Boot into TWRP without flashing? - Samsung Galaxy S10 Questions & Answers

Is it possible to boot into custom recovery without actually flashing it? Used to do it on other devices but it was a long time ago? I need to edit build.prop to enable multi user but don't want to do any other changes to my phone. Like unlocking bootloader etc. Many thanks.
Sent from my SM-G973F using Tapatalk

If I remember correctly, twrp image must be in ADB folder and then:
fastboot boot recovery [name_of_twrp].img
or
fastboot boot [name_of_twrp].img
Tell me please back which one was right

Doesn't seem to work for me, stuck on waiting on device and nothing happens. Do you need unlocked bootloader to do this?
Sent from my SM-G973F using Tapatalk

lepszy said:
Doesn't seem to work for me, stuck on waiting on device and nothing happens. Do you need unlocked bootloader to do this?
Click to expand...
Click to collapse
omg, yes

rmn.br said:
omg, yes
Click to expand...
Click to collapse
Lol, ok cheers.
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Related

Boot CWR

Hi all. We got root but now the second problem is how to change boot loader?
until everything comes out like this any thought?
http://db.tt/Q1NRxHTY
Is this screen from boot to custom recovery?
atipon said:
Is this screen from boot to custom recovery?
Click to expand...
Click to collapse
Yep ))) take here: CWM Touch for our device
http://jenkins.cyanogenmod.com/job/recovery/2934/ treated with flashing kdz.
how to flash it, via fastboot?
I see only errors why do you want yo flash it???
Sent from my LG-P880 using xda app-developers app
reas0n said:
how to flash it, via fastboot?
Click to expand...
Click to collapse
yes fastboot sdk
B0PoH said:
yes fastboot sdk
Click to expand...
Click to collapse
have you made any progression with this? i thought there is no fastboot mode for us currently?

