How to downgrade to emui 9? - Huawei Mate 20 Pro Questions & Answers

HI, i have a Mate 20 Pro updated to last emui 12. Is it possible to downgrade to emui 9? I ask this because the face unlock is not good when i am lying in bed. I remember that in past when i purchased it in the same situation the face unlock was really better. So..
Thanks for help!

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mate 10 face unlock

Hi guys. Does anyone know when will fave unlock be available for mate 10?
March and April security updates are on Firmware Finder for Mate 10 (but not approved yet). Sadly in the changelog there is no mention of any new features except for the Google security patches.
Hopefully we get Android 8.1 with face unlock and some other features from P20 phones
kazprotos said:
March and April security updates are on Firmware Finder for Mate 10 (but not approved yet). Sadly in the changelog there is no mention of any new features except for the Google security patches.
Hopefully we get Android 8.1 with face unlock and some other features from P20 phones
Click to expand...
Click to collapse
I have Mate 9 with EMUI 5.0.
P10 is having EMUI 5.1 and that NEVER come to Mate 9 so i will not hold my breath..
Chinese Mate 10 already got Face Unlock feature in the update of 128 firmware. I have teseted two weeks ago and reverted back to c636. Waiting for c636 update.
I found these entries in the Settings Database app. What do you guys think?
tboy2000 said:
I found these entries in the Settings Database app. What do you guys think?
Click to expand...
Click to collapse
It should arrive, shouldn't it?, mate 10 lite got it
kpangercic said:
I have Mate 9 with EMUI 5.0.
P10 is having EMUI 5.1 and that NEVER come to Mate 9 so i will not hold my breath..
Click to expand...
Click to collapse
didnt mate 9 get emui 8 with oreo?
The Ported Face unlock works great on my mate 9 8.0 C567. Hope someone will port it to Mate 10 pro
Sent from my BLA-A09 using Tapatalk
rogconnect said:
The Ported Face unlock works great on my mate 9 8.0 C567. Hope someone will port it to Mate 10 pro
Sent from my BLA-A09 using Tapatalk
Click to expand...
Click to collapse
no need to port it as it will be soon on our device officially
Allready available with Beta FW through paid service.....Installed it days ago BLA29-8.0.0.140 (c432) -still March security patch- and it is working fine...assuming as it is in Beta allready that it will arrive officially quite soon....

Does bootloader unlock prevent OTA updates?

Hi guys, I've been out of the Huawei scene for a while, since changing my daily driver away from my Mate 7 (still got the phone though), so unsure of how things work in Huawei world now. My son has purchased a Mate 10 (black) recently (has Mate 7 already also) and with the news of Huawei soon stopping bootloader unlock, I have logged into my Huawei account and got his unlock code before things turn to poo.
If I unlock his Mate 10, will it still take OTA updates like the Mate 7 did? We don't want to root or mod it. Just unlock for the future when Huawei do stop supporting the phone and only then look at custom ROMs that get updates.
Do OTA's re-lock it?
It's on Oreo from new. Apparently it has a notification for OTA update right now, should I unlock it before or after the update?
I feel like a total n00b lol. Even my Axon 7 is locked still. Android is so much better these days that you don't have a pressing need to mod them.
BTW, the Mate 10 is really nice, I would have one for myself too, but the Axon 7 still works great. Shame it doesn't have the amazing battery life of Mate 10 :silly:
Hi, Unlocked Bootloader doesn't prevent OTA Updates or gets relocked on a software update.. But please make sure that you don't have TWRP or any sort of modifications on your device else it'd turn out really bad.. I always download "Full Package" from the Software Update Section in Settings so I can make sure all my important images can be flashed by the update..
Regards
Thanks for that :good:
Ok, well I will get him to do back up of his data and SMS and call logs etc and then I'll unlock it. It's a long weekend here in NSW Australia so he can spend some time setting it up again He needs it for work. Uses the dual SIMs like I do.
RobboW said:
Thanks for that :good:
Ok, well I will get him to do back up of his data and SMS and call logs etc and then I'll unlock it. It's a long weekend here in NSW Australia so he can spend some time setting it up again He needs it for work. Uses the dual SIMs like I do.
Click to expand...
Click to collapse
Probably better when you do the OTA update first and then unlock the bootloader.
It's now unlocked
Restoring the backup then he can set it up further. Didn't do the OTA first just in case there was a bootloader change in it.
Hopefully that wasn't a mistake.
Edit:
Looks like the update is mainly for face unlock and security patches. Done
P8 lite 2017
When I unlocked the bootloader for my p8 lite 2017 , it stopped getting updates even the update section in the settings is gone ??? what should i do

