com/showpost.php?p=21584547&postcount=1
Put the file "root.zip" you just downloaded onto your EXTERNAL SDcard.
Then, power off the device.
When it's off (it'll buzz), press the volume up key (the one closer the power button) and the power key at the same time. After a few seconds, the "Galaxy Tab 7.7" splash screen will come up. When it does, LET GO OF THE POWER BUTTON, BUT KEEP HOLDING THE VOLUME UP BUTTON. Soon you will see some yellow writing on your screen saying the device is copying apks, etc. What is happening is you are booting into the tablet's stock recovery. After a bit, the yellow writing will go away, and then you will arrive at a blue menu.
Using the volume keys, select "install from external storage", then press the power button. You will arrive at a menu of your sd card.
Using the volume keys, select "root.zip" and press the power button. You will again see some yellow writing and your device will be rooted. After it's done, reboot the device by selecting reboot and pressing power (it may reboot automatically, I can't remember). You are now rooted!
Now that you are rooted, you need to flash the ported Clockwork Mod Recovery for this tablet onto your device. This is a custom recovery that will replace the stock one you saw before and allow you to flash custom ROMs...You can download the recovery .tar file in this post: http://forum.xda-developers.com/showpost.php?p=21957277&postcount=1
You can flash the file your just downloaded, "P6800_Recovery.tar" one of two ways: with an app on the market called "Mobile ODIN", it costs a few dollars, or you can download a windows desktop version of ODIN here:.http://forum.xda-developers.com/showpost.php?p=19760431&postcount=1
THE MOBILE ODIN METHOD IS MUCH EASIER, AND I HIGHLY RECOMMEND IT!!! If you choose to use Mobile Odin, proceed to the next step and skip steps 14-20 (in italics), below. If you decide to go the desktop way, skip ahead to step 14.
If you are using Mobile Odin, you just copy the "P6800_Recovery.tar" file to your internal or external storage. Then open Open Mobile Odin. You will see a menu. Toward the bottom, you will see an option to "Open file". Select this and then navigate to the "P6800_Recovery.tar" it will load it up (you will see it in the "recovery" slot). Then hit "Flash Firmware". Wait while it does it's thing, and it will reboot automatically. When it reboots, you have successfully flashed Clockwork Mod Recovery onto your device.
If you use the desktop version, you need to first install Samsung Kies (Google it) to get the proper drivers for you PC to recognize your tablet when plugged in via USB. Then, copy "P6800_Recovery.tar" to your PC desktop. Then, you need to unzip the ODIN 1.85.zip you downloaded from the link above onto your desktop, go into the unzipped ODIN folder and run the Odin 1.85.exe. You will be shown a GUI with a list of buttons on the lower right side (PIT, Recovery, CSC, PDA, Phone, etc.).
You want to click the button that says "Recovery" and then, in the file selector, choose the "P6800_Recovery.tar" file.
Next you need to put your phone in "download" mode. To do this, power off the device. When it's off, press the VOLUME DOWN and power keys at the same time. When you see the "Galaxy Tab 7.7" splash screen, let go of the power button, but keep holding the volume down button (so, it's like booting into recovery, but with the volume down button, instead).
You will then be shown a caution prompt asking if you really want to enter download mode, hit the volume up key to select yes. Now, plug the tablet into the USB cable that came with your tablet and wait for windows to install the drivers (as noted above, this is why you installed Kies). You will know your device is properly connected when one of the windows in the upper left of the GUI has a yellow bar at the bottom of it and says COM:3 or whatever port you are on.
When you are sure your are connected, click the big Start button and it will go through the process, and your tablet will reboot automatically. You now have Clockwork Mod Recovery flashed to your tablet.
Once you have Clocwork Mod Recovery Flashed onto your device, the last step is to flash the custom ROM.
Download ROM zip file from the thread, then place it somewhere on the internal or external storage of your device, then power off.
Once your device is off, you will boot into recovery like you did above, press the volume up and power keys at the same time, and when you see the "Galaxy Tab 7.7" splash screen. let go of the power button, but hold the volume up key until you boot into clockwork mod recovery (you will see a blue menu again with a little logo of a hat on a gear.
As you will see, this is a different recovery from the one you booted into before, it is a custom recovery that will allow you to flash custom ROMs!
Using the volume keys and selecting with the power key, first perform "wipe data/factory reset". When that's done, perform "wipe cache partition".
When you have done these two wipes, select "Install zip from sdcard".
You will then be shown a list of your sdcard's contents. Navigate to the ROM .zip file and press the power key. It will then ask you if you are sure, and select yes then press the power key. You will now see a little progress bar and a description of what is happening. It takes a while and your device will reboot automatically when it's finished.
That's it, you have a custom ROM on your tab!
Click to expand...
Click to collapse

