Downgrade C900B160 - Huawei P9 Lite Questions & Answers

Hello,
I have a stock C02 version on my phone but i flash the C432B161 version. When i configure the phone, it not sign in on google (opens and closes the app). I download th C02B123 and when i try to update gave me an error "Install fail".
How can i resolve this problem without unlock bootload?
Thanks for the help and sorry for my english.

You have to reflash oeminfo to C02. Otherwise it won't let you install the update.app. You have the bootloader unlocked, right?

Hello, thanks for your help.
I Solved my problem flashing the oeminfo from europeu and now i was with c432 version.
I need to unlock bootloader but now when i power Phone IT shows me a message in Red that my device is not trusted. Can i remove that message? I have no problem with that but i like to remove.
Thanks

How to reflash oem? I,m now on c900 and i want to flash c432
Inviato dal mio HUAWEI VNS-L31 utilizzando Tapatalk

Related

Mate 8 FRP Unlocked Problem

hi guys
i have problem with my mate8 nxt-l29
in fastboot i want to relock my phone , but i get error : (remote: root type is risk).
phone unlocked
FRP unlocked
and my phone cant boot into android or recovery or custom recovery or dload mode or power + power - power mod ...
please help me
Maybe explain more what firmware do you have and why it's not booting?
phone cant boot , so i cant remember what firmware was on the phone
also try manually flash with fastboot ROM nxt-l29c185b103 , 130 , 180 , 190 ... ( recovery boot cust catche system )
but no boot , no recovery ....
Just i can enter the fastboot with :
Phone Unlocked
FRP Unlock
What did you flash so the phone stopped booting? Maybe try knife tool to unbrick ur phone.
U can try DC Phoenix
need to:
flash stock recovery
flash stock official firmware (dload)
wipedata/factory reset
reLock your bootloader
Inviato dal mio NXT-L29 utilizzando Tapatalk
PROBLEM SOLVED
my rom stocked on C432 and mine is C185 , so flash manually [cust,catche,system,boot,recovery]
after that entered recovery [stock] wipe and factory and reset , after that phone get LOCKED and everything get ok
THANK YOU ALL.

P9 Lite L23C605 boot looping after bad flash bootloader and FRP locked

Hi guys I made a stupid mistake trying to update my p9lite vns-l23 in 3 buttons way (volup voldown and power) the device gave me an failed flash error and i cant do nothing, so i ask
1: I see this youtube video https://www.youtube.com/watch?v=2pmsXY97Kss putting the device in download mode, are there some programm or software that can flash the device in this mode?
2: is there a solution with some update.app and dload folder with 3 keys pressed for this?
thank you.:good:
First donwload the rollback file than it in huawey page of vns-l31, yes you will say than your it l23 dont worry!!! Ok download and unzipp there will be the update.app do the same like the update with 3 bottom and will give a error at 99% ok now, dowload the rom l31 vB160 full not ota and unzipp and put same with 3 bottom, will pass or give error at 99% but will turn on, now setup and unlock de bootloader active oem unlock firt at all and then with the boot open flash twrp and flash oeminfoDual L23 ok now seach the L23C605B120 rom unzipp and put with 3 bottom and will finish ok and that it, i know it big proces but its the only one way out, i do by that way and work perfect,
Enviado desde mi HUAWEI VNS-L23 mediante Tapatalk
i´ll give it a try thanks!
J.Elis85 said:
First donwload the rollback file than it in huawey page of vns-l31, yes you will say than your it l23 dont worry!!! Ok download and unzipp there will be the update.app do the same like the update with 3 bottom and will give a error at 99% ok now, dowload the rom l31 vB160 full not ota and unzipp and put same with 3 bottom, will pass or give error at 99% but will turn on, now setup and unlock de bootloader active oem unlock firt at all and then with the boot open flash twrp and flash oeminfoDual L23 ok now seach the L23C605B120 rom unzipp and put with 3 bottom and will finish ok and that it, i know it big proces but its the only one way out, i do by that way and work perfect,
Enviado desde mi HUAWEI VNS-L23 mediante Tapatalk
Click to expand...
Click to collapse

huawei p9 lite vns l21-generic_a15

I flashed my Huawei p9 lite VNS-L21 DUALSIM with vns l21c150b360 rom with bootloader unlocked and frp unlocked.
Now my build number is generic_a15 and build number NRD90M test keys.
I made factory reset and the phone stay in the same condition with bootloader unlocked and frp unlocked.
I can't install any rom official or custom with dload folder.
I can't install any rom official or custom with TWRP also.
In addition i receive that ''data partition has damaged seriously you need to reset your device to factory defaults.this will erase all your date''.I proccced to factory reset but the promblem exist.
Also i cant make roll back,i cant install oeminfo, I can't install twrp.
My phone boot properly but i have no sound and missing some apps.Can you help me in order to istall TWRP and the correct rom?

I bricked my p9 lite vns-L21

It all started when i wanted to downgrade to android 6.0 marshmallow.All worked okay.
But i wanted to upgrade back to 7.0 . i just updated from sd card a wrong dload update and now i can't enter to recovery, i have huawei logo stucked on my phone,i can just enter fastboot and rescue mode but it says phone locked and frp unlock.
What should i do? pls help me
I updated the Huawei P9 Lite Rollback Package For L21C432 (EU) when i was having a 6.0 l21 b160
pls help me
Maybe you should try to unlock bootloader in fastboot then reinstall stock recovery and try to unbrick with the dload folder method. Good luck
MonsterYpeX said:
It all started when i wanted to downgrade to android 6.0 marshmallow.All worked okay.
But i wanted to upgrade back to 7.0 . i just updated from sd card a wrong dload update and now i can't enter to recovery, i have huawei logo stucked on my phone,i can just enter fastboot and rescue mode but it says phone locked and frp unlock.
What should i do? pls help me
I updated the Huawei P9 Lite Rollback Package For L21C432 (EU) when i was having a 6.0 l21 b160
pls help me
Click to expand...
Click to collapse
What do you mean with "i just updated from sd card a wrong dload update" ? Wrong firmware? And which?

When I update to EMUI 9 I lose unlocked bootloader?

Hello guys,
I have FIG-LX1C432B170 device with unlock bootloader. I install Twrp, create backup and install phhusson's ROM but i miss Emui ROM. I recover backup and when I relock bootloader the device is stuck in Huawei logo and show erecovery every start. I try install stock ROM with Firmware Finder + DNS combo but I get "getting package failed info" error. But the question: when I get Emui 9 and install with normal update mode I lose unlocked bootloader and the device will working good?
Thank you for the helping and sorry my English ?

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