Related
Moved this question from here: http://forum.xda-developers.com/showthread.php?p=51198721
I'm currently stock, rooted, S-OFF, and TWRP recovery. I'm flashed to 3.06.651.6 firmware.
I still get the OTA notifications, and my goal is to install the latest OTA update (without RUU) so that I can preserve data. I've created a TWRP backup, but that's the extent of it.
Any help is appreciated.
Other background - I reverted back to 3.06.651.6 after flashing firmware 4.06.xxx because I could not boot normally after that or did not know how.
My bootloader says Tampered, relocked
vflock said:
Moved this question from here: http://forum.xda-developers.com/showthread.php?p=51198721
I'm currently stock, rooted, S-OFF, and TWRP recovery. I'm flashed to 3.06.651.6 firmware.
I still get the OTA notifications, and my goal is to install the latest OTA update (without RUU) so that I can preserve data. I've created a TWRP backup, but that's the extent of it.
Any help is appreciated.
Other background - I reverted back to 3.06.651.6 after flashing firmware 4.06.xxx because I could not boot normally after that or did not know how.
My bootloader says Tampered, relocked
Click to expand...
Click to collapse
Ok
I have never done an OTA or Ran an RUU personally.
To the best of my knowledge you will have to flash the stock recovery and a stock rom to be able to take the OTA.
Sidenote: You say you are re-locked...when you unlock again it's going to wipe your device.
Backup everything important to your PC then run the RUU stuff is gonna get wiped either way might as well use the RUU as it's a cleaner method.
You'll have to flash the 4.06 firmware I pointed you to from the other thread to get the required hboot.
BD619 said:
Ok
I have never done an OTA or Ran an RUU personally.
To the best of my knowledge you will have to flash the stock recovery and a stock rom to be able to take the OTA.
Sidenote: You say you are re-locked...when you unlock again it's going to wipe your device.
Backup everything important to your PC then run the RUU stuff is gonna get wiped either way might as well use the RUU as it's a cleaner method.
You'll have to flash the 4.06 firmware I pointed you to from the other thread to get the required hboot.
Click to expand...
Click to collapse
Serious Q - Am I not On the stock ROM if I never switched ROMs?
But OK, s=you're saying if I were even able to get the stock revoery reloaded, and receive the OTA, but then if i try to unloack bootloader after that I won't be able to? Also serious Q - Do you have a link on performing a good nandroid backup?
Next - if I did run the RUU, how would i quickly restore my data - just using titanium backup? is that the quickest/only way?
vflock said:
Serious Q - Am I not On the stock ROM if I never switched ROMs?
But OK, s=you're saying if I were even able to get the stock revoery reloaded, and receive the OTA, but then if i try to unloack bootloader after that I won't be able to? Also serious Q - Do you have a link on performing a good nandroid backup?
Next - if I did run the RUU, how would i quickly restore my data - just using titanium backup? is that the quickest/only way?
Click to expand...
Click to collapse
If you never changed roms then yes you are on a stock rom.
To unlock the bootloader again you would use Htc Dev again(unless you still have your unlock token) and by doing so it will wipe your phone.
Only way to nandroid is to have a custom recovery which means unocking bootloader.
I personally don't use Titanium Backup so can't answer that...I backup my phone/sdcard to my PC at least once a month (copy and paste to a folder on my PC)
Hi everybody.
my HTC one has Viper 5.8 running with S-ON and i like it that way.
I never updated the Firmware since i moved from the 4.2.2 stock rom. (i have nandroid backup of the stock rom)
I am a bit scared doing S-OFF "just" to update firmware, hboot and radio, I know it should be easy to do, but i just don't want to.
So i thought that maybe i can flash back to the stock rom, then make the offical HTC update to 4.3 sense 6 (should also flash newest firmware right?) and then unlock the bootloader again, flash twrp and custom rom again.
Would that work? Is there something i have to pay attention to?
thx for any help!!!!
sancho777 said:
Hi everybody.
my HTC one has Viper 5.8 running with S-ON and i like it that way.
I never updated the Firmware since i moved from the 4.2.2 stock rom. (i have nandroid backup of the stock rom)
I am a bit scared doing S-OFF "just" to update firmware, hboot and radio, I know it should be easy to do, but i just don't want to.
So i thought that maybe i can flash back to the stock rom, then make the offical HTC update to 4.3 sense 6 (should also flash newest firmware right?) and then unlock the bootloader again, flash twrp and custom rom again.