thnxs for updating it to easier to read for others
Sent from my GT-P6800 using xda premium

Hi!
The ODIN Mobile which I have use to install the Recover, then can I remove it because think about not use it any more???

thx, much appriciated, will try later
2 questions
a why is it necesarry to use clockword recovery ?
i flashed this stock tweaked rom in stock recovery without any problems
http://forum.xda-developers.com/showthread.php?t=1520888
b. is it possible to remove clockwork recovery in case of ...., go back to the old stock recovery of Samsung ?

Original Post
This is the tutorial as I wrote it...I suggest you edit the OP with this, or the version above. If you hit the "Quote" button below, you can copy the properly formatted text from the reply window (it will start with [QUOTE: blah blah], have "[*]" instead of numbers, and end with [QUOTE/]), and then copy and paste to your OP. Thanks.
Steve
First, you need to root your device. Download the link from this post: http://forum.xda-developers.com/showpost.php?p=21584547&postcount=1.
Put the file "root.zip" you just downloaded onto your EXTERNAL SDcard.
Then, power off the device.
When it's off (it'll buzz), press the volume up key (the one closer the power button) and the power key at the same time.
After a few seconds, the "Galaxy Tab 7.7" splash screen will come up. When it does, LET GO OF THE POWER BUTTON, BUT KEEP HOLDING THE VOLUME UP BUTTON.
Soon you will see some yellow writing on your screen saying the device is copying apks, etc. What is happening is you are booting into the tablet's stock recovery. After a bit, the yellow writing will go away, and then you will arrive at a blue menu.
Using the volume keys, select "install from external storage", then press the power button. You will arrive at a menu of your sd card.
Using the volume keys, select "root.zip" and press the power button.
You will again see some yellow writing and your device will be rooted.
After it's done, reboot the device by selecting reboot and pressing power (it may reboot automatically, I can't remember). You are now rooted!
Now that you are rooted, you need to flash the ported Clockwork Mod Recovery for this tablet onto your device. This is a custom recovery that will replace the stock one you saw before and allow you to flash custom ROMs...You can download the recovery .tar file in this post: http://forum.xda-developers.com/showpost.php?p=21957277&postcount=1.
You can flash the file your just downloaded, "P6800_Recovery.tar" one of two ways: with an app on the market called "Mobile ODIN", it costs a few dollars, or you can download a windows desktop version of ODIN here: http://forum.xda-developers.com/showpost.php?p=19760431&postcount=1. THE MOBILE ODIN METHOD IS MUCH EASIER, AND I HIGHLY RECOMMEND IT!!! If you choose to use Mobile Odin, proceed to the next step and skip steps 14-20, below. If you decide to go the desktop way, skip ahead to step 14.
If you are using Mobile Odin, you just copy the "P6800_Recovery.tar" file to your internal or external storage. Then open Open Mobile Odin. You will see a menu. Toward the bottom, you will see an option to "Open file". Select this and then navigate to the "P6800_Recovery.tar" it will load it up (you will see it in the "recovery" slot). Then hit "Flash Firmware". Wait while it does it's thing, and it will reboot automatically. When it reboots, you have successfully flashed Clockwork Mod Recovery onto your device.
If you use the desktop version, you need to first install Samsung Kies (Google it) to get the proper drivers for you PC to recognize your tablet when plugged in via USB.
Then, copy "P6800_Recovery.tar" to your PC desktop.
Then, you need to unzip the ODIN 1.85.zip you downloaded from the link above onto your desktop, go into the unzipped ODIN folder and run the Odin 1.85.exe.
You will be shown a GUI with a list of buttons on the lower right side (PIT, Recovery, CSC, PDA, Phone, etc.). You want to click the button that says "Recovery" and then, in the file selector, choose the "P6800_Recovery.tar" file.
Next you need to put your phone in "download" mode. To do this, power off the device. When it's off, press the VOLUME DOWN and power keys at the same time. When you see the "Galaxy Tab 7.7" splash screen, let go of the power button, but keep holding the volume down button (so, it's like booting into recovery, but with the volume down button, instead).
You will then be shown a caution prompt asking if you really want to enter download mode, hit the volume up key to select yes. Now, plug the tablet into the USB cable that came with your tablet and wait for windows to install the drivers (as noted above, this is why you installed Kies). You will know your device is properly connected when one of the windows in the upper left of the GUI has a yellow bar at the bottom of it and says COM:3 or whatever port you are on.
When you are sure your are connected, click the big Start button and it will go through the process, and your tablet will reboot automatically. You now have Clockwork Mod Recovery flashed to your tablet.
Once you have Clocwork Mod Recovery Flashed onto your device, the last step is to flash the custom ROM.
Download ROM zip file from the thread, then place it somewhere on the internal or external storage of your device, then power off.
Once your device is off, you will boot into recovery like you did above, press the volume up and power keys at the same time, and when you see the "Galaxy Tab 7.7" splash screen. let go of the power button, but hold the volume up key until you boot into clockwork mod recovery (you will see a blue menu again with a little logo of a hat on a gear.
As you will see, this is a different recovery from the one you booted into before, it is a custom recovery that will allow you to flash custom ROMs!
Using the volume keys and selecting with the power key, first perform "wipe data/factory reset". When that's done, perform "wipe cache partition".
When you have done these two wipes, select "Install zip from sdcard". You will then be shown a list of your sdcard's contents. Navigate to the ROM .zip file and press the power key. It will then ask you if you are sure, and select yes then press the power key. You will now see a little progress bar and a description of what is happening. It takes a while and your device will reboot automatically when it's finished.
That's it, you have a custom ROM on your tab!

