yashsingh1/xdaforums huggingface dataset:
[Huawei P8 Guides, News, & Discussion] bihslk:
Hi

I see someone here have problems with bricked phone. It just keeps restarting and you cant even turn it off.

The problem is here that UPDATE never ended to 100% and software successfully changed boot.img to the new one

but with old system on the phone.

Its even worse if you have TWRP recovery installed before update then it will brick the phone too.

Allways install stock recovery on current rom before update firmware.

Ok i will start now with this guide because i had same problem and fixed it by myself.

I will not put any links to downloads find them self GOOGLE is your friend

First of all if you were on B200 5.0.1 version of android then you need B170 firmware to extract boot.img and recovery.img from

the UPDATE.APP file

For that you need a software called Huawei Firmware Extractor

Download it and install

Now you need even ADB/FASTBOOT on the computer. If you dont have download and install. Install even drivers for the phone

Now Open the Huawei Extractor and add the UPDATE.APP file.

Now you will see alot of files below

Now mark the boot.img system.img and recovery.img and extract them to the desktop of your PC

Now copy those files to the ADB/FASTBOOT folder.

You phone i still under the bootloop and you need to get it into FASTBOOT mode. Only way to do it is to plug in USB cable to the phone.

Now as soon the phone reboots by itself hold Power and Vol down button until you see white screen and fastboot mode

Now go to the ADB/FASTBOOT folder where you copyed files and hold shift and press right mouse button to get "Open command window here"

So you will be in fastboot and you will see C:/ADB that is right directory

Now start with fastboot erase cache

Then write fastboot flash boot boot.img and hit enter

When done do following fastboot flash recovery recovery.img and hit enter

You can if you want even try to flash system.img by writing fastboot flash system system.img or fastboot flash system.img dont remember that combination

but try and see wich works.

Now write fastboot rebootand phone will reboot . If you still have bootloop then as soon phone goes black then Hold Vol+up and Power until you see recovery.

Over there make factory reset and cache and then reboot.

If you still cant boot into recovery then you need to get Firmware B170 and put it on you SD card in DLOAD folder

to flash it from scratch. Same here is that you need to have USB plugged in in order to get to EMUI flash mode or it will wont work.

Remember that you only need UPDATE.APP in the DLOAD folder from B170 firmware.

I know my English sucks but im trying to help...
[Huawei P8 Guides, News, & Discussion] noraru:
hello, i tried bouth solutions and i cant get my phone to boot up i dont now maybe i am doing something wrong i was on b200 rooted and twrp instaled an i updated to android 6 and i m stuck in bootloop you can help me with something i am out of ideas. thanks in advance
[Huawei P8 Guides, News, & Discussion] sokkoban:
Yes, this is the your mistake

Never update firmware with instaled TWRP. First you need to flash to factory recovery then install the original firmware like B170(B200), then update to Marshmallow
[Huawei P8 Guides, News, & Discussion] rndll:
Nevermind, fixed it. :)
[Huawei P8 Guides, News, & Discussion] noraru:
i know is my mistake , i flash recovery img from b170 but i cant get in to recovery mode anymore hao much i have to push the vol up+power buton? i only can boot in to fastboot
[Huawei P8 Guides, News, & Discussion] TopperBG:
How please ?
[Huawei P8 Guides, News, & Discussion] rndll:
You don't flash img files through the recovery. Flash recovery.img, boot.img, system.img and cust.img manually through the fastboot screen (vol down + power) using either the windows command or mac terminal.
[Huawei P8 Guides, News, & Discussion] TopperBG:
Thank you, at the moment I'm trying the same.

---------- Post added at 03:16 PM ---------- Previous post was at 03:12 PM ----------

Which firmware, I've tried with full B200 and extracted images, but no success. B170 ?
[Huawei P8 Guides, News, & Discussion] TopperBG:
Don't have success, please give advices ?
[Huawei P8 Guides, News, & Discussion] rndll:
1. I Download the B313 update and extract the boot.img and recovery.img from update.app using Huawei Firmware Extractor.