Would that work? Is there something i have to pay attention to?
thx for any help!!!!
Click to expand...
Click to collapse
Since you don't want S-Off, that is your best option. I would follow closely @Mike1986 [GUIDE] Complete Flashing Guide | Rooting | Going Back To Stock it is for those who are S-On.
Thanks, I will follow the guide.
But I have one more question:
Can I do the official HTC update from the htc stock rom while I still have custom recovery and bootloader unlocked?
Can't find any any info if there is any risk involved not changing back first to stock recovery and bootloader relocked before doing the update.
I guess recovery will be overwritten by the official update?!?
You need stock recovery and locked bootloader to take updates
SaHiLzZ said:
You need stock recovery and locked bootloader to take updates
Click to expand...
Click to collapse
you don't need a locked bootloader to get an official ota update,however,you do need to flash a stock recovery !!.
I went through the ota update method to update my firmware as for some reason my htc one wouldn't s-off and I felt that it wasn't running as it should on custom roms with the old firmware.
I started off with a flashable zip -4.06.1540.2,developer edition then ota updates,always doing a nand backup of rom.
always pull the stock recovery image from the ota before updating...
i'm now running 5.11.1540.9 firmware and all custom roms are running good...
if you google 4.06.1540.2 dev edition flashable zip you should find it,if not,i can upload it too somewhere for you...
an official htc ota update changes your firmware and installs a stock recovery..
its a bit long winded this way,but,it was the only way for me !!
markb63 said:
I started off with a flashable zip -4.06.1540.2,developer edition then ota updates,always doing a nand backup of rom.
always pull the stock recovery image from the ota before updating...
Click to expand...
Click to collapse
First thank you for sharing your experience.
When you say "zip -4.06.1540.2,developer edition" then you mean the rom, correct?
Why would you pull the stock recovery from the OTA before updating? What would be the consequence of leaving it in?
...
so i would download the odexed stock rom from http://forum.xda-developers.com/showthread.php?p=48111304
and afterwards flash the according recovery.img, correct?
i guess it is no problem that my phone (and their for the bootloader) was not a developer edition
sancho777 said:
First thank you for sharing your experience.
When you say "zip -4.06.1540.2,developer edition" then you mean the rom, correct?
Why would you pull the stock recovery from the OTA before updating? What would be the consequence of leaving it in?
Click to expand...
Click to collapse
yeah,it's a full flashable rom,that can be installed by custom recovery,when I say pull the stock recovery,i mean copy it to a folder on your pc,always best to have the matching recovery for your stock rom.
I have a N6 rooted and I am waiting for the OTA rollout for 5.1 and I am wondering if i need to unroot before doing the 5.1 OTA?
zd913 said:
I have a N6 rooted and I am waiting for the OTA rollout for 5.1 and I am wondering if i need to unroot before doing the 5.1 OTA?
Click to expand...
Click to collapse
To take an OTA, you'll need a 100% stock system image and be on stock recovery.
To be sure the OTA updates your system, your best option would be to fastboot flash the stock system.img and recovery.img from the stock 5.0.1 factory images (assuming you are on 5.0.1 now).
You could, just as easy, stop waiting and download/flash the 5.1 factory images manually, not flashing the userdata.img to keep your data intact (must be bootloader unlocked of course), then re-root.
tcrews said:
To take an OTA, you'll need a 100% stock system image and be on stock recovery.
To be sure the OTA updates your system, your best option would be to fastboot flash the stock system.img and recovery.img from the stock 5.0.1 factory images (assuming you are on 5.0.1 now).
You could, just as easy, stop waiting and download/flash the 5.1 factory images manually, not flashing the userdata.img to keep your data intact (must be bootloader unlocked of course), then re-root.
Click to expand...
Click to collapse
Yes i am on 5.0.1. Do i need to unroot before i flash the 5.1 factory image?
zd913 said:
Yes i am on 5.0.1. Do i need to unroot before i flash the 5.1 factory image?
Click to expand...
Click to collapse
No, Flashing will overwrite the rooted system you have now. You will have to root after flashing 5.1.
I will ask question in this thread as I don't want start new one.
I'm in uk. I have n6, I didn't do anything on it, no root, no unlocked bootloader.
Can I take OTA 5.1 , without worrying that it will stay in boot loop or I'm pretty safe to do so?