yes..you can remove it after u install it..but just save it for later purpose my opinion
Sent from my GT-P6800 using xda premium

yarda,
i can't really answer for your 1st question..maybe steve dan help you..
for the 2nd question, i think by flashing the stock firmware and factory reset will do the trick
Sent from my GT-P6800 using xda premium

flashed clockword with odin mobile, it's easy
just follow the steps
now i'm capable to make a nandroid backup before flashing some other stuff

ok..thnxs for the feedback
Sent from my GT-P6800 using xda premium

Yarda said:
thx, much appriciated, will try later
2 questions
a why is it necesarry to use clockword recovery ?
i flashed this stock tweaked rom in stock recovery without any problems
http://forum.xda-developers.com/showthread.php?t=1520888
b. is it possible to remove clockwork recovery in case of ...., go back to the old stock recovery of Samsung ?
Click to expand...
Click to collapse
first question:
Why you can flash this ROM with your stock recovery, i look inside the script steve made and found that
-script mounting and unmounting /data and /system partition
-deleting file system from /data and /system partition
-moving file from zip to /system and /data partition
-making busybox symlinks
-installing kernel
-set some permission
All above process is support with edify script from stock recovery...( until now, i dont know if samsung lock it someday) thats why you can install steve ROM...

suwandiapr said:
first question:
Why you can flash this ROM with your stock recovery, i look inside the script steve made and found that
-script mounting and unmounting /data and /system partition
-deleting file system from /data and /system partition
-moving file from zip to /system and /data partition
-making busybox symlinks
-installing kernel
-set some permission
All above process is support with edify script from stock recovery...( until now, i dont know if samsung lock it someday) thats why you can install steve ROM...
Click to expand...
Click to collapse
This is correct. The tutorial was for all custom ROMs to come, not just my tweaked stock one. The fact that you can flash my ROM is because it is nothing too exotic (it's stock...) and the bootloader and recovery on the tab is not locked down. These things may change, and it is better to have the CWM recovery for that reason AND, especially, as noted in the post above, you can make NANDROID backups which you really should do before you flash a custom ROM...
Steve

thx for the explanation !
i now use CWM recovery, flashed with Odin mobile

great tut, but my CHINA P6800 will not accept any other ROM install for some reason. Yes, I have a brain and others confirm it's somehow locked. No f-ing idea how; more research after (endless) travel.