2. Connect your P8 to your PC/Mac. Hold down volume down + power just before you feel the vibration and the Huawei logo shows up. This will boot you to the Fastboot/Rescue screen.

3. Using the windows command prompt or mac terminal, flash the B313 recovery and boot images using Fastboot:

fastboot flash boot boot.img

fastboot flash recovery recovery.img

After flashing these, if you reboot normally, the bootloop should be gone but you will get stuck at the Huawei logo. However, you'll now be able to access recovery (volume up + power) and the 3 button update (vol up + vol down + power) modes.

You can now reboot either holding the power down or issue a fastboot command:

fastboot reboot

4. This may be optional and may not have any bearing but at this point I was ok with losing data just to get the phone booting again. Boot to the recovery (volume up + power) Yes, it's not that easy using the buttons. Just try it until you get the recovery to boot.

In recovery select Wipe data/factory reset and Wipe cache partition.

5. Download the B170 Full ROM and extract the dload and custom folder to your microSD. Use a card adapter/card reader.

6. IMPORTANT: Disconnect your P8 from your computer if it is still connected. Doing the next step while you're connected through USB will cause the update to get stuck at 90% and if you force a reboot, your device will bootloop again.

7. Reboot from the recovery and boot into the EMUI Updater using the 3-button method (volume up + volume down + power). Let the phone update and voila! You're back in business! :)
[Huawei P8 Guides, News, & Discussion] TopperBG:
Confirm, it works!
[MENTION=3732627]rndll[/MENTION] bold and make red color B313
[Huawei P8 Guides, News, & Discussion] noraru:
so it works , i have to gflash boot,cache and recovery img from b313?
[Huawei P8 Guides, News, & Discussion] TopperBG:
I've interrupted update (B313), write to SD /dload full B200 and started Recovery. Update gone just fine and phone started with brand new B200. Even don't reset or wipe !
[Huawei P8 Guides, News, & Discussion] rndll:
You only need the boot and recovery images.
[Huawei P8 Guides, News, & Discussion] noraru:
thanks my friend it woooorks, my phone booted up at last, thank you very much you saved me i allready packed my phone to take it to the service you are great thanks again for your help.
[Huawei P8 Guides, News, & Discussion] rndll:
You're welcome. :)
[Huawei P8 Guides, News, & Discussion] TopperBG:
:good:
[Huawei P8 Guides, News, & Discussion] Wurschtsemml:
Hey TopperBG,

i'm in the same Bootloop as you described.

I tried every ROM I found on the internet but the combo with Vol Up + Vol Down + Power won't work. There ist always a fail after 1 % loading.

The second I tried was on fast boot. Problem im my boot loader is locked. So there is no chance for me to get something flashed.

Last option was your comment. I've loaded the B200 Rom on my SD-Card in /dload and tried (the second time) the Vol Up+Vol Down+ Power combo. No success. Then I tried just Vol Up+Power to get the Recovery mode as you described. But I have no chance to boot to recovery mode.

Do I forgot a step ??

Please help

Thanks

Flo
[Huawei P8 Guides, News, & Discussion] TopperBG:
Tell me first what you've done when become to bloop ?

With boot and recovery from that ROM you must flash.

If you can forcibly start update (vol+ vol- power) you have a chance to update properly with update.app in /dload folder
[Huawei P8 Guides, News, & Discussion] Wurschtsemml:
I tried to update through local update on the Phone. But not with .zip. I tried the .app directly. Now i know it was the wrong Choice.

Flash with fastboot is no option for me because of the locked bootloader.

If I do the Force start with the new marshmallow rom (update.app) there is a warning that i'm using the wrong version for my phone.
[Huawei P8 Guides, News, & Discussion] gsiant:
I did it , i have just unlock the bootloader.