Also how long I have to wait for OTA 5.1 , I can see plenty of you on this forum had it already, but I even if I check for system updates it keep telling me system is up to date.
It can take a few weeks. And everything should be fine if you wait and accept it normally
rootSU said:
It can take a few weeks. And everything should be fine if you wait and accept it normally
Click to expand...
Click to collapse
I hope you don't mind me asking a question here also? I hate to start another thread.
I'm on custom rom and kernel both still at 5.0.x. I've updated my bootloader and radio to 5.1. If I just wipe, flash the 5.1 rom, gapps and the 5.1 kernel, I don't have to flash the factory image's, they are baked into the rom and kernel already? Thanks in advance.
jackpollard said:
I hope you don't mind me asking a question here also? I hate to start another thread.
I'm on custom rom and kernel both still at 5.0.x. I've updated my bootloader and radio to 5.1. If I just wipe, flash the 5.1 rom, gapps and the 5.1 kernel, I don't have to flash the factory image's, they are baked into the rom and kernel already? Thanks in advance.
Click to expand...
Click to collapse
I'm sorry, I do not quite understand your question.
rootSU said:
I'm sorry, I do not quite understand your question.
Click to expand...
Click to collapse
Thanks for responding and sorry I was not clear. I'm currently on a custom Rom and kernel that are 5.0 based. I flashed the 5.1 radio and bootloader when they came out. I want to upgrade to the 5.1 versions of the custom Rom and kernel. Do I have to flash stock 5.1 then flash the custom stuff or can I just flash the 5.1 custom Rom and kernel and be at 5.1.
jackpollard said:
Thanks for responding and sorry I was not clear. I'm currently on a custom Rom and kernel that are 5.0 based. I flashed the 5.1 radio and bootloader when they came out. I want to upgrade to the 5.1 versions of the custom Rom and kernel. Do I have to flash stock 5.1 then flash the custom stuff or can I just flash the 5.1 custom Rom and kernel and be at 5.1.
Click to expand...
Click to collapse
You just flashing your custom 5.1 ROM. It wouldn't make much sense to flash one ROM (i.e., a stock 5.1 ROM) and kernel to then immediately overwrite it with another ROM (i.e., your custom 5.1 ROM) and kernel, now would it?
Q&A for [ROM] 5.0.2 Stock-ROM - LG D415 L90
Some developers prefer that questions remain separate from their main development thread to help keep things organized. Placing your question within this thread will increase its chances of being answered by a member of the community or by the developer.
Before posting, please use the forum search and read through the discussion thread for [ROM] 5.0.2 Stock-ROM - LG D415 L90. If you can't find an answer, post it here, being sure to give as much information as possible (firmware version, steps to reproduce, logcat if available) so that you can get help.
Thanks for understanding and for helping to keep XDA neat and tidy!
brossovitch said:
Xposed framework crashes the phone.. Testing will not commence..
I never needed it anyway..
Click to expand...
Click to collapse
This is kind of a deal breaker for me, that and the broken rar archive. BUT when it starts working I would like to use your ROM because I love stock roms with minor modifications and debloat. Did you use this xposed framework? http://forum.xda-developers.com/showthread.php?t=3034811
When I flashed the completely stock version, it broke, no data/wifi/bluetooth, and everything crashed. I think it was because I wiped first and since this is an OTA I shouldn't have done that, but now I am worried about trying again, since I just got my phone back up and running. I must say thanks for that, because flashing using TWRP and your ROM gave me TWRP back, so I was able to downgrade back to 410c stock from your ROM. I'll wait for the radio problem to be fixed before I try again.
Hi, I'm new here, but not to android.
imonlyhumanoid said:
This is kind of a deal breaker for me, that and the broken rar archive. BUT when it starts working I would like to use your ROM because I love stock roms with minor modifications and debloat. Did you use this xposed framework? http://forum.xda-developers.com/showthread.php?t=3034811
When I flashed the completely stock version, it broke, no data/wifi/bluetooth, and everything crashed. I think it was because I wiped first and since this is an OTA I shouldn't have done that, but now I am worried about trying again, since I just got my phone back up and running. I must say thanks for that, because flashing using TWRP and your ROM gave me TWRP back, so I was able to downgrade back to 410c stock from your ROM. I'll wait for the radio problem to be fixed before I try again.
Hi, I'm new here, but not to android.
Click to expand...