Nexus 6 stuck on bootup

My nexus 6 is soft bricked I'm assuming, I can't get past the 6.0.1 boot up screen it just keeps on booting . The device is unlocked with TWRP recovery but not rooted as far as I know it's not rooted. The only way I can check MTP is through twrp but it's showing an exclmation point in device mgr. I'm in wugs toolkit now under Advanced Utilities, before I got the boot logo it had the you're device is corrupt. I fixed the corrupt message by putting my device in boot loader mode and in Advanced Utilities under fastboot flash then I clicked Boot [Kernel] I flashed the stock kernel and that got rid of the corrupt device warning screen. I'm gonna try flashing a modified boot img next but I'm having trouble. I just need someone to stick with me for awhile and help me fix this thing because I gotta return it and I don't have long.
Sent from my HTC6600LVW using Tapatalk
Ok now I have the corrupt device message back again.
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mwebb34 said:
My nexus 6 is soft bricked I'm assuming, I can't get past the 6.0.1 boot up screen it just keeps on booting . The device is unlocked with TWRP recovery but not rooted as far as I know it's not rooted. The only way I can check MTP is through twrp but it's showing an exclmation point in device mgr. I'm in wugs toolkit now under Advanced Utilities, before I got the boot logo it had the you're device is corrupt. I fixed the corrupt message by putting my device in boot loader mode and in Advanced Utilities under fastboot flash then I clicked Boot [Kernel] I flashed the stock kernel and that got rid of the corrupt device warning screen. I'm gonna try flashing a modified boot img next but I'm having trouble. I just need someone to stick with me for awhile and help me fix this thing because I gotta return it and I don't have long.
Sent from my HTC6600LVW using Tapatalk
Click to expand...
Click to collapse
If TWRP is installed there's no problem. Just a matter of the pc let recognize the device. Quit the toolkits though!
Do you have google drivers installed? Once they are installed your device should be recognized and you can copy any of the fine roms that can be found here.
Droidphilev said:
If TWRP is installed there's no problem. Just a matter of the pc let recognize the device. Quit the toolkits though!
Do you have google drivers installed? Once they are installed your device should be recognized and you can copy any of the fine roms that can be found here.
Click to expand...
Click to collapse
I need a lot of help installing the drivers.
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Like I said I now have the corrupt device message back instead of the 6.0.1 boot logo. I tried flashing the stock img file and the stupid corrupt screen came back. Ok I'm just craps out luck I guess,
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Ok I have what says is the latest Google usb drivers which was Aug 2015 downloaded. On my device I'm using I'm gonna transfers the drivers to my pc now, and attempt to install them. I hope this works and fixes my device. I sat in front of my pc yesterday for 7 hrs trying to fix this stupid phone.
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the corrupt device message is only there because you have twrp and a stock kernel. flash a custom kernel.
It's fixed, everything is running as it should no boot loops or corrupt screen, now I gotta check to see if recovery is gone. I used wugs to flash stock 6.0.1
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I used to have the corrupt message also, but it would go away and boot just fine. Started when I had TWRP. As someone mentioned, if this is a really annoyance, just flash a custom kernel . Though mine went away when I rooted with SuperSU (which patches the kernel I think)
Tower1972 said:
I used to have the corrupt message also, but it would go away and boot just fine. Started when I had TWRP. As someone mentioned, if this is a really annoyance, just flash a custom kernel . Though mine went away when I rooted with SuperSU (which patches the kernel I think)
Click to expand...
Click to collapse
I used wugs toolkit to flash back to complete stock it worked my device is running as normal, but when I power of the device and power it back on the corrupt message then disappears and boots right up. When I boot into boot loader mode and boot recovery it shows the green android robot laying down. After I flashed back to stock 6.0.1 it got rid of twrp and root but I'm still unlocked . The unlocked part I'm not worried about. In order to fix this do I have to 're root and flash twrp all over again or is there an easier way. I need step by step, on how to get rid of the corrupt message. Example, like when someone says flash img to me that's about as clear as mud.....
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mwebb34 said:
I used wugs toolkit to flash back to complete stock it worked my device is running as normal, but when I power of the device and power it back on the corrupt message then disappears and boots right up. When I boot into boot loader mode and boot recovery it shows the green android robot laying down. After I flashed back to stock 6.0.1 it got rid of twrp and root but I'm still unlocked . The unlocked part I'm not worried about. In order to fix this do I have to 're root and flash twrp all over again or is there an easier way. I need step by step, on how to get rid of the corrupt message. Example, like when someone says flash img to me that's about as clear as mud.....
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Click to expand...
Click to collapse
flash twrp then when you root, flash a custom kernel as well, that will get rid of the message.
Anybody here?
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mwebb34 said:
Anybody here?
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me. well not here, but in nyc. here in spirit though
simms22 said:
me. well not here, but in nyc. here in spirit though
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Click to collapse
I'm trying to get my brain working,lol my device is stock unrooted without twrp but the corrupt message still shows up I gotta get this fixxed. It's hard for me to understand what all I need to do. All I need is the corrupt message to go away and I'll be good. At start up it shows the corrupt message, but a few seconds later it goes away and it boots up normally.
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mwebb34 said:
I'm trying to get my brain working,lol my device is stock unrooted without twrp but the corrupt message still shows up I gotta get this fixxed. It's hard for me to understand what all I need to do. All I need is the corrupt message to go away and I'll be good. At start up it shows the corrupt message, but a few seconds later it goes away and it boots up normally.
Sent from my HTC6600LVW using Tapatalk
Click to expand...
Click to collapse
i believe that your bootloader is unlocked, thats why its showing up on a non rooted n6. you can lock your bootloader(i wouldnt, you can have problems later) or you can flash twrp recovery, then a custom kernel, and you dont need to root it for that.
simms22 said:
i believe that your bootloader is unlocked, thats why its showing up on a non rooted n6. you can lock your bootloader(i wouldnt, you can have problems later) or you can flash twrp recovery, then a custom kernel, and you dont need to root it for that.
Click to expand...
Click to collapse
If I flash the kernel with twrp it's gotta be a zip? Is there anyway that you can link me to stock 6.0.1 kernel
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mwebb34 said:
If I flash the kernel with twrp it's gotta be a zip? Is there anyway that you can link me to stock 6.0.1 kernel
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Click to collapse
a stock twrp flashable, then theres no zip version of it available. BUT twrp can also flash .img kernels as well. if you have the factory image available, you can unzip it and just flash the boot.img in twrp(or fastboot). but why the stock kernel?? if you just want stock, id recommend just fastboot flashing the boot.img from the factory image. boot.img is the kernel.
simms22 said:
a stock twrp flashable, then theres no zip version of it available. BUT twrp can also flash .img kernels as well. if you have the factory image available, you can unzip it and just flash the boot.img in twrp(or fastboot). but why the stock kernel?? if you just want stock, id recommend just fastboot flashing the boot.img from the factory image. boot.img is the kernel.
Click to expand...
Click to collapse
I'm gonna try to find it. My device wouldn't boot at all if I didn't have a kernel would it?
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mwebb34 said:
I'm gonna try to find it. My device wouldn't boot at all if I didn't have a kernel would it?
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Click to collapse
nope. the kernel is what connects the operating system(software) to the hardware and also serves as the devices main "brain"
---------- Post added at 05:10 PM ---------- Previous post was at 05:08 PM ----------
mwebb34 said:
I'm gonna try to find it. My device wouldn't boot at all if I didn't have a kernel would it?
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Click to collapse
just download the factory image, then grab the boot.img out of it. link to the 6.0.1 factory image https://dl.google.com/dl/android/aosp/shamu-mmb29k-factory-9a76896b.tgz
simms22 said:
nope. the kernel is what connects the operating system(software) to the hardware and also serves as the devices main "brain"
Click to expand...
Click to collapse
Ok, with no twrp recover when I boot into boot loader mode and then boot into recovery mode what should I see come up on the screen?
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Bricked OP3?

