Database Develop

Any trick find to rollback to 5.1.1 ? on CRR-09 ?

Hello mate S owners , is there any way to rollback to 5.1.1 ?
thkx

mazighi said:
Hello mate S owners , is there any way to rollback to 5.1.1 ?
thkx
Click to expand...
Click to collapse
No.
This question has been asked before, please search the forum before posting

brumgav said:
No.
This question has been asked before, please search the forum before posting
Click to expand...
Click to collapse
It's he who already asked the question. Opened 2 New Threads and posted under 4 other Threads. He's getting seriously annoying.

Try this.....
1. dl huawei update extractor
2. dl the rom
3. Open These update.app with huawei update extra Tor
4. extract the files......Boot.img cust.img recovery.img recovery2.img system.img and userdata.img
5. enable USB debbuging
6. Go in bootloader and connect it
7. Flash the files

xynewageyx said:
Try this.....
1. dl huawei update extractor
2. dl the rom
3. Open These update.app with huawei update extra Tor
4. extract the files......Boot.img cust.img recovery.img recovery2.img system.img and userdata.img
5. enable USB debbuging
6. Go in bootloader and connect it
7. Flash the files
Click to expand...
Click to collapse
Thank's , i have tried this but it tell me failed

xynewageyx said:
Try this.....
1. dl huawei update extractor
2. dl the rom
3. Open These update.app with huawei update extra Tor
4. extract the files......Boot.img cust.img recovery.img recovery2.img system.img and userdata.img
5. enable USB debbuging
6. Go in bootloader and connect it
7. Flash the files
Click to expand...
Click to collapse
I've tried this,albeit without the userdata.img however although it took me back to EMUI 3.1 and Lollipop some menu items were not working such as setting a screen lock and unable to get to guest mode.
Would also not update using the B114 full ROM, would only accept the B303 beta.

http://www.android-hilfe.de/thema/huawei-mate-s-zurueck-zur-145.762060/
It´s in german language and even not proved. But provement is on the way!

mazighi said:
Thank's , i have tried this but it tell me failed
Click to expand...
Click to collapse
Dont write fastboot flash boot.img and the path
Write fastboot flash boot and the path

xynewageyx said:
Dont write fastboot flash boot.img and the path
Write fastboot flash boot and the path
Click to expand...
Click to collapse
Yes , for exemple i have tried
fastboot flash boot boot.img
like this ?

mazighi said:
Yes , for exemple i have tried
fastboot flash boot boot.img
like this ?
Click to expand...
Click to collapse
Type fastboot flash boot.........you can put the file in your cmd console (drag&drop) for the path....i dont know why this not work for you
The path is c:\.....where you extracted........ and the update.app must be a full rom not ota update

Ive tried flashing the recovery.img, boot.img, cust.img and system.img from B145, then factory reset and then restoring a TRWP backup of B114 however it still doesn't work, still cannot access lock screen settings (and fingerprint settings) or security settings.

brumgav said:
Ive tried flashing the recovery.img, boot.img, cust.img and system.img from B145, then factory reset and then restoring a TRWP backup of B114 however it still doesn't work, still cannot access lock screen settings (and fingerprint settings) or security settings.
Click to expand...
Click to collapse
try this
flash b114
flash your backup
flash stock recovery again
make a local update to b145

xynewageyx said:
try this
flash b114
flash your backup
flash stock recovery again
make a local update to b145
Click to expand...
Click to collapse
After I flashed the .img files from a b114 ROM I tried restoring my backup however it failed so I had to restore my b303 backup

Rollback
We work here in the German Forum (Android Hilfe) for weeks to find a solution. The rollback is not yet possible.

brumgav said:
After I flashed the .img files from a b114 ROM I tried restoring my backup however it failed so I had to restore my b303 backup
Click to expand...
Click to collapse
Try this........DL the Firmware you want anderen extract the Update.app
Flash this IMG Files via fastboot
Boot.img
System.img
Recovery.img
Maybe Recovery 2
Reboot your phone
---------- Post added at 04:36 PM ---------- Previous post was at 04:34 PM ----------
If the settings not work make a factory reset after boot

There is rollback package on polish site: http://consumer.huawei.com/pl/support/mobile-phones/mates-pl-sup.htm
But after I did that it switched do C900.

Honor 5c L21 aka 7 lite

I update to B132 and I have some bug on this firmware
https://www.youtube.com/watch?v=1yVya1LV5IM
https://www.youtube.com/watch?v=-Mhg3hdcSq0
I want to dowgrade from nem-l21_c432b132 back to stock nem-l21_c432b100
I copy the dload and update.app B100 + *#*#2846579#*#* and press update, but is not working, i get update failed.
How can downgrade the firmware?