Click to collapse
You can flash safely with TWRP. Go ahead and upgrade to Stock Lollipop via KDZ then you can try flashing one of brossovitch's ROM. It worked for me. Just follow this http://forum.xda-developers.com/showthread.php?t=3088131 guide if you get broken IMEI or/and Baseband. It will help you get it back as well as get Lollipop on you phone.
Good luck!
So if I read that right, you have to flash the Stock 5.0.2 using TWRP, then flash the Stock 4.4.2 using the LG Flash Tool, then flash the Stock 5.0.2 using the LG Flash Tool, then root then unlock bootloader (is that necessary with the D415? I never did that before) and then use Rashr to flash TWRP and then flash brossovitch's LollipOptimus ROM, just to get the IMEI/Baseband to work? Seems like a lot of hurdles. Why not just flash the 5.0.2 KDZ and then root and flash TWRP possibly with or without bootloader unlocking and then flash the LollipOptimus ROM, or even just flashing it like an OTA from TWRP? Will the LG Official OTA break the IMEI/Baseband?
And has anyone tried the linked Xposed framework?
Thanks for your help!
imonlyhumanoid said:
So if I read that right, you have to flash the Stock 5.0.2 using TWRP, then flash the Stock 4.4.2 using the LG Flash Tool, then flash the Stock 5.0.2 using the LG Flash Tool, then root then unlock bootloader (is that necessary with the D415? I never did that before) and then use Rashr to flash TWRP and then flash brossovitch's LollipOptimus ROM, just to get the IMEI/Baseband to work? Seems like a lot of hurdles. Why not just flash the 5.0.2 KDZ and then root and flash TWRP possibly with or without bootloader unlocking and then flash the LollipOptimus ROM, or even just flashing it like an OTA from TWRP? Will the LG Official OTA break the IMEI/Baseband?
And has anyone tried the linked Xposed framework?
Thanks for your help!
Click to expand...
Click to collapse
No, that is if you had a failed flashed and did not have Stock Download mode which you lose if you unlock the boot loader (which is technically unlocked). Unlocking bootloader is optional, I should put that.
If you have unlocked boot loader then you need to either flash the lag.img or bross's stock ROM with laf.img in it.
imonlyhumanoid said:
So if I read that right, you have to flash the Stock 5.0.2 using TWRP, then flash the Stock 4.4.2 using the LG Flash Tool, then flash the Stock 5.0.2 using the LG Flash Tool, then root then unlock bootloader (is that necessary with the D415? I never did that before) and then use Rashr to flash TWRP and then flash brossovitch's LollipOptimus ROM, just to get the IMEI/Baseband to work? Seems like a lot of hurdles. Why not just flash the 5.0.2 KDZ and then root and flash TWRP possibly with or without bootloader unlocking and then flash the LollipOptimus ROM, or even just flashing it like an OTA from TWRP? Will the LG Official OTA break the IMEI/Baseband?
And has anyone tried the linked Xposed framework?
Thanks for your help!
Click to expand...
Click to collapse
I'm going to try xposed again.
I'm also going to upload the partitions needed to make the bseband work.. There's a way to be easily flash them to go to either.
Stock lollipop is just different. And the custom roms are based on KK. so we gotta be able to go back if we want..
We can.
With L90 utilities you can flash your laf partition or toggle it between fastboot mode & s/w Upgrade (firmware download) mode.
From there you can use adb to flash the proper partitions.
IE:"fastboot flash radio modem.bin"
Which would likely work..
brossovitch said:
With L90 utilities you can flash your laf partition or toggle it between fastboot mode & s/w Upgrade (firmware download) mode.
From there you can use adb to flash the proper partitions.
IE:"fastboot flash radio modem.bin"
Which would likely work..
Click to expand...
Click to collapse
Way cool! Where is this LG L90 tool?
SamsungIsBetterThanApple said:
Way cool! Where is this LG L90 tool?
Click to expand...
Click to collapse
You're on XDA dude.....
....learning to search for and find what you want is a priority..
All I'm going to say, is........ @shinobisoft
May the Droid be with you, young Padawan....:good:
brossovitch said:
You're on XDA dude.....
....learning to search for and find what you want is a priority..
All I'm going to say, is........ @shinobisoft
May the Droid be with you, young Padawan....:good:
Click to expand...
Click to collapse
Haha! Thanks, but just you wait. Soon the student will becoms the master.
SamsungIsBetterThanApple said:
Haha! Thanks, but just you wait. Soon the student will becoms the master.