Hi
I was going back to unrooted stock. I had rooted, unlocked stock 3.2.2 with twrp recovery. I followed a guide to get it back to stock. This is what I did: Loaded into fastboot to find the device, sure it was there. Flashed stock recovery, went ok. Locked the bootloader, ok. But when I am going into sideload to flash the stock rom, adb says "device not found"! It's found in fastboot, so what wrong?
Thx in advance
the easiest way is to download the official rom from oneplus downloads section (not the signed ones from forums) and flash it through twrp. it will reinstall stock and revert recovery back to stock. after that you can use fastboot oem lock to lock the bootloader.
bonham1988 said:
the easiest way is to download the official rom from oneplus downloads section (not the signed ones from forums) and flash it through twrp. it will reinstall stock and revert recovery back to stock. after that you can use fastboot oem lock to lock the bootloader.
Click to expand...
Click to collapse
Ok thx
Then I have to flash twrp again. I'm not getting into the phone, it's not starting up. Right now I'm not having any rom on my device so I can't get the rom to my device.
I should have done as you said in the first place.
Lasse58 said:
Ok thx
Then I have to flash twrp again. I'm not getting into the phone, it's not starting up. Right now I'm not having any rom on my device so I can't get the rom to my device.
Click to expand...
Click to collapse
After you reflash twrp (boot into twrp after reflashing) just connect your phone to your pc. It opens up in mtp mode so you can copy the rom to phone after that.
Sent from my OnePlus3 using XDA Labs
bonham1988 said:
After you reflash twrp (boot into twrp after reflashing) just connect your phone to your pc. It opens up in mtp mode so you can copy the rom to phone after that.
Sent from my OnePlus3 using XDA Labs
Click to expand...
Click to collapse
Thx, I'll try that!
bonham1988 said:
After you reflash twrp (boot into twrp after reflashing) just connect your phone to your pc. It opens up in mtp mode so you can copy the rom to phone after that.
Sent from my OnePlus3 using XDA Labs
Click to expand...
Click to collapse
It takes som time to download the rom. The bootloader is now locked so I guess I'll have to unlock it before I can flash trwp, right?
Lasse58 said:
It takes som time to download the rom. The bootloader is now locked so I guess I'll have to unlock it before I can flash trwp, right?
Click to expand...
Click to collapse
Yes unlock bootloader first
Sent from my OnePlus3 using XDA Labs
bonham1988 said:
Yes unlock bootloader first
Sent from my OnePlus3 using XDA Labs
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Click to collapse
Everything worked except when I now start up it says "To start Android, enter your password". I have never put up a password. How to solve that?
Shall I unlock it again?
Lasse58 said:
Everything worked except when I now start up it says "To start Android, enter your password". I have never put up a password. How to solve that?
Shall I unlock it again?
Click to expand...
Click to collapse
PM me my friend.
Lasse58 said:
Everything worked except when I now start up it says "To start Android, enter your password". I have never put up a password. How to solve that?
Shall I unlock it again?
Click to expand...
Click to collapse
i am in a quiet similar situation( i reflash the recovery because i wasn't able to restore a nandroid, but doesn't work), whit the request of a password when i start the phone. How do you solve it, please?
Edit: It's better go to sleep for me... However for who need a answer, the password is the one that unlock the screen
Hello, i have this problem on my first flash with security On.
http://www.androidexplained.com/oneplus-3-fix-twrp-restore-unlock-bug/
Sent from my ONEPLUS A3003 using XDA-Developers mobile app

Huawei P8 Lite 2017 [PRA-LX1] - ADB & Fastboot Error (Command not allowed)