sk806 said:
This is correct. The tutorial was for all custom ROMs to come, not just my tweaked stock one. The fact that you can flash my ROM is because it is nothing too exotic (it's stock...) and the bootloader and recovery on the tab is not locked down. These things may change, and it is better to have the CWM recovery for that reason AND, especially, as noted in the post above, you can make NANDROID backups which you really should do before you flash a custom ROM...
Steve
Click to expand...
Click to collapse
This should be included in the tutorial imo.

so in a nutshell, we're bootloader unlocked, I can get my brand new HK galaxy tab 7.7 and root/CWM right away (like my OG tab) without having to do any Bootloader unlock method?
cheers

yes..mine juz straightly rooted..same like most of the others
Sent from my GT-P6800 using xda premium

Thanks Guy

[Q] Phone is always booting in TWRP Mode

I'm new to this forum,
I tried to flash using signed-broodROM-JB-Release-1.zip.
I have followed these steps
Turn off your phone.
Reboot the phone into Recovery Mode by holding down the Volume Up and Power keys. When the Samsung logo appears, release both buttons. When “Android out of the Box” is displayed, tap the Menu button. DO NOT press the Home button during bootup, or else the phone will enter RAM Dump Mode.
On the recovery menu, select Apply update from SD card or Install ZIP from SD card.
Locate the twrp2.2.1-recovery.zip file and confirm that you want to install the file.
Reboot your phone afterwards.
Turn off the phone.
Reboot the phone into Recovery Mode as in step 2.
If you see the TWRP Recovery menu, then you’ve successfully flashed the new custom recovery over your phone’s stock recovery.
1.Copy the signed-broodROM-JB-Release-1.zip file and the Google Apps package to the internal SD card of your phone.
2.Turn off the phone.
3.Boot your phone into Recovery Mode. You can do this by pressing and holding down the Volume Up and Power buttons at the same time. You can then let go of the buttons once the Samsung logo on the screen appears. When the icon bearing an Android inside a box shows up, press the Menu button.
4.Select Wipe data/factory reset and confirm the action on the next screen.
5.Select Wipe and choose Cache. Confirm the action on the next screen.
6.Select Install ZIP from SD card. Select Choose ZIP from SD card and locate the signed-broodROM-JB-Release-1.zip file. Confirm the installation on the next screen.
Once the installation is complete, flash the Google Apps package in the same manner as in step 7.
Go back to the main menu and select Reboot system now to reboot your phone. It would take about 5-7 minutes to boot for the first time.
But NOW my phone is always starting with TWRP Mode...Help??
Is my phone bricked??

nissam333 said:
I'm new to this forum,
I tried to flash using signed-broodROM-JB-Release-1.zip.
I have followed these steps
Turn off your phone.
Reboot the phone into Recovery Mode by holding down the Volume Up and Power keys. When the Samsung logo appears, release both buttons. When “Android out of the Box” is displayed, tap the Menu button. DO NOT press the Home button during bootup, or else the phone will enter RAM Dump Mode.
On the recovery menu, select Apply update from SD card or Install ZIP from SD card.
Locate the twrp2.2.1-recovery.zip file and confirm that you want to install the file.
Reboot your phone afterwards.
Turn off the phone.
Reboot the phone into Recovery Mode as in step 2.
If you see the TWRP Recovery menu, then you’ve successfully flashed the new custom recovery over your phone’s stock recovery.
1.Copy the signed-broodROM-JB-Release-1.zip file and the Google Apps package to the internal SD card of your phone.
2.Turn off the phone.
3.Boot your phone into Recovery Mode. You can do this by pressing and holding down the Volume Up and Power buttons at the same time. You can then let go of the buttons once the Samsung logo on the screen appears. When the icon bearing an Android inside a box shows up, press the Menu button.
4.Select Wipe data/factory reset and confirm the action on the next screen.
5.Select Wipe and choose Cache. Confirm the action on the next screen.
6.Select Install ZIP from SD card. Select Choose ZIP from SD card and locate the signed-broodROM-JB-Release-1.zip file. Confirm the installation on the next screen.
Once the installation is complete, flash the Google Apps package in the same manner as in step 7.
Go back to the main menu and select Reboot system now to reboot your phone. It would take about 5-7 minutes to boot for the first time.
But NOW my phone is always starting with TWRP Mode...Help??
Is my phone bricked??
Click to expand...
Click to collapse
Flash this version of TWRP, should help http://www.mediafire.com/?0ufe8dcv5kkajay [Installtion Guide: http://forum.xda-developers.com/showthread.php?t=1694617]

