How to update Huawei Mate 20 Pro With Locked Bootloader

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marvelboy88

Member
May 7, 2017
32
23
Greece
Because i see a lot of confusion about update of Huawei Mate 20 Pro i will post How to update the Mate with Locked bootloader:

First Make a Backup all data will be deleted and you will start fresh!!!!!!!

After that download this firmware for EU LYA-L29 C432: https://androidhost.ru/T83

If you have LYA-L09 :https://androidhost.ru/T82

After That extract the firmware and put in a usb stick ( no need to creat dload folder already exist in unzipped folder)

Mount an otg usb to your phone then the usb drive

Then dial in phone *#*#2846579#*#* and go to Software Update and then select usb upgrade.

Have a nice upgrade!!!!
 
Last edited:

adicken

Senior Member
Jan 24, 2007
529
74
Stone
Honor Magic6
Do you have proper links for those files please?

Because i see a lot of confusion about update of Huawei Mate 20 Pro i will post How to update the Mate with Locked bootloader:

First Make a Backup all data will be deleted and you will start fresh!!!!!!!

After that download this firmware for EU LYA-L29 C432: <a href="https://androidhost.ru/T83" target="_blank" title="Download from AndroidHost.RU">Download Huawei Mate 20 Pro LYA-L29 hw eu HLRCF Laya-L29C 9.0.0.187(C432E10R1P16) Firmware 9.0.0 r3 EMUI9.0.0 05015KYS [androidhost.ru] (2).zip from AndroidHost.RU</a>

If you have LYA-L09 :<a href="https://androidhost.ru/T82" target="_blank" title="Download from AndroidHost.RU">Download Huawei Mate 20 Pro LYA-L09 hw eu HLRCF Laya-L09C 9.0.0.187(C432E10R1P16) Firmware 9.0.0 r3 EMUI9.0.0 05015KVC [androidhost.ru].zip from AndroidHost.RU</a>

After That extract the firmware and put in a usb stick ( no need to creat dload folder already exist in unzipped folder)

Mount an otg usb to your phone then the usb drive

Then dial in phone *#*#2846579#*#* and go to Software Update and then select usb upgrade.

Have a nice upgrade!!!!
 

AwesomeARC

Senior Member
Feb 27, 2012
440
105
Samsung Galaxy S23 Ultra
I have tried also, cant see USb upgrade.....only Memory card

---------- Post added at 03:16 PM ---------- Previous post was at 02:44 PM ----------

Hey....this is how i did it....

1. i downloaded the firmware
2. Unzipped it.
3. Went to Software folded
4. Copied the dload file to the Memory card
5. used the *#*#.........(numbers ) #*#*
6. Went to software upgrade---> memory card
7....Voila.....it started updating....

Thanks......marvelboy88.....Thanks
 

adicken

Senior Member
Jan 24, 2007
529
74
Stone
Honor Magic6
I have tried also, cant see USb upgrade.....only Memory card

---------- Post added at 03:16 PM ---------- Previous post was at 02:44 PM ----------

Hey....this is how i did it....

1. i downloaded the firmware
2. Unzipped it.
3. Went to Software folded
4. Copied the dload file to the Memory card
5. used the *#*#.........(numbers ) #*#*
6. Went to software upgrade---> memory card
7....Voila.....it started updating....

Thanks......marvelboy88.....Thanks

I followed this and put the dLoad folder onto my memory card. Worked perfectly. :)
 
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Grondah

Senior Member
Jan 7, 2019
267
100
OK, just ordered an OTG adapter which should be here tomorrow. Will give this a shot!
 

cygnus56

Senior Member
Apr 11, 2010
464
25
Oaxaca
many thanks! has updated me perfectly, this method has formatted the device, for next updates what procedure should I take so that it does not erase anything?
 

adicken

Senior Member
Jan 24, 2007
529
74
Stone
Honor Magic6
many thanks! has updated me perfectly, this method has formatted the device, for next updates what procedure should I take so that it does not erase anything?

Honestly mate. Invest in a nano SD card and you won't regret it. Super fast, plus backup to external SD. This method is great and although you wipe the phone you can restore in around 10 minutes.
 

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