Click to expand...
Click to collapse
I truly hope so.
When I was young, we had house phones with cords..
Pulse tone hacking is all we had back then.. LOL!
Just restored your latest nandroid and is WORKING GREAT SO FAR !!! Just one thing , how did you guys get rid of the annoying t-mobile voicemail notification ?
Am new to TWRP so excuse me for asking, but since I restored back to 4.4.2 my phone is better than it was before. I would like to upgrade, but I'd like to be able to revert back to 4.4.2 if I have a bad experience. I backed up my phone with TWRP, can I flash the kdz with the LG tool, and then root and get back to TWRP and flash the ROM to make the radio work, and then back up the 5.0.2 ROM and switch between the two?
imonlyhumanoid said:
Am new to TWRP so excuse me for asking, but since I restored back to 4.4.2 my phone is better than it was before. I would like to upgrade, but I'd like to be able to revert back to 4.4.2 if I have a bad experience. I backed up my phone with TWRP, can I flash the kdz with the LG tool, and then root and get back to TWRP and flash the ROM to make the radio work, and then back up the 5.0.2 ROM and switch between the two?
Click to expand...
Click to collapse
Follow this http://forum.xda-developers.com/showthread.php?t=3088131 guide If you have Downlode Mode, skip step 1 and since you are on KK, skip step 3.
Sent from my LollipOptimus™
Since I cannot reply directly to the main thread or the How to fix IMEI/Baseband Unknown Issue (D415) thread, I will ask here.
I am currently running the KitKat stock and rooted, with the original laf.img and TWRP recovery, de-odexed system, and several unwanted stock apps uninstalled.
From my arrangement, to upgrade, I can go to download mode using Vol + and Plug USB (because I haven't zero'd out my laf, right?), and use the 2014 LG tool to flash the Lollipop KDZ. This will cause the data/wifi/bluetooth signals to stop working, as well as losing root and TRWP (correct me if wrong). From there I would need to root and flash back TWRP and then from TWRP flash the LP-[5.0.2]_L90_D415[boot-system-laf-aboot-modem.zip] to get the signals back.
At this point, would I then be at stock rooted lollipop with TWRP and download mode and have a useable phone? If I do a CES flash as recommended, would I lose all of my currently installed apps and data? If so, I should disable xposed first, right?
imonlyhumanoid said:
Since I cannot reply directly to the main thread or the How to fix IMEI/Baseband Unknown Issue (D415) thread, I will ask here.
I am currently running the KitKat stock and rooted, with the original laf.img and TWRP recovery, de-odexed system, and several unwanted stock apps uninstalled.
From my arrangement, to upgrade, I can go to download mode using Vol + and Plug USB (because I haven't zero'd out my laf, right?), and use the 2014 LG tool to flash the Lollipop KDZ. This will cause the data/wifi/bluetooth signals to stop working, as well as losing root and TRWP (correct me if wrong). From there I would need to root and flash back TWRP and then from TWRP flash the LP-[5.0.2]_L90_D415[boot-system-laf-aboot-modem.zip] to get the signals back.
At this point, would I then be at stock rooted lollipop with TWRP and download mode and have a useable phone? If I do a CES flash as recommended, would I lose all of my currently installed apps and data? If so, I should disable xposed first, right?
Click to expand...
Click to collapse
You WILL lose all data but you need to use CES to fix, I believe, the partitions. You DO NOT have to flash the LP-[5.02]_L90_D415[boot-system-laf-aboot-modem.zip] if you go to KK then to L using Lg Flash tool. After succesful Lolli flash, then root, install twrp, and flash one of Bross's rom.
But if I want to go to stock 5.0, with twrp and download mode intact, what do I do? Flash using LG Flash Tool, root and flash twrp and I'm done? This won't cause radio problems?
imonlyhumanoid said:
But if I want to go to stock 5.0, with twrp and download mode intact, what do I do? Flash using LG Flash Tool, root and flash twrp and I'm done? This won't cause radio problems?
Click to expand...
Click to collapse
I promise, if you follow my guide, everything will be fixed. You only lose radio if you flash something wrong. For example, flashing one of bross's ROMs while on kk. That is a bad idea. After you flash to lolli with lg flash tool, you can root and flash twrp. You WILL NOT lose Download Mode unless you zero out the laf by following the Unlocking Boot loader guide.
