problem to upgrade to nougat - Huawei P9 Lite Questions & Answers

hello i think that my system is corrupted i am on L31c432b160 and it is ok, i do the upgrade with hicare to nougat and after that some apps are missing and my version is nrd90m test-keys. how i can resolve it? my only way to have my phone 100% work is to revert back to mm

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Update to Nougat

Hello, I have Mate 8 64gb with model number HUAWEI NXT-L29 that i have bought in Boreno/Malaysia.
Have EMUI 4.0 and software number NXT-L29C636B170.
Why do i don´t get an OTA-update with nougat?
How can i update it to Nougat the easiest way without rooting ??
Thanks/ Simon
Keep checking and u will get update
bluheart said:
Keep checking and u will get update
Click to expand...
Click to collapse
okey, can it be a problem that i live in sweden and use a Swedish sim card ?
Firmware finder apk
Have EMUI 4.0 and software number NXT-L29C636B170.
Why do i don´t get an OTA-update with nougat?
How can i update it to Nougat the easiest way without rooting ??
Thanks/ Simon[/QUOTE]
Install firmware finder and adjust setting to view last firmware
If it can't find nougat update , you can unlock bootloader and update via twrp method
BR//
h4ni said:
Have EMUI 4.0 and software number NXT-L29C636B170.
Why do i don´t get an OTA-update with nougat?
How can i update it to Nougat the easiest way without rooting ??
Thanks/ Simon
Click to expand...
Click to collapse
Install firmware finder and adjust setting to view last firmware
If it can't find nougat update , you can unlock bootloader and update via twrp method
BR//[/QUOTE]
I found the b563 fw but when i tried to update it it stopped at 1 % and the phone rebooted. What can cause the problem ?
Keep checking! Older firmwares have some small optimization to be done. So these guys r releasing slowly
simonijo said:
Install firmware finder and adjust setting to view last firmware
If it can't find nougat update , you can unlock bootloader and update via twrp method
BR//
Click to expand...
Click to collapse
I found the b563 fw but when i tried to update it it stopped at 1 % and the phone rebooted. What can cause the problem ?[/QUOTE]
Be sure you choosed correct model number and try both full & ota files
h4ni said:
I found the b563 fw but when i tried to update it it stopped at 1 % and the phone rebooted. What can cause the problem ?
Click to expand...
Click to collapse
Be sure you choosed correct model number and try both full & ota files[/QUOTE]
On the firmware finder app, disable OTA, and you'll see that the ones that say FULL/OTA will disappear,
and the only FULL that shows up are the older (EMUI 4x) ones. At least that's what happens on
mine. L29C185B321
I just manage to update to b563 by first flash b211 using the dload method, and then i could update to b563 with firmware finder . Thanks for the help everybody !

P9Lite -> "test-keys"

Hi,
i have a P9Lite European version debranded and my last rom was VNS-L31C432B161.
I have uploaded after this an other rom and now I have the Nougat with version NRD90M test-keys.
Is this version "genuine"?
If not, how can I fix it or downgrade to the right rom? (Better if Nougat!)
Thank you for your help.
I have been in the same situation. I have done a restore of my TWRP backup, after that i have done a c432b182 install, after that via OTA i installed the c432b378, and after that i installed the c432b383.
You could do this with the 3 button method, or with the caller (*#*#2846579#*#*).
I hope i helped you a little bit
I have followed this instructions and everything works now perfect!!
Stechguide.com for the downgrade
The HiCare app has automatically detected the new rom for the update and now I have:
VNS-L31C432B370

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

How to update from 3.1 to 5.1 EMUI ? Going to travel tomorrow early morning (urgent)

Hello Everyone,
I had a P10 plus dual sim VKY-AL00C00B152, Emui 5.1 with 7.0 nougat.
I did the rebranding via funky huawei with this firmware : VTR-L09C432B152 and VKY-L29C432B152
However, the model number became : D189-L29 and the build number is NRD90M test-keys.
There is no option to upgrade this firmware via the phone.
How do I get back to EMUI 5.1 with 7.0 nougat with an European Version of P10 plus Dual version ?
If possible, with HiSuite/HiCloud since all of my contacts info is on the cloud.
Thank you very much for this precious help.
Ldes.
You may find the answer in this thread somewhere https://forum.xda-developers.com/mate-9/how-to/guide-mate-9-flash-update-package-t3593108
My understanding is that if you ended up with "NRD90M test-keys" then something went wrong with the oeminfo/cust change from the original to the new cust (C432) version. I may be wrong though.
It should be noted that VTR-L09 is for the P10, not the P10 Plus, so that may be the source of your problem too.
scook94 said:
You may find the answer in this thread somewhere https://forum.xda-developers.com/mate-9/how-to/guide-mate-9-flash-update-package-t3593108
My understanding is that if you ended up with "NRD90M test-keys" then something went wrong with the oeminfo/cust change from the original to the new cust (C432) version. I may be wrong though.
It should be noted that VTR-L09 is for the P10, not the P10 Plus, so that may be the source of your problem too.
Click to expand...
Click to collapse
this is correct.
you only get EMUI 3.1 and NRD90M test-keys when the updated stuffed up. you will need to reflash the update via HWOTA.

Undo Rollback P9 lite?

About a year ago a did a rollback on my Huawei P9lite from Android 7.0 to 6.0. Now i want to update it back to the latest version available.
The phone won't do it automatically and I also can't find the right package online to do it manually. Does anyone have some advice on how to do this?
The current build is VNS-L31C900B160 (It also used to be C432 for europe instead of C900)
The phone hasn't been tampered with aside from the rollback.
Thanks in advance
Jenson
Will a factory reset help? Or will I still be stuck on C900?

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