The C900 version - Huawei P9 Lite Questions & Answers

Hi, recently I tried to upgrade my P9 lite to Nougat using Firmware Finder app. I downloaded and installed the B361 version but it was all buggy so I decided to do a rollback to MM. After doing the rollback I got a C900B160 version.
Is this C900 version a problem? Should I change it to C423?
Also, why was the B361 Nougat so buggy? Did I do something wrong?

Carem said:
Hi, recently I tried to upgrade my P9 lite to Nougat using Firmware Finder app. I downloaded and installed the B361 version but it was all buggy so I decided to do a rollback to MM. After doing the rollback I got a C900B160 version.
Is this C900 version a problem? Should I change it to C423?
Also, why was the B361 Nougat so buggy? Did I do something wrong?
Click to expand...
Click to collapse
if you flashed rollback package its ok to get that. just put marshmallow CxxxB161 ( Cxxx- means your number C432 C02 etc.. ) then with 3 buttons method flash marshmallow and you are good to go.

RazOne said:
if you flashed rollback package its ok to get that. just put marshmallow CxxxB161 ( Cxxx- means your number C432 C02 etc.. ) then with 3 buttons method flash marshmallow and you are good to go.
Click to expand...
Click to collapse
I already flashed the MM and it is still a C900 version, I downloaded it from official emui website as I remember.

Carem said:
I already flashed the MM and it is still a C900 version, I downloaded it from official emui website as I remember.
Click to expand...
Click to collapse
You need to flash oeminfo and custom.bin from fastboot .( Your bootloade needs to be unlocked. ) You can check huawei tool thread . There you will find what you need)
Greetings!

Related

rollback from android 7.0 to 6.0, it become l31c900b170 and play store is not working

i have l31c636 but when i rollback from android 7.0 to 6.0, it become l31c900b170 and play store is not working.
i flash rom REVOLUTION RC3 but i want rollback 6.0, i flash C432OemInfo-DUALSIM-P9LITE after i flash l31c636b170 with dload it become l31c900b170 and play store is not working.
please help me :crying::crying::crying::crying::crying:
why do i see many rollback post from android 7 to 6 !? is android 7 having lots of issues does that mean we wont get nougat in Q1 of 2017 !?
also i hope you get your problem fixed!
monodefukt said:
why do i see many rollback post from android 7 to 6 !? is android 7 having lots of issues does that mean we wont get nougat in Q1 of 2017 !?
also i hope you get your problem fixed!
Click to expand...
Click to collapse
this has nothing to do with the official android 7, the custom roms for this phone all have bugs. the official android 7 update will come
pinhpongk said:
i have l31c636 but when i rollback from android 7.0 to 6.0, it become l31c900b170 and play store is not working.
i flash rom REVOLUTION RC3 but i want rollback 6.0, i flash C432OemInfo-DUALSIM-P9LITE after i flash l31c636b170 with dload it become l31c900b170 and play store is not working.
please help me :crying::crying::crying::crying::crying:
Click to expand...
Click to collapse
If you flash <C432OemInfo-DUALSIM-P9LITE> wtf you flash after that firmware with C636 localisation?
Is logic and predictible any flash on <C432OemInfo-DUALSIM-P9LITE>, another then C432 will result in C900 (global) localisation...
pinhpongk said:
i have l31c636 but when i rollback from android 7.0 to 6.0, it become l31c900b170 and play store is not working.
i flash rom REVOLUTION RC3 but i want rollback 6.0, i flash C432OemInfo-DUALSIM-P9LITE after i flash l31c636b170 with dload it become l31c900b170 and play store is not working.
please help me :crying::crying::crying::crying::crying:
Click to expand...
Click to collapse
why did you flash l31 c363 b170 while you use c432 oeminfo? i think that might be the problem
I haven't oeminfo c636
pinhpongk said:
I haven't oeminfo c636
Click to expand...
Click to collapse
I undestand that, but you have to flash C432 firmware...
sorry i dont have oeminfo l31c636
pinhpongk said:
sorry i dont have oeminfo l31c636
Click to expand...
Click to collapse
if you flash c432 oeminfo you need to flash a c432 rom, if you want to flash a c636 rom you need to flash c636 oeminfo
mjz2cool said:
if you flash c432 oeminfo you need to flash a c432 rom, if you want to flash a c636 rom you need to flash c636 oeminfo
Click to expand...
Click to collapse
But i dont have file oeminfo l31c636
pinhpongk said:
But i dont have file oeminfo l31c636
Click to expand...
Click to collapse
then flash c432 rom, or search for c636 if you need it, i don't know where you can find it

L31C432 , what roms can i flash?

