P30 pro stuck in bootloop after firmware upgrade - Huawei P30 Pro Questions & Answers

Hi everyone,
My Huawei P30 pro has been stuck in bootloop since I made an upgrade (a normal upgrade, pushed on my phone). I am only able to access the recovery menu but safe boot doesn't work. I tried to make firmware ugrades through wifi / eRecovery and OTG but none of these worked (I'm not sure if I tried with the right firmware, my phone version is L29C). My first (really bad) instinct was to reset the phone from the recovery menu so USB debug is not allowed anymore which means I can't access the phone through ADB or HiSuite anymore. Do you have any idea on how to resolve this problem ? Thanks for your help !

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Softbrick P9 Plus

Hello folks,
so a friend of mine is a complete noob and have this problem with his p9 plus.
The phone keeps rebooting itself in an endless loop, i can't access recovery and only when plugged in to the PC i can access fast-boot.
Phone is locked, FRP Lock.
With getvar command i managed to get this info:
rescue_phoneinfo: VIE-L09C113B170
seems that there is no full zip of this rom anywhere just partial ota (found those with firmware finder) but even with that when i try to flash recovery i get command not allowed.
On the fastboot screen of the phone i have this reboot reason AP_S_PANIC
anyone knows a how to get the phone out of this? (i was thinking that maybe unlocking the bootloader could be of any use, but in the request page it's needed the Product_ID and i don't have it. (can't *#*#1357946#*#*)
I don't know if it does work in a locked bootloader.
I have my P9+ for a week and maybe if you download a firmware compatible with your version and try to 'hard' update the phone, using a SD card with a update file on a dload folder and restarting the phone pressing VolUp + VolDown +Pwr, you can restore your friend's phone.
I'm sorry if I didn't help, I am myself stucked trying to rollback my version to MM and have the NFC and the Bluetooth working again...
myself also got this problem..please anyone..

P9 completely dead, no usb, fastboot, system

Hello, i tried to install official rom via twrp and its end with error. I turned off my huawei (reset in twrp) and phone is dead. No reaction to charger, pc doesnt see phone, no boot. Any ideas what can i do? Please help
gabrylo97 said:
Hello, i tried to install official rom via twrp and its end with error. I turned off my huawei (reset in twrp) and phone is dead. No reaction to charger, pc doesnt see phone, no boot. Any ideas what can i do? Please help
Click to expand...
Click to collapse
It has been described and repeated elsewhere !(people don't read and try on their own, bricking the phones), stock ROMs must not be installed by TWRP (it was possible but only for the old FullOTA-MF-PV firmwares but newer Huawei firmwares are no more released as PV).
There are other methods applicable like HWOTA - that use TWRP but not just by flashing the update*** zip files through TWRP
Also, it must not be reset from TWRP, must be used Factory Reset from eRecovery or stock/EMUI Recovery
Even worse if you maybe did not use proper TWRP build - Huawei MM, N, O firmwares have different organization of partitions and apply different encryption, using the wrong TWRP will also brick the phone
You should probably try to un-brick with DC Phoenix, with 15 Euros credit
https://www.dc-unlocker.com/DC-Phoenix-flash-repair-tutorial
i tried test point and pc recognizes device as "usb ser" in device manager

Please help .. black screen

Hi, i managed to downgrade my p20 pro from Emui 10 to 9.1 and i tried to downgrade it even further to 8.1 using Hisuite software, i used hisuite proxy and firmware finder to get the firmware needed, after installing it a message popped up in my phone showing an error in the installation and that i should boot in Erecovery (seems a bad firmware) when i clicked the phone went black, i can't boot in any of the fastboot nor recovery.. i attached a screenshot it seems that the phone is identified on the pc. is there any kind of solution to enter the recovery so that it can be recognized on Hisuite please ?
ps : the device seems in fastboot but doesn't turn on
Try this guide https://forum.xda-developers.com/t/...2-here-is-the-situation-and-solution.3878714/

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i was drunk and changed pin. now i need help to get past it. dont want to do full reset because i have photos for like whole year, and other info. what can i do? adb does not work, can boot to miui recovery mode, but not sure what can do with it. googled a bit, and got it that cwm or twrp may help, but not sure how i can set them on the phone with adb disabled. any help appreciated.

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