You got the update fail cause your version is higher than b100.
I think that if you want to downgrade you will have to download Full B100 not the OTA.
But I recommend if you want to do this use the b130 - I am using it and it is very good.
Do the whole procedurę through turned of phone: then VOL down and up together if I remember correctly.

I have try Full B100 not ota.
Not working.
Maybe some one know how to downgrade with fastboot?
nem-l21_c432b132 to nem-l21_c432b130 is working downgrade.
But i want nem-l21_c432b100

i try flashboot
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash cust cust.img
fastboot flash system system.img
At fastboot flash system system.img i get failed
someone can help me?

@zzhunt This is an experimental method to go back to B100 by using OEMinfo. You do on your own risk! Required unlocked bootloader and installed TWRP (from Meticulus). Before performing make a full backup in TWRP.
1. Download here this package and put together of firmware B100 on the memory card,
2. Run and install in TWRP this package.
3. When finished install it, restart your smartphone to fastboot mode (Reboot>Bootloader)
4. Plug it into your computer and flash original recovery [LINK] a command "fastboot flash recovery recovery.img"
5. When you can flashed, then disconnect and hold power switch. When the informations will disappear from the display, immediately press the buttons Volume up and Volume down,
6. Will start the flashing system and after finishing restart your smartphone
7. Done!
I tested so far only on my device and don't know, what will happen with smartphone a different serial number/IMEI etc., but rather it should go.

@przemas2468 I can not flash twrp.
I get the same error: remote: command not allowed

zzhunt said:
@przemas2468 I can not flash twrp.
I get the same error: remote: command not allowed
Click to expand...
Click to collapse
Reverting back can be done by putting the full update in dload folder in sdcard. I have once got that error that u r talking about after the installing process completed. So i simply rebooted. And i got the stock one. So try this, just reboot and see.

@Shubho20 not working
https://www.youtube.com/watch?v=zLBrrrAJ1WQ&feature=youtu.be
I also go today to huawei service to flash the B100, and they can not flash.
They try but also not working

zzhunt said:
@Shubho20 not working
&feature=youtu.be
I also go today to huawei service to flash the B100, and they can not flash.
They try but also not working
Click to expand...
Click to collapse
What does ur dload folder contain? Only update.app?

yes

Shubho20 said:
What does ur dload folder contain? Only update.app?
Click to expand...
Click to collapse
And does the update process complete and then show that error?
---------- Post added at 03:30 PM ---------- Previous post was at 03:28 PM ----------
zzhunt said:
yes
Click to expand...
Click to collapse
In full stock firmware, after extracting it, there is dload folder. In dload folder there will be 2 folders and update app.

I try B100 firmware bulgaria and greece
On greece is only dload folder and update.app
And in bulgaria is 1 folder hw + update.app
http://postimg.org/image/w6e41dxet/
in hw folder is other folder EU and inside is update_data_hw_eu.app
I try with update.app + this folder.
Not working, at 5% fail install and start normal.

I want to go back to B100 because this updates B130-131-132 is junk for me.
Only problems i have
https://postimg.org/image/tkuz6g901/
https://postimg.org/image/4qbhcdo5t/
Double icons
Keyboard sometime freeze
https://www.youtube.com/watch?v=1yV..._comment_id=z131wfkqszjtzdi3l222x52jtmj0fpc3x
Fingerprint problems
This 3 updates for me is misery, only bugs i have

zzhunt said:
@przemas2468 I can not flash twrp.
I get the same error: remote: command not allowed
Click to expand...
Click to collapse
You have unlocked bootloader? If not, you'll have to unlock - here is a tutorial on how to do it. Then you flash TWRP and perform what I wrote previously.

for me b132 optimized alot battery life and ram usage. also gpu works better.

NEM-L21 bricked, bootlooped after trying to go back to 6.0

Dear XDA members,
Maybe someone could help me.
I was using the beta Nougat on my 5C (7lite - NEM-L21) and I decided I would like root. I installed Nougat TWRP and went well then I've encountered problem when installing supersu.zip - data problems, so I googled (damn google specialists) so I wiped system and DATA. I left myself without any operating system. So I managed to instal Lineage 13 for P9lite-Honor 5C.
But no, that was not enough, I tried again to install the beta update + patch for NEM-21... And thats it no more Lineage 13 no more nothing. After that I have installed TWRP through ADB and I could not go into it. So again google - I managed somehow to install original B132 firmware (before it I installed recovery taken out of B132) and it go through installation with success.
Unfortunately that's it - phone stays in the HONOR logo and nothing more - ah yes I did clean to factory through Honor original recovery.
Can ANYONE help me solve my problem, or you think it's a lost cause?:good:

dload method should work.

thelous said:
dload method should work.
Click to expand...
Click to collapse
Unfortunately should work doesn't apply to my case
I will have to send it to Service in Huawei.

