Downgrade android 8 to android 7 is possible? - Honor 9 Questions & Answers

Hello everyone.
I have a honor 9 model AL00 with rebrand for L09 already buy this way. The bootloader is locked and has no other modifications. I have received updates normally and I am currently in STF-L09 8.0.0.385 (C432).
It happens that I would downgrade to any version with android 7 since with this version I could unlock the bootloader with the dc-unlocker tool because in android 8 it is not possible. Is there any way to do this? through the dloader is it possible without brick the phone?
Thanks.

Forgot about any downgrade after recieve firmware with GPU turbo. You can only crash your phone.

rambik33 said:
Forgot about any downgrade after recieve firmware with GPU turbo. You can only crash your phone.
Click to expand...
Click to collapse
I can confirm that. Be careful!!!

Thanks for all

Related

help root huawei p20 lite

hello guys,
i have a huawei p20 lite and i want to root my phone. but can you root it? i tried dc unlocker for the bootloader code but it says unable to read chipset. And all the tutorials i found are outdated cuz they say i have to go to the huawei website to get my code but you can't do that anymore. is there anyone who can help me root my phone?
phone: huawei p20 lite
model: ANE-LX1
EMUI version: 9.1.0
android version: 9
i dont have an external sd card so i wont be able to do it that way either.
would appreciate all help.
Hello
Step 1 Downgrade with HiSuite
Step 2 Flash old service firmware 8 android , your location
geogsm_1 said:
Hello
Step 1 Downgrade with HiSuite
Step 2 Flash old service firmware 8 android , your location
Click to expand...
Click to collapse
Okay so i have succesfully downgraded my phone from 9.0 to emui 8.0. Need a bit help to flash the firmware. I have read and tried so many things that i don't know what to do anymore. This is the first time im rooting my phone this way so kinda new to this. Got a link or guide? don't want to mess it up.
Ok
now what about build and region ? C432 or ?
geogsm_1 said:
Ok
now what about build and region ? C432 or ?
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Click to collapse
yes c432 region the netherlands
https://androidhost.ru/5O5
geogsm_1 said:
https://androidhost.ru/5O5
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Click to collapse
don't i need to unlock the bootloader before i can flash it?
Step 1 needed downgrade and read booloader code
no, you won’t be able to read the code until you patch the low patch, then you can
Hi I want to root same phone. Did you make it work. I don't have sd card or bootloader code either. I am new in this

Which model/version to buy

Hello, I've never owned a Huawei device. If I get the mate 20 pro which model should I get? Which one has the latest Android 10 update and is more often updated? and does it support bootloader unlocking?
Thanks in advance
korom42 said:
Hello, I've never owned a Huawei device. If I get the mate 20 pro which model should I get? Which one has the latest Android 10 update and is more often updated? and does it support bootloader unlocking?
Thanks in advance
Click to expand...
Click to collapse
You won't be able to unlock bootloader as Huawei have stopped selling/making codes available.
IMO all devices get the updates, I believe all variants should have received android 10.

Unlock Boot loader and root the Huawaii Mate 10 lite

Good morning, I had yesterday in front of the boot loader of my Huawaii Mate 10 lite to unlock it to root it, but the keys are no longer distributed. Now I wonder if there is a way to unlock the bootloader in a different way and wisely and root the phone. Does anyone have an idea how I could still do it? I would be pleased to receive an answer. Greetings Blitzmax
Blitzmax123 said:
Now I wonder if there is a way to unlock the bootloader in a different way and wisely and root the phone. Does anyone have an idea how I could still do it?
Click to expand...
Click to collapse
Hi, it's possible using paid services , e.g. "hcu-client" (4euros) . A8 Oreo is't supported, if you are running Oreo , you must downgrade to A7 Nougat via HiSuite.
If the roll back option is not available with your HiSuite ("switch to the older version", it may hapen), you must downgrade to the lower Oreo build version number doing the dload method (flashing Service ROM for your model and REGION (Cxxx)! This process will erase all your data!
Service ROM can be found here: https://androidhost.ru/search.html
. Type RNE- or Rhone- . Before you do anything, read carefully Software Upgrade Guidline in "ReleaseDoc" .

Media Pad M5 Pro (C431) HOW TO CHANGE CUST?

Hi,
I bought 1 year ago the Media Pad M5 Pro unbranded from eBay.
I never received any update till now Still on Android 8.0.0 ( Build Nr CMR-AL19 8.0.0.199 (C431)
Huawei Support told me multiple times there is no update available for my device.
But I think they are wrong.
I think it just got the wrong Cust (C431 is made for "providers" but mine has no brand but this firmware)
C432 receives all the updates from Huawei.
So my question is how I can change my Cust from C431 to C432 or directly flash a C432 firmware?
I hope someone can help me in easy steps I think I am not the only one on the whole internet with this problem but in non-forum a solution.
Thanks
4r44444 said:
Hi,
I bought 1 year ago the Media Pad M5 Pro unbranded from eBay.
I never received any update till now Still on Android 8.0.0 ( Build Nr CMR-AL19 8.0.0.199 (C431)
Huawei Support told me multiple times there is no update available for my device.
But I think they are wrong.
I think it just got the wrong Cust (C431 is made for "providers" but mine has no brand but this firmware)
C432 receives all the updates from Huawei.
So my question is how I can change my Cust from C431 to C432 or directly flash a C432 firmware?
I hope someone can help me in easy steps I think I am not the only one on the whole internet with this problem but in non-forum a solution.
Thanks
Click to expand...
Click to collapse
changing to c432 (which is the m5 wifi version, with Kirin 960s not Kirin 960) is quit risky - bootloop
but u could go for the testpoint method and flash treble gsi android 10, need to open bootloader
https://forum.xda-developers.com/mediapad-m5/how-to/downgrade-unbrick-huawei-device-methods-t3915693
its a bit easier with HCU client and dc phoenix( u need the dc unlocker anyway -to unlock bootloader - unfortunatly no other way) but HCU is 20 bucks time license for 3 days
if you really want the the super easy way there is a guy doing it for 30 bucks but u need to give him access to your windows pc(i wouldnt do that) https://ministryofsolutions.com/paid-services
if u find an easier way pls tell me, i gave an cmr-w09 (m5 wifi) and its running super smooth on havoc os(custom android 10)

REQUEST: oeminfo and cust files to rebrand CMR-W09 C567 to C432

As those affected know, C567 (US version) of MediaPad M5 is stuck at EMUI 8.0.
I managed to unlock the bootloader using the test point method (need to carefully open the device and use PotatoNV program).
However, after experimenting with a couple of Treble ROMS (pphusson's AOSP 11, for example), I decided EMUI was less buggy for me. However, I'd like to be able to upgrade to EMUI 9.1, for which I'd like to rebrand to C432 (Europe version). I understand it's possible to rebrand by changing the cust and oeminfo partitions.
QUESTION: does anyone have a method for modifying these files or can upload them if they have a C432? I understand there are some paid online services that may do rebranding, but would rather leverage the XDA hive!
BONUS QUESTION: if anyone has had a very good experience with some other ROM, would be glad to hear it.
Cheers and thanks in advance for any help or advice!
I've got a magisk rooted CMR-W09 C432 running 9.1.0.160. Maybe I can help you somehow...
But please care: I might have tempered something: I'm currently trying to upgrade to 9.1.0.371 but the updater fails consecutively: Maybe I've borked something e.g. in the bootloader or elsewhere...

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