Hello everyone!
A month ago I rooted my device (Huawei P8 Lite 2017 [PRA-LX1]) using the XDA tutorial here. Now I am trying to recover my device using this XDA tutorial here.
My device is fully working but I have a few problems and bugs now and then so I want to fully recover it. My bootloader is unlocked and USB Debugging is on but every time I try to recover my phone or flash anything, I am getting the same error over and over and over again: FAILED (remote: Command not allowed).
Any ideas on how to fix that and recover my device?
is the frp locked?
Sent from my PRA-LA1 using Tapatalk
hamzio7 said:
is the frp locked?
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Click to expand...
Click to collapse
Yes it is and I tried to unlock it using the Fastboot and ADB but I am getting the same error.
meymigrou said:
Yes it is and I tried to unlock it using the Fastboot and ADB but I am getting the same error.
Click to expand...
Click to collapse
do you have stock recovery or TWRP?
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hamzio7 said:
do you have stock recovery or TWRP?
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Click to collapse
I don't have the stock recovery and I don't know where to find it and download it. But I have all the TWRP files on my PC.
meymigrou said:
I don't have the stock recovery and I don't know where to find it and download it. But I have all the TWRP files on my PC.
Click to expand...
Click to collapse
first of all...take a backup using twrp...and then...you must flash the stock recovery...if you have root...you can use flashify...and then you must do a factory reset using the stock recovery...
after all the steps above...
you must relock your bootloader using thia command:
fastboot oem relock xxxxxxxxxxxxxx
xxxx.... are your bootloader unlock code...
after locking the bootloader you can re enable your oem unlocking in developing options
Sent from my PRA-LA1 using Tapatalk
---------- Post added at 06:11 PM ---------- Previous post was at 06:05 PM ----------
hamzio7 said:
first of all...take a backup using twrp...and then...you must flash the stock recovery...if you have root...you can use flashify...and then you must do a factory reset using the stock recovery...
after all the steps above...
you must relock your bootloader using thia command:
fastboot oem relock xxxxxxxxxxxxxx
xxxx.... are your bootloader unlock code...
after locking the bootloader you can re enable your oem unlocking in developing options
Sent from my PRA-LA1 using Tapatalk
Click to expand...
Click to collapse
reasons why you need the stock recovery:
after relocking the bootloader your phone asks to delete everything and encrypt the phone again.
without stock recovery you can't
why you need to do a factory reset using the stock recovery first?
your phone will detect your phone as rooted and will give you this error when you try to relock the bootloader
root risk or something...i don't remember it
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hamzio7 said:
first of all...take a backup using twrp...and then...you must flash the stock recovery...if you have root...you can use flashify...and then you must do a factory reset using the stock recovery...
after all the steps above...
you must relock your bootloader using thia command:
fastboot oem relock xxxxxxxxxxxxxx
xxxx.... are your bootloader unlock code...
after locking the bootloader you can re enable your oem unlocking in developing options
Sent from my PRA-LA1 using Tapatalk
Click to expand...
Click to collapse
First things first, thank you so much for taking the time to help me with a solution. Here's the problem: I can't do anything with TWRP because it's stuck at booting.
use flashify to flash twrp on your phone...or you can use dd commands via terminal and super su
meymigrou said:
First things first, thank you so much for taking the time to help me with a solution. Here's the problem: I can't do anything with TWRP because it's stuck at booting.
Click to expand...
Click to collapse
Sent from my PRA-LA1 using Tapatalk
hamzio7 said:
use flashify to flash twrp on your phone...or you can use dd commands via terminal and super su
Click to expand...
Click to collapse
I can't use Flashify because my device isn't rooted. I want to root it but I don't know how because TWRP doesn't work. Is there any other way I could root my device?
meymigrou said:
I can't use Flashify because my device isn't rooted. I want to root it but I don't know how because TWRP doesn't work. Is there any other way I could root my device?
Click to expand...
Click to collapse
have you rooted your device before?
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hamzio7 said:
have you rooted your device before?
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Click to expand...
Click to collapse
Yes I did! I rooted it using TWRP and Super Su (both downloaded from XDA).
meymigrou said:
Yes I did! I rooted it using TWRP and Super Su (both downloaded from XDA).
Click to expand...
Click to collapse
su it's rooted...you just have to install the super su apk...
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hamzio7 said:
su it's rooted...you just have to install the super su apk...
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Click to expand...
Click to collapse
I just installed SuperSu from Play Store and it says that 'Root Undetected'.
meymigrou said:
I just installed SuperSu from Play Store and it says that 'Root Undetected'.
Click to expand...
Click to collapse
use the one that you downloaded from xda
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hamzio7 said:
use the one that you downloaded from xda
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Click to expand...
Click to collapse
Same again, I downloaded the same SuperSu apk from XDA and it says that root undetected.
that's bad...i don't know what to do...can you try terminal emulator...type su and press enter key...if there wasn't any errors then you can use terminal to flash files
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hamzio7 said:
that's bad...i don't know what to do...can you try terminal emulator...type su and press enter key...if there wasn't any errors then you can use terminal to flash files
Sent from my PRA-LA1 using Tapatalk
Click to expand...
Click to collapse
I did and it says "not found". That's really weird, how can I fix a device that doesn't let you flash anything and it's firmware doesn't even work? When I try to open TWRP it stuck at boot and doesn't do anything. I can't even reset my device because it stays at boot.
meymigrou said:
I did and it says "not found". That's really weird, how can I fix a device that doesn't let you flash anything and it's firmware doesn't even work? When I try to open TWRP it stuck at boot and doesn't do anything. I can't even reset my device because it stays at boot.
Click to expand...
Click to collapse
use adb command to boot into recovery and see if the device boots to TWRP...
adb reboot recovery
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hamzio7 said:
use adb command to boot into recovery and see if the device boots to TWRP...
adb reboot recovery
Sent from my PRA-LA1 using Tapatalk
Click to expand...
Click to collapse
I just did it and it stuck at boot again.
meymigrou said:
I just did it and it stuck at boot again.
Click to expand...
Click to collapse
the only thing that you can do to flash files at the moment is with DC Phoenix box ... it's a paid app...15 euro for 72 hours of using...i used it to fix mine
Sent from my PRA-LA1 using Tapatalk

