I was running 5.1 Stock Lollipop, TWRP, Rooted.
I uninstalled an app named BetterBatteryStats and my phone randomly shut down and after that the phone booted but nothing got displayed somehow i managed to reach the recovery using ADB. I wiped my phone. Tried to install a ROM but it wouldn't install don't know why. So, I restarted my phone without any OS. Now my phone only shows WARNING BOOTLOADER UNLOCKED. It wouldn't even get detected on the computer. Can't reach the recovery or Fastboot mode. What should I Do ? Please Help ASAP.
Hi everybody,
I'm struggling with this P9 plus of a friend of mine.
He gave me the phone already OEM unlocked, rooted and with a working TWRP Installed.
I downloaded and updated to lastest stock-firmware (Android M 6.0) and lost (as expected) root and TWRP.
Now I'm trying to install back TWRP on the device, but without success. Flashing the recovery through fastboot works itself, but when I reboot (into recovery with power+vol up)
I always crash into the Huawei eRecoveri, with the Emui Logo.
I've repeated the process I don't know how many times, but I can't fix it. I've been googling around for answers, but without luck. Furthermore, I've read that the only "safe way" to get into TWRP is to use apps that need root, but I need TWRP to get root back.
Please help, 'cause I don't know what to do...
Same here, stuck with nougat, no erecovery (Getting package info failed).
Can't start in bootloader using v- power. Google is not my friend anymore etc....
Bootloader unlocked.
Edit: solved. Using srk tool to unlock bootloader using power +vol — at same time. The tool forced to enter bootloader. I saw that Windows 10 detect the phone even in stuck mode and srk tool could pass command lines when phone rebooted . Now i debrand and can flash another twrp to downgrade.
Help Please.......
So I've owned sammy devices before in the past and never been afraid to flash custom kernels/roms etc on them. Since the p9 was the first Huawei device I've owned i was a little scared to flash it. But it got too much for me and i tried, and fail Now i have a P9 that doesn't work and a very upset wife because I've killed my phone.
So what i did was tried to flash via dload 3 button method a nougat fw (official)but had no camera/file manager/calendar etc. Found it was possible to downgrade via flashing a downgrade fw. I cant remember what nougat fw i tried to flash but in the about device the build number was nrd10testkeys or something like that. My official fw before was EVA-L09C706B145. After flashing the downgrade fw my phone rebooted and just hung at the Huawei boot splash screen. All i can do now is access fastboot by holding vol - while plugging in usb. I cant access recovery/cant boot past Huawei splash screen. I have tried fastboot flashing via adb but it fails due to permission error (thinking because of locked bootloader?) Have tried using Huawei updater with hisuite to recover device, download, unpacks and installs recovery to 99%then fails. Pleaee help me fix my phone so i can get back into the goodbooks with the wife.......
Tia all
Try following post #4 instructions from here: https://forum.xda-developers.com/p9/help/failed-downgrade-nougat-to-mm-bricked-t3464156
I was rooting my phone by the method explain in this video "https://youtu.be/X3c5TYh4AMU][/url"
Using minimal ADB fastboot tool I unlock the bootloader, install TWRP and factory reset the phone in TWRP recovery mod. Till then everthing was fine, but when i tried to transfer Supersu Zip from PC to the Phone, the phone didn't get recognized by the PC, no matter what so ever I tried.
So I reboot the phone without installing Supersu (my mistake) and it get stuck on bootscreen. I tried rebooting my phone several time but every time same situation. I also factory reset the phone in TWRP recovery but it didn't help either.
What should I do now... Please Help... Hope I didn't Bricked my phone.
Thankyou
Hello everyone, it's my first time writing here, but I’ve tried everything, searched everywhere, and am desperate for help.
I screwed up big time while trying to flash a custom rom on my nem-l21, as I successfully did before with my xiaomi... So what I did:
I managed to unlock bootloader with dc unlocker. Then I got stucked flashing twrp with adb tools. Everything was looking to be fine, no error messages, “flashing successful”… But, I was never able to boot into flashed twrp. Always got stuck on “your phone has been unlocked blah blah. Your device is booting.” It never booted, not in twrp, nor in stock recovery. I tried different versions of twrp from different sources, always same result (flashing successful, booting into recovery not). Booting into the system was fine. And then I made that horrible mistake. Oh, how I wish I didn’t!!
I read on some website, that you are supposed to flash the twrp as boot.img, not as recovery.img. Seemed illogical and stupid to me, but in the end I tried it. Of course, this just bricked my phone, with no possibility to boot. After hours of googling, installing, trying and crying, I managed in the end to flash back stock boot.img. But at that time, I didn’t know my build number (b359), and I flashed boot.img b351. So now I have a phone which boots into the system b359 with boot.img b351, but with lot of errors.
- developer options, security options, display and factory reset option doesn’t work and just crashes. Therefore I am not able to flash the correct boot.img b359 or anything else at all from pc, no way to enable usb debugging and oem unlocking. Adb devices → nothing. I am able to use fastboot (fastboot devices sees the phone), but when try to flash something, I get error “command not allowed”. Also I can’t enable unknown sources installation, which bothers me a lot. And I can’t make factory reset to restore the crashing settings. Also I can’t change display timeout, and original 30 secs is super annoying.
- I am not able to uninstall even apps installed by me, always just restarts system UI and app stays.
What I tried so far:
- flashing correct boot.img from pc, not working because of dev options crashing
- go into recovery, but stock one is overwritten with unfunctioning twrp, always just get stuck on “your phone was unlocked blah blah… your device is booting now”, but it never does, have to hard reboot
- go into huawei erecovery, which is working, but when I try to resolve problem from there, always ends up with errors and crashes
- connect to pc and use HiSuite, system recovery tool here always says “no problem detected”
- updating to b361 through system update settings, always crashes on 5% and sends phone into “your phone was unlocked blah blah… your device is booting now” error
- downloading the proper b359 as and update.app file, put it in dload internal storage → same error during update, put it in dload sdcard → same error, no matter which way I use to start the update
- boot into twrp or stock recovery.img through fastboot without actually flashing it, anyway error “command not allowed”
- do factory reset or update through dial codes (i.e. *#*#123456#*#* …), nothing worked
My pc is windows 10, all drivers up to date. Using powershell as an admin. Am an idiot for not making backup of the phone before I started...
So, now I have more or less functioning phone, but I can’t uninstall any apps at all, can’t install from unknown sources, can’t do nothing from pc, can’t make any update, and lot of important settings keep crashing.
I can use the phone like this, but if somebody could think about some solution for this ****ed up situation I got myself into, I would be grateful to him/her for the rest of my life.
Sorry for a long post.
Thank you in advance and have a nice day
I think using Hisuit will help. Enter Fastboot and connect ur phone to ur computer and use system recovery toll