Bootloop after dissasambley - Huawei P30 Pro Questions & Answers

Hey there,
i've tried to replace the screen on several p30 pro devices (device has been working before). Unfortunately i allways run into the same problem: After reassambling the phone is stuck at huawei Logo, EMUI erecovery shows the retrieving package inforation failed. Trying the old display doesnt work either, same result. I've tried to replace the screen very carefully, i'm an experienced phone repairer so i think, that there is nothing damaged...Did anyone experience the same? Could it be possible, that this is caused by not changing the heatpaste? thanks for your help

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Mate S bircked ?

Hi everyone,
I tried to install Marsmallow according to the XDA tutorial and my Mate S is now stucked on Huawei Logo when it boots.
I tried to put another Firmware on my SD in order to downgrade the phone but it did not work. I tried to wipe the data etc with the reset functionality it didn't work neither. Finally I tried to install TWRP or another recovery file that I've extract but I still get the error message "FAILED -(remote: command not allowed)". I guess I should have root my phone before but now it's bricked I can do it
So I'm kind of stucked on this (and a lot disapointed), if anyone has an idea it would be great.
PS : I can't even turn my Mate off now, it always displays Huawei logo and boot until it has no more battery !
Thanks for reading me.
i can tell you a long story from Huawei Mate S but i make it fast.
I flash realy all what i can found for a long Time but Mate S is a big Problem, biggest Problem is when you have a brandet Phone. First i have a Mate S with Provider Branding, that is realy bricked with update to Marshmallow but huawei have change my phone (6 Mounth they do that) and they have give me a brandet free phone and with that i dont have problems with update or brick.
When you now have a Brandet phone, talk with huawei that they change it (24 hours)
When you have a brandet free phone you have a chance that you can debrick it.
Please tell what you have make and what you have for a phone and what for FW you have installed. More input please
Only way what you can do is you download from huawei rollback . Its only for China but it works. When it start then and you update your phone again it will brick for ever !!

Stuck on error mode, no way out?

Hi to all of you, I'm asking for your help 'cause I really think my P9 VIE-L09 is lost:
I've bought it used with c900 on and, after a long time, I've decided to bring it to c432.
It was a success but, when I tried to update to B373 from B370 something's gone wrong:
It was an escalation of errors and now I'm stuck on Huawei error mode with this screen
Attention! Please update system again
Func NO: 14 (iom3 image)
Error NO: 1 (security verify failed)
The terrible problem is that I've relocked the bootloader and I can't go anymore to fastboot, erecovery or twrp. Also dload method with 3 keys combination is unattainable. I've tried to fully drain the battery but nothing's changed...
Any idea about it? Really thanks for your help
Did you try huawei recovery tool?
Hi, thanks for the answer.
I've tried with huawei hisuite but it gaves me error, is it the same tool you were talking of?
Yeah, same tool. You are in a pretty bad spot: your Phone is bricked and if you can't even enter fastboot&rescue mode the only solution is a motherboard change via huawei assistance.
I know I've made a very serious mistake... Motherboard costs a lot, do you think they can fix it in guarantee or there's no hope?
You can try to contact them for RMA but I think they won't accept it
Ok, thanks a lot

bootloop, locked bootloader, flashing with testpoint doesn't work

Hello guys,
like many other people my Xiaomi A2 phone don't want to boot anymore. Everytime i tryied to start, it got stuck at Android One screen an reboots. I've tried every powerbutton/vol-button combination i could found but nothing worked, only fastboot mode was possible. I red very much here and in other forums. Because my bootloader is locked, I opened my phone to flash it with the testpoint method. I tried different versions of the mi-flash-tool between 2015 and 2018 and also tried various rom versions between V9.6.13 and V10.0.13 but nothing worked. Mostly the process fails with the Error "ACK Count don't match". Especially with newer versions of the mi flash tool.
I have the global version of the phone and never flashed any other rom before the phone got bricked.
The drivers I use are from the mi community forum (can't post link because i'm new. Title is: [All in One] MIUI Flashing Guide: Unbrick, EDL Method / Locked Bootloader, Unlock Bootloader, More)
I also tried different USB Ports.
It would be really great if you could help me with any other idea or tip!
where you from? do you have telegram? i was in dsame situation last night but i manage to make it work doing testpoint method.
Go Service Center Your Problem Solve Because I Face Same Problem And Know I Save My Mi A2 Life
Hello. Did you manage to solve the problem?
I have the same situation.
I don't know if this is the same situation as you guys, but I managed to successfully flash my MI 6x with wayne v 10.3. Even then the phone always starts in a bootloop. I'm beginning to suspect this is a hardware problem.
I faced a similar issue. Have you managed to solve it? I also have the same error and can't flash "ack count don't match"

Huawei p30 pro e-recovery mode

hello to all.
first of all i hope to get some help in this page.
so recently i have changed the display from p30 pro and before the rebuild,i check if the display works ..so it worked i was happy everything was fine...then i build everything together and i tried to open the device so i can use it again...but suddenly it opened to e-recovery mode and doesn't matter how many times i try everything to open my device its impossible... i tried the to download the latest version it failed,i try to safe-mode failed again, tried with PC hisuite not supportet the VOG-L29 so please if anyone knows how to make it work again without deleting everything and start again let me know!!! the only reason that i dont want factory reset its because i don't wanna lose every file every fotos etc...
I have exactly the same problem. Any solution?

Random Restart and Shutdown on P20 Pro

Hi All,
I finally promise my wife that I will not tweak my phone and now my P20 Pro started glitching.
It will restart randomly and sometimes it's stuck in a bootloop and I HiSuite will not connect. My PC recognized the phone and I am able to access the files.
Is there another for me to downgrade my phone or fully reinstall the firmware?
At this point I would love to run a customer rom however I don't have a bootloader unlock code from Huawei.
Any help will be much appreciated.
Thanks in advance,
Vic

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