If anyone encounters my problem please use method passed by fellow xda member y4c1ne .
1- Extract the update.zip from this thread, u'll find an Update.app. Open it using huawei update extractor, and then extract BOOT.img, RECOVERY.img, SYSTEM.img to adb folder.
2- Boot your phone into bootloader (shut it down, press volume down - then connect it to your computer)
3- Flash the files extracted from UPDATE.APP using these commands
Code:
-fastboot flash boot BOOT.img
-fastboot flash recovery RECOVERY.img
-fastboot flash system SYSTEM.img (this will take some time so be patient).
Again thanks for help: y4c1ne

recovery.img for P9 Plus

Any chance have the original stock ROM VIE-L29C636B130 in their archive? Huawei had removed that already.. and I am stuck in updating my phone as I didn't have a backup of the original rom's recovery file..
Huawei OTA does not pick up any updates and tools I have tried so far failed to apply the full OTA.

restore recovery from recovery2 :
go into twrp
advance -> file manager -> /dev/block/platform/hi_mci.0/by-name/
copy recovery2 to SDcard (or other place)
rename copied recovery2 to recovery
recopy the file to /dev/block/platform/hi_mci.0/by-name/

And after that just reboot? Apologise for the question but I am new in that and I wand to restore my stock rom, recovery, lock the bootloader. For warranty claim purpose ...
Also if anybody has an archive with the firmware file which should be copied to sd and card flashed to my phone ... VIE-L29C185B360
Any help will be highly appreciated.

yes just reboot and the stock recovery must be come back
now to unlock the bootloader you need to install the B181 (download here) but if your current version is B360 you need to rollback to B300 (download here) first then to B181
steps
1- extract "update.app" from the B300 zip to dload folder in SDcard and install it with the 3 buttons methode
2- extract "update.app" from the B181 zip to dload folder in SDcard and install it with the 3 buttons methode
normaly the bootloader must be locked after installation but some factory apps have deleted
to recover this apps you need to unlock your bootloader and flash twrp to recovery2 not recovery (fastboot flash recovery2 twrp.img) then install this zip via twrp, then re-install B181 again
normaly your phone must be in his factory stat
(sorry for bad english)

Many thanks for your help.
My bootloader is already unlocked, on the second paragraph you wanted to say "to lock the bootloader". I am correct?
I will do this as soon as possible and will come back with updates about the status.
A lot of steps, I hope it will go smooth enough for a begginer like me ...

No , after the installation of B181 (step 2)the bootloader will be locked, you need to unlock it again to flash twrp and installa the apps zip then re-install B181 to relock the bootloader (locked stat)

Well, it seems that I am out of luck, when I have arrived at home, the links provided by you I think just stopped working (it was impossible to download the files from work) and I cannot find the files that you are talking about.
Firmware finder is giving me only the files as below. Any chance that at least VIE-L29C185B181 to be the right one? I have attached the picture below.
Corrected: Only the last from your links is working, a 329 Mb file.

all links work for me
you find the files here
http://consumer.huawei.com/eg-en/support/phones/p9-plus/
download :
-P9 Plus Rollback Package (VIE-L29, from Android 7.0 EMUI 5.0 to Android 6.0 EMUI 4.1, C185B300, MiddleEast&Africa)
-P9 Plus Firmware (VIE-L29, Android6.0, EMUI4.1.1, C185B181, MiddleEast&Africa)

Hi, thank you for your patience.
It happened something strange last night, when I have tried to download the files I was redirected to a page where it told me that the connection was refused by server. This happened every time when I tried.
In the morning, magically, the links were valid and everything worked as you said. I do not have a proper explanation about what it happened.
Now, for reasons that I do not know, the download speed is very low, approx. 80kb/s which will give me more than 1 day to download the files (at least the biggest one).
I already started downloading, hopefully all will be ok.
I will keep you informed.
Again, many thanks for your help.

Wait. VIE-L29C636 only have VIE-L29C636B180 not VIE-L29C636B181.
xzanium said:
yes just reboot and the stock recovery must be come back
now to unlock the bootloader you need to install the B181 (download here) but if your current version is B360 you need to rollback to B300 (download here) first then to B181
steps
1- extract "update.app" from the B300 zip to dload folder in SDcard and install it with the 3 buttons methode
2- extract "update.app" from the B181 zip to dload folder in SDcard and install it with the 3 buttons methode
normaly the bootloader must be locked after installation but some factory apps have deleted
to recover this apps you need to unlock your bootloader and flash twrp to recovery2 not recovery (fastboot flash recovery2 twrp.img) then install this zip via twrp, then re-install B181 again
normaly your phone must be in his factory stat
(sorry for bad english)
Click to expand...
Click to collapse

Vie-l29c185b181

xzanium said:
restore recovery from recovery2 :
go into twrp
advance -> file manager -> /dev/block/platform/hi_mci.0/by-name/
copy recovery2 to SDcard (or other place)
rename copied recovery2 to recovery
recopy the file to /dev/block/platform/hi_mci.0/by-name/
Click to expand...
Click to collapse
First of all, I have downloaded all the necessary files, but...
Unfortunatelly, I did as above instructions but the phone still has twrp instead of stock recovery. What can I do??

what is your current version?