[Q] [Need Help] Can't boot???

Hi all
Now,I'm using Note 3 AT&T (N900A). When I am using Odin to go to Recovery, then press Fail Odin, then I can not turn it on. Now, I can not use any buttons on the machine. When I press the Power button, the machine does not vibrate. The screen is dark. Anyone can help me? Thanks so much!!
P/s: sorry about my English.
Follow instructions word for word, take your time and go slow
1.Download the (alreadykitkat.zip) if you haven't done so yet.
2. Extract it to somewhere on your desktop or PC
3.Copy “Safestrap-Custom.apk” to your phones internal memory, and install it. Make sure you install recovery from within safestrap app, or verify that it is installed
4.Next copy the rom to your phones internal memory(it’s called XNote Port.zip)
5.Boot into download mode (power off, then hold-Volume down, Home and power button at same time
6.Open the “Togetsafestrap” folder and open Odin (win 7 and 8 users may need to run with administrator rights). Add the correct partition Files,
Make sure the files or AP_N900AUCUBMJ5.tar.md5 and BL_N900AUCUBMJ5.tar.md5 and verify your Odin window looks like this picture
7.Click start. Now when the phone is booting up make sure to click “recovery” on the safestrap screen.
(If you missed it just hold down, power button until phone reboots)
8. You can wipe before flashing (Optional) if you want a clean install. Flash the X-Note Port.zip to Stock slot,
But don’t reboot when done,
9. Keep hitting the back button until you see the reboot menu button
Press reboot menu button and select download mode button. Or if you messed up and rebooted just Press Volume down, Home and power button at same time until your back in download mode.
10. Now open the folder “togetbooting” and open Odin. Select the correct partition Files, Make sure you select AP_N900AUCECMGL.tar and BL_N900AUCECMGL.tar and verify your Odin window looks like this picture
11. Click start
done, enjoy the ROM
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2654992

Sorry your phone isn't responding. Since you can't get into download mode, I recommend trying this method to restore.
http://forum.xda-developers.com/showthread.php?t=2476353

440bro said:
Sorry your phone isn't responding. Since you can't get into download mode, I recommend trying this method to restore.
http://forum.xda-developers.com/showthread.php?t=2476353
Click to expand...
Click to collapse
it wont work if he isn't on mi9. it wont let him downgrade.