Connect to https://emui.huawei.com/en/plugin.php?id=unlock&mod=unlock&action=apply and use your fb account to login ,only if you log in with a fb account you will be able to have immediate the unlock password, open the Huawei id generator and for model enter the HUAWEI Y300-0000 ,enter your imei and copy the created product id and then paste it in the form in huawei with your sn ,imei and use for model HUAWEI Y300-0000 and done ,you have the unlocking password
[Huawei P8 Guides, News, & Discussion] gsiant:
My phone was in b170 without imei and i couldn't connect to network.

This worked for me.

1. rollback from в317 to в300

2. rollback firmware https://yadi.sk/d/SdN_mmuEmNxvn

3. unzip folder dload to computer and paste it to empty sd card

4. shut down the phone

5. press 3 keys together (volume up + volume down + power ) and downgrade will start and after installation wil be downgradet to b300

5. shut down the phone

6. download b200 http://consumer.huawei.com...90&pro=GRA-L09

7. unzip to computer the dload folder and put it in empty sd card...

8. star the phone with 3 keys (volume up + volume down + power ) and downgrade will start and after installation wil be downgradet to b200

9. wait ubtil operation complete

10. start the phone

At this point the phone started and i had imei and network connection and the phone was to b300.

Make a clean install is very important at this point.

1. Download from Huawei Hungary the latest european version L09V100R001C900B170 : http://download-c.huawei.com/downloa...43&siteCode=hu

2. You will find in downloaded file 'D__documents_Temp_upload_GRA-L09C900B170CUSTC432D001-Europe.rar' two folders :

/CUSTOM

/dload

3. Copy both folders /CUSTOM and /dload forders with one update.app in each folder in your SD card

4. Shut down your P8

5. Press "Vol+" + "Vol-" + "Power" until your P8 vibrates

6. Update will start. If you have an operator ROM, you might get un error message at the end. Do not worry.

7. Turn on your P8 and configure it (don't need to create Google account or even to connect it to WiFi.

8. Open Huawei File Explorer and rename /dload folder containing update.app (2.91 Gb) to /dload.rom (or other name you fancy)

9. Rename /CUSTOM folder containing update.app (19Kb) to /dload

10. Repeat steps 4 to 7

11. Open Huawei File Explorer and rename /dload folder containing update.app (19Kb) to /CUSTOM

12. Rename /dload.rom folder containing update.app (2.91 Gb) to /dload

13. Repeat AGAIN steps 4 to 7

14. Open Huawei File Explorer and delete /CUSTOM and /dload folders from your SD card.

Phone is ready with b170.
[Huawei P8 Guides, News, & Discussion] L0RDZ3RO:
I cant get the 3 button recovery
[Huawei P8 Guides, News, & Discussion] pc5354:
hi i am having some issues could someone help me please i am stuck on bootloop i tried getting into fastboot but my phone is locked also tried putting update.app file on my sd card and holding vol + - and power to update but nothing happens it just kept on looping.
[Huawei P8 Guides, News, & Discussion] DerVixR:
Hellö,

My phone also got the Bootloop.

i tried to install the ROM (A. 6.0) with Locked Bootloader and now i'm pretty ****ed, 'cus i cant use ADB Sideload.

Can i thrash my phone now.

EDIT:

Okay, i managed to get the Bootloader unlocked, but no matter what i am flashing, the BootLoop still is present..

I also cant delete Cache, i'm not permitted?

Now, again i Flashed b200 Cust, Boot, Recovery, System.

Now i'm in the Software install, then it says:

Edit2:

Now, i wiped cache in Recovery, now the Phone Boots, but i cant unlock it, when i'm drawing my Pattern, its like the UI Crashes
[Huawei P8 Guides, News, & Discussion] DerVixR:
Now i Flashed userdata, now i was able to boot normal, but IMEI is gone and also my SIM does not get Regonized.
[Huawei P8 Guides, News, & Discussion] gsiant:
Try that i'm writing in post #182

This will fix your problem.
[Huawei P8 Guides, News, & Discussion] NukedLSD.:
I was b200(Android 5.0.1)

Tried to install 6.0 via local update.