Rooting for Huawei P20 Lite

Is rooting a Huawei phone still possible, as they dont give out bootloader codes anymore?
I would be interested in the solution too...
I think its not good idea to try root before android pie relese...
pls help me...
What does it mean "pie release"?
Huawei closed codes generator, but it is still possible. DC Unlocker, read guide. Its generate unlock code but cost is about 4$. Pie release is next android with number 9. Now p20 lite has android 8 Oreo, next android is 9 Pie, next androit 10 on first letter R.
https://www.dc-unlocker.com/how-to-read-huawei-bootloader-unlock-code

How can I downgrade my Android 8.0 to 7.0? (Mate 10 lite)

Hey,
Altough I bet there are hunderds of threads like this, I decided to create another one
So because I have my mate 10 lite around 2 years (a bit less), I would like to get an upgrade. Sadly I won't get Android Pie officially, so I'd like to install a custom ROM.
To do that I need an unlocked bootloader which dc-unlocker is only able to do below Android 8.0.
So I would have to downgrade my Android 8.0 (Btw, EMUI is also 8.0) to Nougat 7.0.
The method through HiSuite didn't worked since it just says "Newest Developer Version installed", but nothing with "Switch to other versions".
Also through Firmeware Finder (Playstore App) it doesn't show me the option "In-App Proxy", so I guess it doesn't work either with that.
Is there another way to do, if so I would really appreciate any help
Thanks in advance
My Mate 8 also keeps on Android 8.0, without any update to Android Pie officially.
If the official utility, HiSuite, which is developed by Huawei doesn't work, we maybe have no way to downgrade the system software on Mate 10 or Mate 8.
xda_user883 said:
Hey,
Altough I bet there are hunderds of threads like this, I decided to create another one
So because I have my mate 10 lite around 2 years (a bit less), I would like to get an upgrade. Sadly I won't get Android Pie officially, so I'd like to install a custom ROM.
To do that I need an unlocked bootloader which dc-unlocker is only able to do below Android 8.0.
So I would have to downgrade my Android 8.0 (Btw, EMUI is also 8.0) to Nougat 7.0.
The method through HiSuite didn't worked since it just says "Newest Developer Version installed", but nothing with "Switch to other versions".
Also through Firmeware Finder (Playstore App) it doesn't show me the option "In-App Proxy", so I guess it doesn't work either with that.
Is there another way to do, if so I would really appreciate any help
Thanks in advance
Click to expand...
Click to collapse
James_Watson said:
My Mate 8 also keeps on Android 8.0, without any update to Android Pie officially.
If the official utility, HiSuite, which is developed by Huawei doesn't work, we maybe have no way to downgrade the system software on Mate 10 or Mate 8.
Click to expand...
Click to collapse
It all depends on your current build version. If I remember correctly the ability to use DC was patched in most custs in May or June. So if your security date is prior to May you can still use DC. If not you're out of luck. You can use testpoint to flash board software and then get unlock code through there, but it requires you to remove the back of your phone which will break IP rating and void warranty (If it's still under warranty)

Honor View 10 - Downgrade to Android 9.0 ?

Hello everyone.
Planning on installing OpenKirin ROM on my BKL-L09, i have to downgrade to EMUI 9.0.
Problem is HiSuite doesn't let me go lower than 9.1. I then wanna ask you guys if a downgrade on 9.0 was possible.
Will the 2018 security patch make it impossible ? Is there a way even to do it ?
I know forcing HiSuite to install 9.0 is a bad idea, because i tried installing 8.0 which bricked the device entirely. I had to buy a service to reflash the stock rom.
Bootloader is unlocked.
Have a nice day, guys. Take care of you.
@Soriahz Can you please post the procedure to downgrade from EMUI 10 to 9.1? I am unable to do so on my BKL-L09.
micki9559 said:
@Soriahz Can you please post the procedure to downgrade from EMUI 10 to 9.1? I am unable to do so on my BKL-L09.
Click to expand...
Click to collapse
Simply plug the phone while being booted in Android to your PC. Launch HiSuite and go to Software update. Click then on the right part which is called "other versions". You will then have the 9.1.0 update available.

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