Stuck in Bootloop after installing SuperSu using TWRP for samung M20

So, I was on Android 10, I was trying to root using Magisk & TWRP as mentioned in this XDA Post.
Title:: "[RECOVERY] TWRP 3.3.0 for Galaxy M20" , By DarkLord1731, Senior Member on 3rd March 2019, 08:54 AM (**mentioning because i cant post link**)
Even after multiple attempts, I was unable to install
1. no-verity-opt-encrypt 2. RMM Bypass zip using TWRP.
Both kept on failing even when i tried different versions.
-------------
Later on when i tried flashing SuperSU , phone got bootlocked
still stuck, any help would be appreciated.
-------
Installation Steps:
- First, make sure your phone isn't RMM Locked.
- Download Odin3 v3.13.1, Samsung USB Drivers, latest TWRP's tar for your variant, latest no-verity-opt-encrypt zip, latest Magisk.zip and RMM Bypass zip by Black Mesa, and copy all of them to your external sd card.
- Go to Settings App, Developer Options and enable OEM Unlock (If you don't see Developer Setings, go into About phone>Software info and tap "Build number" 10 times to show Developer Options menu).
- Do a backup of all your important data and files in your phone.
- Shutdown the phone. Once it's off, Power it On in Download Mode (Connect your phone to your PC, press and hold Power, Vol + and Vol - buttons together )
- Open Odin3, go in Option section and untick "Auto-reboot". Once that click the "AP" button and select the TWRP tar you downloaded before, then press the "Start" button.
- Once Odin3 finished to flash the recovery (you should see a "PASS" message), force reboot your phone (Press and hold Power and Vol - buttons together) and once the screen is off, press and hold Power and Vol + buttons together to boot in TWRP.
- Once TWRP is booted you first need to decrypt your /data partition. To do so touch Wipe>Format Data and follow the instructions in screen.
- Once it finished go back at the home screen and touch Reboot>Recovery. TWRP should be able to mount your data partition. Now flash the no-verity-opt-encrypt, Magisk(necessary to prevent bootloops) and RMM Bypass zip you downloaded before (touch Install and select each zip to flash it)
- You're now able to reboot to your OS without re-encrypting /data partition and without RMM Prenormal lock.

Akshay4497 said:
So, I was on Android 10, I was trying to root using Magisk & TWRP as mentioned in this XDA Post.
Title:: "[RECOVERY] TWRP 3.3.0 for Galaxy M20" , By DarkLord1731, Senior Member on 3rd March 2019, 08:54 AM (**mentioning because i cant post link**)
Even after multiple attempts, I was unable to install
1. no-verity-opt-encrypt 2. RMM Bypass zip using TWRP.
Both kept on failing even when i tried different versions.
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Later on when i tried flashing SuperSU , phone got bootlocked
still stuck, any help would be appreciated.
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Installation Steps:
- First, make sure your phone isn't RMM Locked.
- Download Odin3 v3.13.1, Samsung USB Drivers, latest TWRP's tar for your variant, latest no-verity-opt-encrypt zip, latest Magisk.zip and RMM Bypass zip by Black Mesa, and copy all of them to your external sd card.
- Go to Settings App, Developer Options and enable OEM Unlock (If you don't see Developer Setings, go into About phone>Software info and tap "Build number" 10 times to show Developer Options menu).
- Do a backup of all your important data and files in your phone.
- Shutdown the phone. Once it's off, Power it On in Download Mode (Connect your phone to your PC, press and hold Power, Vol + and Vol - buttons together )
- Open Odin3, go in Option section and untick "Auto-reboot". Once that click the "AP" button and select the TWRP tar you downloaded before, then press the "Start" button.
- Once Odin3 finished to flash the recovery (you should see a "PASS" message), force reboot your phone (Press and hold Power and Vol - buttons together) and once the screen is off, press and hold Power and Vol + buttons together to boot in TWRP.
- Once TWRP is booted you first need to decrypt your /data partition. To do so touch Wipe>Format Data and follow the instructions in screen.
- Once it finished go back at the home screen and touch Reboot>Recovery. TWRP should be able to mount your data partition. Now flash the no-verity-opt-encrypt, Magisk(necessary to prevent bootloops) and RMM Bypass zip you downloaded before (touch Install and select each zip to flash it)
- You're now able to reboot to your OS without re-encrypting /data partition and without RMM Prenormal lock.
Click to expand...
Click to collapse
Don't touch twrp with stock rom, it is quite complicated.
Guide:
1. Download magisk manager(mm) and stock rom
(Backup data using Smart Switch on windows)
2. Copy AP file into internal storage
3. Open mm and choose install magisk
4. Choose select and patch a file
5. Patch the AP file.
6. Use Odin flash the AP file with other files(BL, CSC,...)
7. Reboot( all of ur data will be wiped)
8. Restore data
9. Enjoy
(P/s: i thought i posted last week but just found out that i didn't click post)

Try to root using Magisk to patch boot.img
it is wrking on all samsung devices even with last update of android 10.

