M31 can't boot to android recovery mode - Samsung Galaxy M31 Questions & Answers

Hello, I'm having some problems with my M31, it keeps going into boot frequently every day. Whenever there is a call or any activity like opening the app it switches off and only turns back on if I press and hold the power button with volume keys. I tried to reset it hard but it will not go into recovery mode. I press and hold the power and volume up button but instead of recovery mode, it turns on. I don't know what to do, please help!

Recovery Android12: press and hold Volume Up and Power then plugin USB cable to PC
Reflash full firmware if you cannot get rid of the random boots.

yeah go into download mode and reflash full stock firmware . I did from here https://samfw.com/firmware/SM-M315F/INS. but to flash unofficial twrp, still donno how to flash twrp after vbmeta flash its not going into recovery.

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Can't go into fastboot mode. Please help!

Hello. I have a razr I and decided to unlock the bootloader. I tried the button combination power + volume down several times, but the phone just powers up normally (actually rhe screen flashes for a second, but doesn't go into fastboot mode. I trided using adb reboot fastboot but the device just reboots. What can I do about it?
NVM, just did it by fastboot reboot bootloader...
Ok, one more thing. It seems my device ignores the key combo, but I was still able to get into fastboot mode by using adb. However, I have tried to flash a custom recovery with no success.
I tred using the supplied installer and after rebooting I get to the open robot screen with the red exclamation mark. Then, after holding some keys (not sure if power or power + volume down I get into recovery, but it's still the stock android recovery. Then I tried flashing the recovery image from fastboot mode. It sait the recovery was flashed, but still cannot boot into recovery. What's wrong with my phone?
axlastro said:
Hello. I have a razr I and decided to unlock the bootloader. I tried the button combination power + volume down several times, but the phone just powers up normally (actually rhe screen flashes for a second, but doesn't go into fastboot mode. I trided using adb reboot fastboot but the device just reboots. What can I do about it?
NVM, just did it by fastboot reboot bootloader...
Click to expand...
Click to collapse
Just incase you need to do it in the future:
Hold volume down, then hold the power button. When it begins to vibrate release the power button and keep the volume down button pressed until you get into fastboot.
AGISCI said:
Just incase you need to do it in the future:
Hold volume down, then hold the power button. When it begins to vibrate release the power button and keep the volume down button pressed until you get into fastboot.
Click to expand...
Click to collapse
Alright. So how about the never appearing CWM recovery?

Trouble getting TWRP installed

Have a SM-T813. Attempting to use Odin to flash TWRP. All goes well be it keeps rebooting back into the normal recovery. I've tried different methods....with and without auto-reboot. I've read where some devices will replace the updated recovery if the proper key sequence is not used but I think that may be part of the issue. When done flashing I hit the power button and vol down button but instead of powering down it seems to power back up/reboot precluding me from hitting the proper key sequence to enter recovery mode. Home + Vol UP + Power.
And btw I have Allow OEM Unlocking and Allow USB debugging set.
Am I missing a procedure?
BamaInArk said:
Have a SM-T813. Attempting to use Odin to flash TWRP. All goes well be it keeps rebooting back into the normal recovery. I've tried different methods....with and without auto-reboot. I've read where some devices will replace the updated recovery if the proper key sequence is not used but I think that may be part of the issue. When done flashing I hit the power button and vol down button but instead of powering down it seems to power back up/reboot precluding me from hitting the proper key sequence to enter recovery mode. Home + Vol UP + Power.
And btw I have Allow OEM Unlocking and Allow USB debugging set.
Am I missing a procedure?
Click to expand...
Click to collapse
I have a 713 and the procedure is kind of funky but is the same. See lines 5-7 below. You literally need to move one finger from volume down to volume up while the fingers on power and home stay put.
https://forum.xda-developers.com/tab-s2/development/twrp-3-0-2-1-galaxy-tab-s22016-sm-t713-t3390627
Flash with ODIN 3.10.7 in the AP slot.
Put your device in DOWNLOAD mode.
Uncheck Auto reboot.
Load the respective file below into the AP slot and hit start.
After flashing and ODIN reports PASS immediately reboot to recovery by holding POWER + HOME + VOL DOWN.
As soon as the screen goes blank change to VOL UP whilst still holding POWER + HOME.
You should now see TWRP recovery.
Yep finally figured out the one finger deal from vol down to vol up. Installed and working fine now.

Can't boot into recovery all of a sudden

I try power off phone and holding power and volume up at same time. Nothing happens. I have magisk and try rebooting to recovery using terminal but still just boots into regular. I used to have TWRP. How can I get recovery back?
Download TWRP and
Code:
fastboot boot
into it.
https://forum.xda-developers.com/xp...t/recovery-twrp-3-1-1-stock-security-t3706704
You don't want volume up - that's a force-reboot of the phone.
You need to hold volume *down* and power.

Bootloop, help!

After flashing AEX ROM phone hangs on boot screen. I can't force it to shut down, I have to wait until battery drains. Then I connect the charger, phone immediately boots up, here we go again...
I can't use newflasher.
Brick?
Use Sony Emma.
My phone is also bootlooped after i failed to flash the software.
I don't remember but maybe hold volume up and power button and the phone vibrates 3 or 4 times and after turning off.
Brick is not likely. Plug the phone into a PC, hold power button and up volume until it vibrates then hold the volume up until the blue led shows, meaning you entered fastboot mode. Then open a terminal for adb, wipe with fastboot commands and flash another rom of your choice.
I can flash zip using fastboot??
Code:
fastboot flash system rom.zip
Somehow key combo worked and I got into twrp and flashed rom

TWRP not sticking.

Hi.
I am running stock 5.1. Phone is unlocked according to recovery - it states "unocked status 3". When I try to flash TWRP it does not stick. When I press volume down to choose reboot recovery it just turns off. When I try volume down and power to boot it comes back with an android on it's back saying no command.
Any ideas how I can fix this?
I sorted it.
I was pressing the power button instead of volume up when trying to choose boot recovery after twrp flash.

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