Huawei P40 easy firmware downgrade guide / fixes LZ play chinese app install problems

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schumimtl

Member
Feb 12, 2013
8
0
So I've seen a few people here complaining they can't install google stuff on their phone because they've upgrade it to the latest EMUI version.
Here's an easy way to downgrade to a previous firmware. This works on the P40 version, but it should work on any P40 variant.

1. Download the firmware of your choice from the web. For the P40 european here's a link (it worked on my ANA-NX9 phone:
https://androidhost.ru/XyS

2. Put the ''dload'' folder found in the zip at the root of a usb stick

3. Attach the usb stick to you phone. I take it anyone knows how to do it. Shutdown your phone. Then press and hold volume up and power button until you get to the recovery menu

4. Select Update mode, then select Memory card/OTG update mode

5. The phone will verify and install the firmware

At this point you'll be able to re-install all the google stuff, no more errors when trying to install the Chinese app. Needless to say, disable automatic firmware updates.
 

annexhack

Member
Mar 13, 2020
35
24
Moscow
For region C10 is suitable ?

---
I will answer my own question - Yes, it works with the region c10
 
Last edited:

wayee.wang

Member
Aug 20, 2020
6
0
Hello,

I tried to do the same to downgrade my P40 Pro. I've downloaded the correct firmware from androidhost, device version is the same. But I got an "incompatibility with current version" error when selected to update with USB. Any idea what went wrong and how to get it done properly? Thanks!
 

schumimtl

Member
Feb 12, 2013
8
0
make sure you do it thru recovery

Hello,

I tried to do the same to downgrade my P40 Pro. I've downloaded the correct firmware from androidhost, device version is the same. But I got an "incompatibility with current version" error when selected to update with USB. Any idea what went wrong and how to get it done properly? Thanks!
 

gsavvid

Member
Jan 9, 2013
10
1
does this method works?
i downgrate my p40lite with hisuite to 10.0.1.167 but i still have problems with google play services
 

Samsara69

Senior Member
Dec 14, 2006
112
12
Thats what i am asking, does this firmware works for this version ? I'm afraid to brick it...
 

tserv95

Senior Member
Mar 1, 2015
125
52
Can someone link me the firmware for the C636 P40 Pro Plus to downgrade for lzplay/ google?
 

aziimazhar

Member
Nov 27, 2014
6
3
Hi, anyone know where to find firmware for ANA-NX9 C636E6R4P1? I did find anywhere but seems not found. Mostly is the EUR version firmware. Not sure if I flash to EUR firmware, it will cause any problem or not to my device.
 

NineL11

New member
Jan 10, 2014
0
0
Is downgrade deleting any data on phone? Or just changes the soft

Yes, it will delete phone data. It's like you did factory reset.

---------- Post added at 12:57 AM ---------- Previous post was at 12:48 AM ----------

Is downgrade deleting any data on phone? Or just changes the soft

So I've seen a few people here complaining they can't install google stuff on their phone because they've upgrade it to the latest EMUI version.
Here's an easy way to downgrade to a previous firmware. This works on the P40 version, but it should work on any P40 variant.

1. Download the firmware of your choice from the web. For the P40 european here's a link (it worked on my ANA-NX9 phone:


2. Put the ''dload'' folder found in the zip at the root of a usb stick

3. Attach the usb stick to you phone. I take it anyone knows how to do it. Shutdown your phone. Then press and hold volume up and power button until you get to the recovery menu

4. Select Update mode, then select Memory card/OTG update mode

5. The phone will verify and install the firmware

At this point you'll be able to re-install all the google stuff, no more errors when trying to install the Chinese app. Needless to say, disable automatic firmware updates.

Thanks for the post. My P40 was downgraded successfully. Now with the GMS installation. So far I have tried 2 methods but was unsuccessful. Stuck with adding google account.
Could anyone recommend a method working on this version? TIA
 

p82maarj

Senior Member
Dec 11, 2007
129
92
Seville
I have downgraded my p40 c432 form version 147 to 114 using this method (I did by myself I have just found the thread xd).
Phone has been updated to .121
And I have achieved to install GMS following this method
https://www.youtube.com/watch?v=4vki3DasrYc&t=7s
Good luck!
Yes, it will delete phone data. It's like you did factory reset.

---------- Post added at 12:57 AM ---------- Previous post was at 12:48 AM ----------





Thanks for the post. My P40 was downgraded successfully. Now with the GMS installation. So far I have tried 2 methods but was unsuccessful. Stuck with adding google account.
Could anyone recommend a method working on this version? TIA
 

atdomine

New member
Sep 13, 2020
2
0
any idea how to dowgrade p40 from 147 to lower? this method does not work on page 1. "I have downgraded my p40 c432 form version 147 to 114 using this method" wchich method?
 

loser

Senior Member
May 3, 2006
209
0
So I've seen a few people here complaining they can't install google stuff on their phone because they've upgrade it to the latest EMUI version.
Here's an easy way to downgrade to a previous firmware. This works on the P40 version, but it should work on any P40 variant.

1. Download the firmware of your choice from the web. For the P40 european here's a link (it worked on my ANA-NX9 phone:
https://androidhost.ru/XyS

2. Put the ''dload'' folder found in the zip at the root of a usb stick

3. Attach the usb stick to you phone. I take it anyone knows how to do it. Shutdown your phone. Then press and hold volume up and power button until you get to the recovery menu

4. Select Update mode, then select Memory card/OTG update mode

5. The phone will verify and install the firmware

At this point you'll be able to re-install all the google stuff, no more errors when trying to install the Chinese app. Needless to say, disable automatic firmware updates.

Can you advise the actual files copied in the USB = i am not able to get the phone identify anything from update.zip. I have tried with the zip and update.app at the root as well
 

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