INSTALLATION GUIDE FOR ANY ROM FOR AGS-XXX (Mediapad T5)

Hello there. Hope this helps!
FIRST OF ALL, this WILL VOID your waranty. Read the steps BEFORE doing anything
ALSO PLEASE READ THE NOTES AT THE BELOW POST.
UNLOCK BOOTLOADER: It's not "easy" at all (You'll have to open your tab).
Go to device info on tab settings.
Press compilation number for several times until "you're a dev" message appears (It'll prolly ask your pattern/password to continue).
Go to dev options and enable OEM unlocking.
Shut down the tab.
Download PotatoNV sofware from here. (Credits to mashed-potatoes)
Download minimal adb and fastboot from here.
Prepare your environment:
Open your tablet
Grab a clip or a cable
Keep your cool
Follow the steps shown here. KEEP THE GENERATED CODE. This will avoid you from opening again the tablet in the case you have to do a downgrade. The way to unlock it again is writting
Code:
"fastboot oem unlock <code>"
at fastboot mode.
Here you have an image of where the testpoint is.
FLASH TWRP INTO THE TAB:
Follow CAREFULLY this steps:
Shut down the tab
Connect the tab to the PC and hold vol- & pwr button.
Now it'll appear a white screen with some text. If it appears "OEM unlock" in green, then everything's fine. IF NOT, follow unlock bootloader steps again. Then try rebooting into fastboot mode again (vol- & pwr).
Download Pretoriano80 .5 version TWRP from here.
Open Minimal ADB and Fastboot and write this:
"fastboot flash recovery_ramdisk path_of_twrp.img"
It should appear everything OK.
Type "fastboot reboot"
Fastly disconnect the tab from PC and hold vol+ & pwr button before Huawei logo appears (if it appears, just do a hard reboot (hold pwr button) and try again (just hold vol+ and pwr, no need to go back to fastboot).
You're now booting into TWRP!
RESOURCE DOWNLOAD
DOWNLOADING UNTESTED ROMS MAY LEAD TO MAJOR ERRORS
All HI6250 ROMs are "compatible" in some way, wouldn't recommend to install unless proven
A list with all tested and proven to work ROMs can be found here
Download any ROM you want from the above link. The list will be increasing with the time
Download the data decrypter from the MEGA folder (you can also find the link in the ROM list)
(OPTIONAL) you can download gapps. You can also download the version worked for me (little outdated) at the same MEGA link and update them later at the PlayStore.
(OPTIONAL) You can download Magisk from the "ZIPS" folder at the Mega link. GENERIC MAGISKS MAY (99%) NOT WORK ON THE GSIS.
PREPARATION STEPS
Boot into TWRP (vol- & pwr buttons while tab is off)
Don't make system Read Only (Just swipe the first window). This will lead you to a multiple choice menu
Head to INSTALL and select the decryter you will have in a SD card.
Swipe to confirm installation
Go again to main menu and head to WIPE and select "Format data option".
Type "yes" on the keyboard and press enter.
Then go to main menu and head to REBOOT>RECOVERY
If a message appears saying you to install TWRP app, just decline it.
Once in TWRP again, head to WIPE>ADVANCED WIPE and select dalvink/art cache, cache, data and system.
MARKING OTHER THAN THIS OPTIONS WILL LEAD TO AN IMPORTANT ERROR.
Return to main menu
THERE ARE 2 WAYS TO INSTALL A ROM:
1 -- VIA FASTBOOT:
Reboot your tab into fastboot mode (vol- & pwr buttons while connected to PC)
Open minimal adb and fastboot and type:
Code:
fastboot flash system <path_of_rom>.img
Now, wait... (Sparse header file error it's normal)
Once it has finished, type: "fastboot reboot" and disconnect from PC
2 -- VIA TWRP:
Once in TWRP head to INSTALL, press the "install image file" button.
Now head to the route where the .img file of the ROM is.
Select it, in the multiple choice menu select "SYSTEM IMAGE" and swipe to confirm installation.
Once finished, reboot to ROM or continue with the steps in order to get Google or Root working.