It reaches 100%,says it's complete and okay.

Now i'm in Huawei logo bootloop.

Edit:

Sorry for double post.

I know what i did wrong,i extracted the update archive before going to local update.

My bootloader is locked,i have my imei and sn,can i unlock it to repair my phone via fastboot?
[Huawei P8 Guides, News, & Discussion] danbud:
Salutare

Te rog ajuta-ma si pe mine ! Nu reusesc sa-i dau de cap plssss !!!
[Huawei P8 Guides, News, & Discussion] NukedLSD.:
?

Huawei eRecovery won't work right?
[Huawei P8 Guides, News, & Discussion] NukedLSD.:
So,i managed to unlock bootloader.

I flashed boot.img and recovery.img(from b170).

I did factory reset and wipe cache from recovery.

My phone started,at last.But it won't allways start,it may restart a few times util it starts.

I don't have any imei,baseband and lots of bugs,restart when i go into camera,phone app etc.

Should i try to update to 313,then downgrade to 300 and 170?now i'm on 200(as far as i can see).
[Huawei P8 Guides, News, & Discussion] TopperBG:
Flash full update of B200. After that probably you will receive OTA update.
[Huawei P8 Guides, News, & Discussion] NukedLSD.:
I press vol + - and power,it won't install.

I tried with B200 Update,B200 Full Rom,B170 Full Rom.(Update.app)
[Huawei P8 Guides, News, & Discussion] geoermejo:
Hi guys, I have a big problem with my phone. I bought it when it was in a bootloop; this guy tried to install Marshmallow and he failed it. I managed to roll back to b110 version and now I'm stucked. I can't install a higher version, the phone works (not fine; i can't receive calls, watch videos etc etc) but it works. i have the original IMEI; When I'm trying to install a higher version from local I get an error massage like: "software install failed! get help from...".and than it reboots. I unlocked the bootloader too. What can i do? Sorry for my bad english, I hope to find some support from you guys.
[Huawei P8 Guides, News, & Discussion] NukedLSD.:
Can't i install full rom with fastboot?
[Huawei P8 Guides, News, & Discussion] Pietrrokov:
Hello! Im new here and have a same problem (bootloop) with my Huawei P8 GRA-L9.

Its my second day and more than 10 hours I spend my time to fix that phone with no effect.

I tried to instal any ROM from B132 to B321, rollback, fastboot etc etc. With no effect.

So can you help me guys to fix my phone? This guide dosnt help me bcs when I trying to use fastboot with command like this:

C:\adb>fastboot flash recovery recovery.img

target reported max download size of 471859200 bytes

sending 'recovery' (28152 KB)...

OKAY [ 0.600s]

writing 'recovery'...

FAILED (remote: Command not allowed)

finished. total time: 0.615s

I allways have FAILED and only FAILED I have seen.

Its worth to mention one more thing: When I try 3 buttons way I have a error after few second of instaling ROM like: "Software install failed!" "Incompability ith current version. Please download the correct update package."

What the heck does it mean??

I have two more question for start:

do I have to unlock the bootloader to use fastboot? And second is : with ROM is the best to work with it for start?
[Huawei P8 Guides, News, & Discussion] geoermejo:
yes, you have to unlock the bootloader
[Huawei P8 Guides, News, & Discussion] Pietrrokov:
Thanx for reply, so I have a second problem: I dont have IMEI, S/No and Product ID. How can i obtain it?
[Huawei P8 Guides, News, & Discussion] geoermejo:
i guess you don't have the phone's box. you can find them there, and after that you can get the id from huawei's website
[Huawei P8 Guides, News, & Discussion] Pietrrokov:
I have a phone box but without any ID stickers......Any other ideas to obtain SN?
[Huawei P8 Guides, News, & Discussion] geoermejo:
same, you find it on your box or connect the phone to the pc, put it on fastboot mode (power off + vol down), open adb/fastboot on your computer and write : "fasboot.exe devices" and you got yout SN
[Huawei P8 Guides, News, & Discussion] Pietrrokov:
And how can I obtain IMEI then? I can upload a box photo if you wish to prove it.
[Huawei P8 Guides, News, & Discussion] NukedLSD.:
In the end,i managed to repair my phone.