---------- Post added at 06:24 PM ---------- Previous post was at 06:24 PM ----------
imonlyhumanoid said:
But if I want to go to stock 5.0, with twrp and download mode intact, what do I do? Flash using LG Flash Tool, root and flash twrp and I'm done? This won't cause radio problems?
Click to expand...
Click to collapse
And PLEASE do a CES flash
So I've reset my HTC One back to stock 2 days ago and since then have received a lot of OTA updates.
Then I found that I had lost root.
I managed to reinstall TWRP and root today, but got another OTA update notification.
Because I don't want to lose root (and because TWRP says you should not update with custom recoveries), I'm looking for another way to update.
TWRP suggests to "wait for the developers to create a new ROM" but honestly, finding something in this forum is not easy...
My update is 6.09.401, but if there is something more recent I'll take that (but still KitKat). I've looked in the ROM collection but the latest seems to be 5.x or jump to 7.xx.
If I have to do some work (e.g. more research) please direct me to the right direction and I'll be happy to do it.
Will RUUs work? Still not clear what they are.
algiogia said:
So I've reset my HTC One back to stock 2 days ago and since then have received a lot of OTA updates.
Then I found that I had lost root.
Click to expand...
Click to collapse
Yep, you'll always loose root after an OTA update. Must ppl doesn't matter about that since it only takes a few minutes to root again.
I managed to reinstall TWRP and root today, but got another OTA update notification.
Because I don't want to lose root (and because TWRP says you should not update with custom recoveries), I'm looking for another way to update.
Click to expand...
Click to collapse
The only way to use ota update is by flashing back the stock recovery that match your version-main. Like said above, you'll loose root after an update. You can also update your phone by flashing a RUU but you'll also loose root and all your file since the RUU will make your phone stock, like if it was brand new.
TWRP suggests to "wait for the developers to create a new ROM" but honestly, finding something in this forum is not easy...
Click to expand...
Click to collapse
My update is 6.09.401,?but if there is something more recent I'll take that (but still KitKat). I've looked in the ROM collection but the latest seems to be 5.x or jump to 7.xx.
Click to expand...
Click to collapse
The latest Kitkat version is 6.09.401.12 otherwise its lollipop 7.19.401.x
I think the simplest solution since you want to stay on kitkat is to reflash your stock recovery 6.09.401.? (you didn't typed the last number), install the ota updates until you are on 6.09.401.11 or 6.09.401.12, reflash twrp and flash Supersu to re-root.
If I have to do some work (e.g. more research) please direct me to the right direction and I'll be happy to do it.
Will RUUs work? Still not clear what they are.[/QUOTE]
RUU are packages that will restore then entire phone Software and firmware partitions.
Thanks alray.
So are you saying there is not pre-rooted 6.09.401.11 ROM available to flash on the forum?
Where shall I look for it?
algiogia said:
Thanks alray.
So are you saying there is not pre-rooted 6.09.401.11 ROM available to flash on the forum?
Where shall I look for it?
Click to expand...
Click to collapse
Maybe i don't know. All roms are posted in the development section. Why not simply updating your phone and flashing Supersu again? It will take you maybe 20 min to install the update, reflash twrp and root...
alray said:
Maybe i don't know. All roms are posted in the development section. Why not simply updating your phone and flashing Supersu again? It will take you maybe 20 min to install the update, reflash twrp and root...
Click to expand...
Click to collapse
I'll have to find and flash the stock ROM first, do the updates, then flash TWRP and SuperSu.
If there is a way to flash only once why should I waste time (and increase chances of bricking the phone)?
algiogia said:
I'll have to find and flash the stock ROM first, do the updates, then flash TWRP and SuperSu.
If there is a way to flash only once why should I waste time (and increase chances of bricking the phone)?
Click to expand...
Click to collapse
You already are on the stock rom, just flash the stock recovery over twrp, install ota update(s) until you are on the desired version, flash twrp and supersu. There isn't really any chances to brick....
Code:
fastboot flash recovery your_stock_recovery.img
fastboot erase cache
fastboot reboot
Then boot the phone, install update(s). Once updated to the desired version, reflash twrp:
Code:
fastboot flash recovery twrp.img
fastboot erase cache
fastboot reboot-bootloader
Boot in twrp, install supersu 2.46.zip then reboot in the OS and you're done.
But yes if you prefer you can find a stock rooted rom of 6.09.401.11 if there is still one somewhere.