Hi,
Just recently bought this phone for spare/workphone. I have installed Android 7.0, model number is L31 and fw version is C432B336.
Im not so experienced in Huawei world and i would like know what other rom version can i flash to this phone? Are all okay as long as its for L31? Or should it always be C432 variant?
mele80 said:
Hi,
Just recently bought this phone for spare/workphone. I have installed Android 7.0, model number is L31 and fw version is C432B336.
Im not so experienced in Huawei world and i would like know what other rom version can i flash to this phone? Are all okay as long as its for L31? Or should it always be C432 variant?
Click to expand...
Click to collapse
anything that works on the l31, c432 means it's the european variant
So all L31 variants work? Or is there differences in lte bands lets say like 432 and 185 variants ?
You can flash whatever rom version you want.
As most of us, we've installed vns-l31c185/c636b360(latest version of Nougat) and we don't have bugs or problems.
No matter what oem info it has (oem info is the Variant/region of the phone, like c432 is for Europe, c185 is for mena , c636 asia i guess, correct me if I'm wrong) The version will be compatible with your phone.
I don't know if there is differences between oem info of each region , personally i installed c185b360+ the additional package of c432b328 over c432b161,( i was in mm and went to nougat) and i dont have problems with mobile data.
@simo255
Thanks for the answers. Like i said i currently have rooted L31c432b336 and revolution recovery.
If i want to update b360 should upgrade through dload method or twrp?
mele80 said:
@simo255
Thanks for the answers. Like i said i currently have rooted L31c432b336 and revolution recovery.
If i want to update b360 should upgrade through dload method or twrp?
Click to expand...
Click to collapse
Via twrp you can flash nougat without changing oem info. If you want to update via dload you must have the oeminfo of the rom you want to install.( So if you are on C432 you can t flash C185 Ffirmware via dload because you havr c432 oeminfo) but be carefull..there arr lots of bricked devicea.
RazOne said:
Via twrp you can flash nougat without changing oem info. If you want to update via dload you must have the oeminfo of the rom you want to install.( So if you are on C432 you can t flash C185 Ffirmware via dload because you havr c432 oeminfo) but be carefull..there arr lots of bricked devicea.
Click to expand...
Click to collapse
Sorry to rub it, but I want to be sure because I already had troubles when upgrading to nougat.
But....so in twrp I can just flash the bigger (abt 1.2gb) file and its should work? No need to flash second smaller zip?
I have had Sony devices past 3 year and I have used to flash those
mele80 said:
Sorry to rub it, but I want to be sure because I already had troubles when upgrading to nougat.
But....so in twrp I can just flash the bigger (abt 1.2gb) file and its should work? No need to flash second smaller zip?
I have had Sony devices past 3 year and I have used to flash those
Click to expand...
Click to collapse
I think you should flash those smaller files too
RazOne said:
I think you should flash those smaller files too
Click to expand...
Click to collapse
Ive ashed the second file and it gaves me errors
Like i did , flash the bigger size and the additional package, take a look at my thread : https://forum.xda-developers.com/huawei-p9lite/how-to/nougat-official-firmware-t3512932
I will follow simo225's instructions.
Now I'm beginning to wonder what is the differences between smaller zip and additional zip, because I thought they were the same :laugh:

rollback

Hello, i updated from MM to nougat with firmware finder. It has big battery drain so i flashed old firmware b161 for vns l21
Its same firmware which was on phone before nougat
but now, in updater it shows new version b371, after roll back and full factory reset it now shows new version, why?
thank you
Nikola_98 said:
Hello, i updated from MM to nougat with firmware finder. It has big battery drain so i flashed old firmware b161 for vns l21
Its same firmware which was on phone before nougat
but now, in updater it shows new version b371, after roll back and full factory reset it now shows new version, why?
thank you
Click to expand...
Click to collapse
I updated with the same method and now i cant access software update and huawei id any solution?
try factory reset, if not help ,rollback to mm
Nikola_98 said:
try factory reset, if not help ,rollback to mm
Click to expand...
Click to collapse
I cant get the code for bootloader unlock