Here is the full story:

I was B200 and i wanted to install B313 OTA.I didn't put on my sd card update.zip and i extracted it(THIS WAS MY FAULT)

Phone ended in bootloop.

I tried for a few days to extract boot,recovery,system.img from diffrent roms,and i made it with b170.

My phone didn't start after installing those files but i downloaded B317 full rom,put it on my sd card and then installed it throug recovery(+-power)

It fails at ~70,it restarts but it boots into Android.

It looks okay far now,i have signal,no problems with imei and other things.
[Huawei P8 Guides, News, & Discussion] Vladicostea:
Hello! Unbrick P8

By mistake I bricked my phone, Huawei P8. I was following the steps that everybody wrote here, but it doesn't work. When EMUI in eRecovery I have only 3 options: reboot, download new version and recovery and shutdown. I was trying everything. If I hit download...it will give me a message back with fail. What can I do? I am out of ideas

Cheers
[Huawei P8 Guides, News, & Discussion] Pietrrokov:
I have exactly the same situation and this is a third day when Im trying use every guide with this problem on internet. I dont know what to do ! Guys can you help?

PS. Do you have locked bootloader?

If you dont have you can use fastboot. I have locked bootloader and dont have IMEI number so i really dont have any ideas.
[Huawei P8 Guides, News, & Discussion] Vladicostea:
I just managed to get the phone partial working. It boots untill it gets to the sound logo. Than it will be stuck again. With the first processe I used the B170 update, the bootloader unlocked. I used Huawei Update Extractor. You just have to extract boot.img and recovery.img. After that from commander you have to flash boot.img and recovery.img. The B170 update I copied also on a microSD. I used the update.zip and also update.app in a folder that you have to create in the root of the microSD, folder named dload. I used both extensions because searching the web, some people said used the app and some said to use the zip

So, like I said, is partial working and now I will try some updates to make it start. I will post and update soon. And with your IMEI I think that somebody wrote about that, here in the forum. I will search also for that if you need it

Here, I found this link on the forum http://bicgatephone.blogspot.no/2014/08/how-to-rewrite-or-repair-imei-on.html

you can use this after you start your phone. I hope it works

Check the box also from the phone. It should be writen the IMEI, S/N etc.
[Huawei P8 Guides, News, & Discussion] Pietrrokov:
Dude I dont have a IMEI number becouse Huawei giving it on carton box and i dont have this carton I have only this plastic elegant box.

So I cant check IMEI this way and I cant check on the phone becouse I cant turn it on to android. My phone is with locked bootloader and I dont have any way to unlocked this.

Any other ideas?
[Huawei P8 Guides, News, & Discussion] Vladicostea:
So I see 2 options. Get in touch with Huawei (it will take some days) or go to service with the phone. Sorry bro, but I am out of ideas
[Huawei P8 Guides, News, & Discussion] Vladicostea:
update failed at 5%!

So, I have flashed the boot.img and recovery.img with the fastboot using the B313. After I was trying to install update from SD card, B170, B200...everytime update failed at 5%. Somebody has any idea?

Thanks
[Huawei P8 Guides, News, & Discussion] TopperBG:
Flash Recovery and Boot from ROM which you was on or at least - that one, which you tried when comes bootloop.