Vie-l29c185b360

here is the recovery.img from B360 package : Mega
flash it to recovery and recovery2

Thanks.
I have tried to flash it but I have the error:
error: cannot open 'recovery.img'
The file is in the same directory with fastboot and the command is:
fastboot flash recovery recovery.img
---------- Post added at 07:50 PM ---------- Previous post was at 07:19 PM ----------
My mistake, apologise for this. The file was in the same folder, but I was typing the command in another folder.
Now for recovery2 what is the command? I cannot find it anywhere.
fastboot flash recovery2 recovery.img?
---------- Post added at 07:54 PM ---------- Previous post was at 07:50 PM ----------
Another question. In recovery2 shouldn't be the eRecovery?
I am asking this because maybe the guys from customer support/service will check this stuff...

fastboot flash recovery2 recovery.img, yes this is the command
recovery = recovery2 but they boot differently (recovery boot as reset factory or updater , recovery2 boot as eRecovery)

cristist50 said:
First of all, I have downloaded all the necessary files, but...
Unfortunatelly, I did as above instructions but the phone still has twrp instead of stock recovery. What can I do??
Click to expand...
Click to collapse
Why dont you just flash stock recovery.img from twrp?

cristist50 said:
..... Apologise for the question but I am new in that ....
Click to expand...
Click to collapse
@lockmunk: I do not know how to do it, even for using fastboot and adb commands I have done a lot of research on the web.
@finally, I have flashed recovery.img that you gave me and also checked the phone:
- Volume up + power button pressed -> stock recovery
Now I will try the next step ...

Just another question, how can I boot in recovery2?

P20 Pro - Bricked - tried everything...(!)

I was rooted through Magisk on firmware .255, but I saw an approved update for firmware .280 which I wanted, and I also wanted to go back to stock for a while. I downloaded the update.zip, extracted the .img needed and flashed accordingly; cust, erecovery, system, cache, kernel, recovery, userdata, etc, all I could.
I now can't get it to boot no matter what I try. I always end up on the screen "Your device has been unlocked and can't be trusted" and then stuck on "Your device is booting now". I can get into eRecovery and/or flash TWRP.
I've tried the below;
Flashing dload folder on a USB OTG
Flashing update zip in TWRP
Flashing update zip with Huruupdater in TWRP
Flashing through fastboot update (update.app extracted)
Flashing through fastboot update_full_base (update.app extracted)
Going through HiSuite - it sees the recovery but then says "No recovery packages found for your phone"
Wipe data etc.
I did forget to remove fingerprint security before I did this, my bootloader is unlocked and FRP.
Genuinely never bricked a phone before! Any help would be appreciated.

I think it's because I need to flash boot.img but I can't see that when I extract from update.app
Does anyone have one please?

Don't make me buy a pixel tomorrow!

belloni said:
I think it's because I need to flash boot.img but I can't see that when I extract from update.app
Does anyone have one please?
Click to expand...
Click to collapse
it because there's no boot.img for EMUI 9, it's recovery_ramdis.img and kernel.img did you flash that ?
try to pull recovery_ramdis.img from the Update.app and patch it using latest magisk 19.4 and flash it then try to boot again

otonieru said:
it because there's no boot.img for EMUI 9, it's recovery_ramdis.img and kernel.img did you flash that ?
try to pull recovery_ramdis.img from the Update.app and patch it using latest magisk 19.4 and flash it then try to boot again
Click to expand...
Click to collapse
Yeah I've flashed those two.
How can I patch it if I can only get into TWRP?

belloni said:
Yeah I've flashed those two.
How can I patch it if I can only get into TWRP?
Click to expand...
Click to collapse
EDIT: I've found the old magisk_patched.img but when I flash it says "FAILED (remote: partition length get error)

belloni said:
Yeah I've flashed those two.
How can I patch it if I can only get into TWRP?
Click to expand...
Click to collapse
from other phone with magisk installed.
other thing you might want to try is enter stock recovery (not TWRP) and wipe /data and cache from there
just a heads up though,
your way of updating the OS is totally dangerous, you could.messed up partition,
you should use EMUI Flasher instead

I have a guide to fix this in the guides section. Follow it and you'll be fine.

Find somebody that had a p20 pro rooted to send you a backup of their software (with the data partition wiped).

https://forum.xda-developers.com/showpost.php?p=79107368&postcount=82