Is there a c900 nougat version

I want to switch AL 10 to C900 (global) noughat. Does anyone hhave a c900 stock rom ? Also is there a noughat available for C900 global?
c|nder said:
I want to switch AL 10 to C900 (global) noughat. Does anyone hhave a c900 stock rom ? Also is there a noughat available for C900 global?
Click to expand...
Click to collapse
Yes, c900 is global version. But you need a stock firmware on top of that. This is the suggestion from Huawei. I am not sure if there is nougat version available for c900.
If you change to c432 you will get plenty of options to choose the firmware especially European firmware. They are very stable, great battery life and you have all the features working properly. Once you change it to c432 you can update to b192 and then you will get system update to b560 and then you can jump to kangvip 577
So I would highly recommend you changing to c432. , all you need is srk tools, Huawei update extractor
This is the video tutorial by somboons or the guy who made srk tools. Just follow this tutorial
It is very easy and clear.
Use c432b192 or b180
Good luck
Don't forget to click on :good:::good::good::good::good:

[Firmware] Which firmware should i use to update to emui 5.xx with VNS-L31 C432 B226?

My phone had to be repaired last week, and the Huawei repair service changed everything in the phone except for the backplate.
However, I am now stuck with emui 4.1.2 in firmware VNS-L31 C432 B226, and i can't find a replacement firmware for the system.
The phone shows no update available in stock.
I have TWRP and magisk installed atm, just so i could try and get a different firmware with emui 5.1 or 5.0 at least, which I did to no avail.
Is there any way to find the correct firmware compatible with this phone?
Googling this firmware gives me no clues as to the correct path to updating this phone.
Should i use an adb/fastboot command prompt to update it, or use the dload method, or even the extract the SYSTEM.img from UPDATE.app method?
I just don't want to revert to an "earlier" version of the firmware with the dload method just to have my phone bricked.
These are the firmware i tried already:
[TO BE UPDATED]
TL/DR:
I have a Huawei P9 Lite repaired to a stock:
Firmware: VNS-L31 C432 B226
EMUI: 4.1.2
in Portugal.
I want to know a compatible firmware or series of firmware patches so i can get
Firmware: VNS-L31 C432 Bxxx
EMUI: 5.xx
Thank you for your time.
Hello,
it's strange that with an unbranded european firmware your phone didn't upgraded to android 7....
Anyhow i never done a forced upgrade but if i were you i wil try with HWOTA update, like explained in this thread.
So first make all your necessary backups, then unroot and finally follow the guide to upgrade.
P.S.: If your phone is dual sim try install B370, if single sim try with B371.
All the best
Dadditz said:
Hello,
it's strange that with an unbranded european firmware your phone didn't upgraded to android 7....
Anyhow i never done a forced upgrade but if i were you i wil try with HWOTA update, like explained in this thread.
So first make all your necessary backups, then unroot and finally follow the guide to upgrade.
P.S.: If your phone is dual sim try install B370, if single sim try with B371.
All the best
Click to expand...
Click to collapse
I tried a bunch of firmwares for emui 5.1 that didn't work, or which had NFC and bluetooth not working. I ended up downgrading to B160, and am now reupgrading to B370 after checking that both of the previously mentioned are working properly. I will update on this issue asap.
Also, it seems like the firmware I originally had was updated in march 2018, so it was really an updated official firmware with emui 4.1. What a weird setup. Could it be to make sure the NFC and bluetooth would be working? I just don't know...
sycoforbidden said:
I tried a bunch of firmwares for emui 5.1 that didn't work, or which had NFC and bluetooth not working. I ended up downgrading to B160, and am now reupgrading to B370 after checking that both of the previously mentioned are working properly. I will update on this issue asap.
Also, it seems like the firmware I originally had was updated in march 2018, so it was really an updated official firmware with emui 4.1. What a weird setup. Could it be to make sure the NFC and bluetooth would be working? I just don't know...
Click to expand...
Click to collapse
Yeah, downgrading to B160 should be a good choise..
Use then stock updater to look forward
Regards
Dadditz said:
Yeah, downgrading to B160 should be a good choise..
Use then stock updater to look forward
Regards
Click to expand...
Click to collapse
I did it and it worked, however i flashed the recovery partition of version VNS-L31C432B380 with TWRP and now can't do a OTA update to B388.
Should I extract the recovery img from a b380 FULLOTA update and flash it to my recovery partition with fastboot?
sycoforbidden said:
I did it and it worked, however i flashed the recovery partition of version VNS-L31C432B380 with TWRP and now can't do a OTA update to B388.
Should I extract the recovery img from a b380 FULLOTA update and flash it to my recovery partition with fastboot?
Click to expand...
Click to collapse
Hey,
surely without stock recovery OTA updates won't work,
so yes try flash it with fastboot, then update to the latest/wanted firmware and finally unlock bootloader,
flash custom recovery and root (even if wanted).
Best regards

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