Other case, extract and flash Recovery and Boot from B200 and START FULL UPDATE with 3 buttons.
[Huawei P8 Guides, News, & Discussion] Vladicostea:
The first case I already try it. It updates to 5% and after fails. With B200 I have tried, update 100%, restart and after is freezing at the sound logo.

Thanks mate!
[Huawei P8 Guides, News, & Discussion] TopperBG:
Let us clear.

1. On what ROM version you was? Did you try Recovery and Boot from that?

2.What ROM you've tried update to? Did you try Recovery and Boot from that?

3.When you start force full update - did you have FULL update in /dload folder (at least 1.1-1.5Gb) ?
[Huawei P8 Guides, News, & Discussion] Vladicostea:
1. I had B200 and I have tried recovery and boot from that

2. B313 and I have tried recovery and boot also

3. I had from both ROM the FULL update file, over 1.2 GB

And I was using update.zip or update.app and the rest of the folders.

With both is doing the same. Searching some answers I found that some people said to use .zip some to use .app
[Huawei P8 Guides, News, & Discussion] rodlane:
Have you tried a different sdcard, and is your cable plugged into your phone when you run the update? The cable should not be plugged in.

I had an issue downgrading from b313 before. Flashing all the flashable img files fixed the problem. Update extractor shows on the left side which img files are flashable.
[Huawei P8 Guides, News, & Discussion] Vladicostea:
I have tried 2 SD cards. After I reboot from fastboot I am unplugging the cable and using the 3 buttons to start update. I was flashing only the boot and recovery. But when I was trying to update I was using TWRP. ( I know. My huge mistake)
[Huawei P8 Guides, News, & Discussion] rodlane:
Are you definitely on cust432?
[Huawei P8 Guides, News, & Discussion] Vladicostea:
Well, I can't tell you on what cust I was because I didn't looked. But all the updates, firmware and everything I was searching by the model name, product serial number and everything. When I bricked my phone I was trying to install build update v 6.0.0 M, GRA-L09C432B313.

My mistake, I installed using the TWRP.

Short update: I found an old info. It was C432 B200 android 5.0.1
[Huawei P8 Guides, News, & Discussion] rodlane:
Try this:

B300 does not work with the 3 button method, only with the instructions below.

Flash boot, recovery, cust, system b313 img files.

Put b300 zip file into dload folder.

The your phone off.

Hold power + volume up. Keep it there until more than 10 seconds pass.

In that time you may feel a vibration. Don't let go of the buttons. Keep the buttons down until your screen comes on, then let go.
[Huawei P8 Guides, News, & Discussion] Vladicostea:
Ok, thanks. I will try that. Last night I was downloading the B200, over 2 Gb. I flashed and after that it went in the bootloop again

---------- Post added at 01:41 PM ---------- Previous post was at 01:25 PM ----------

I can't find the b300
[Huawei P8 Guides, News, & Discussion] driss.sadok:
THANKS

I have the same problem, did you solve yours????
[Huawei P8 Guides, News, & Discussion] Vladicostea:
I am still fighting with mine for a few days now. I am starting to give up
[Huawei P8 Guides, News, & Discussion] Vladicostea:
A big question that is blowing my mind away! Should it be .zip or .app in the dload?????

the .zip stops at 5% and the .app goes all the way trough but doesn't go forward from the sound logo
[Huawei P8 Guides, News, & Discussion] rodlane:
Update.app only for full roms. For OTA, the zip file.
[Huawei P8 Guides, News, & Discussion] Vladicostea:
Thanks for all the info, but I don't know what to do anymore. I started from b170 to b313. All the way the same problem. It is possible that I can't recover the phone anymore?
[Huawei P8 Guides, News, & Discussion] rodlane:
https://mega.nz/#F!E9FVCA6I!Ec8vCoDgAOwGBJPeBw_1nw
[Huawei P8 Guides, News, & Discussion] Vladicostea:
This is for mac? Or...

And flash everything or only the boot and recovery?