Bricked phone (command no allowed + no recovery1 + getting package info failed)

Hello, yesterday, i tried to root again my phone (i successfully did it one time).
I used this TWRP : prague311.img from https://forum.xda-developers.com/p8...-to-root-huawei-p8-lite-2017-android-t3582179
After TWRP and rooting, the system was buggy and without Gapps weirdly but OpenGapps was not installing.
So i tried to use a TWRP backup from the same thread and then hard brick.
I'm actually stuck with that :
- All fastboot command aren't allowed (bootloader was unlocked - i also don't have my unlock code anymore)
- The eRecovery can't download update package
- I tried using UPDATE.app but each time i tried, it failed (bad package or "can't install")
- I can't factory reset the phone (i think it's what i need to do) because the stock recovery isn't working
Thanks in advance :'(
Do you still have the TWRP recovery?
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hamzio7 said:
Do you still have the TWRP recovery?
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Click to expand...
Click to collapse
Unfortunately, there is not recovery except non-working eRecovery
KMXSLR said:
Unfortunately, there is not recovery except non-working eRecovery
Click to expand...
Click to collapse
What happened to the TWRP recovery?
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hamzio7 said:
What happened to the TWRP recovery?
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Click to expand...
Click to collapse
I restored the backup from rescue box, but i don't know why it didn't worked and everything stopped working (no system boot, no recovery)
KMXSLR said:
I restored the backup from rescue box, but i don't know why it didn't worked and everything stopped working (no system boot, no recovery)
Click to expand...
Click to collapse
In that case the only thing that you can do is using DC Phoenix to flash the stock ROM...i had the same problem. And i fixed my device with DC Phoenix
Sent from my PRA-LA1 using Tapatalk
hamzio7 said:
In that case the only thing that you can do is using DC Phoenix to flash the stock ROM...i had the same problem. And i fixed my device with DC Phoenix
Sent from my PRA-LA1 using Tapatalk
Click to expand...
Click to collapse
How did you do? Did you bought account?
KMXSLR said:
How did you do? Did you bought account?
Click to expand...
Click to collapse
Yeah I paid 15 Euros
Sent from my PRA-LA1 using Tapatalk
Oh **** I have only 8€ on my PayPal.
Thanks for the help
KMXSLR said:
Oh **** I have only 8€ on my PayPal.
Thanks for the help
Click to expand...
Click to collapse
You have to unlock your phone again with the huawei unlockcode. Then you can flash twrp again and restore the last rom of my root thread in twrp.
ChinHon said:
You have to unlock your phone again with the huawei unlockcode. Then you can flash twrp again and restore the last rom of my root thread in twrp.
Click to expand...
Click to collapse
I thinked about that too, but i dont have the Product ID.
Also it shows that bootloader is well unlocked.
Is there a method to get product id?
KMXSLR said:
I thinked about that too, but i dont have the Product ID.
Also it shows that bootloader is well unlocked.
Is there a method to get product id?
Click to expand...
Click to collapse
Search in the web for huawei product gererator.
ChinHon said:
Search in the web for huawei product gererator.
Click to expand...
Click to collapse
Wow! You literally saved my life!
After searching again and again, i finally found this post that save me : https://forum.xda-developers.com/showpost.php?p=73755966&postcount=3.
Now i got TWRP back, i'll try to restore the su_root backup

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