Mate 10 Lite (RNE-L21) downgrade help - GSM-Forum

AM19x · 07-27-2019, 10:11

hi,
i have mate 10 lite (RNE-L21C85B142) with latest android 8 & security patch may 2019

i want to downgrade, but I'm unable to find a downgrade file with SAME CUSTOMIZATION...
in support area i found these 2 builds

Rhone-L21C432B120
Rhone-L21C10B130

what should i do now?

plz help

AM19x · 07-27-2019, 11:58

is it fine to downgrade with any of these available support files?

AM19x · 07-28-2019, 18:18

failed to downgrade
log:

Quote:

DC Phoenix 0.0.0.108
user:AM19x

Looking for a device in upgrade mode
No devices detected in upgrade mode
Device found: FFY5T18530009780

7/28/2019 10:16:01 PM Starting to write device in FASTBOOT mode...

Looking for a device in fastboot mode
Device found: FFY5T18530009780

Getting IMEI...
Getting build number...
Getting model ...
Getting battery state...
Getting backdoor info...
Getting lock state info...
Getting lock boot info...

SN:FFY5Txxxxxxxxxxxx
IMEI:xxxxxxxxxxxxxxx

IMEI1:xxxxxxxxxxxxxx

MEID:00000000000000
Build number: :RNE-L21 8.0.0.347(C185)
Model: RNE-L21
Battery state: 3568mv
OEM lock state info:
FB LockState: LOCKED
USER LockState: LOCKED
OEM get bootinfo:
locked

Device with unsupported security patch

Process identifier:17223266

Erasing ver .. .

Extracting partition XLOADER...
Writing XLOADER partition
XLOADER partition UPDATE :FAIL Command not allowed

Device with unsupported security patch
7/28/2019 10:16:27 PM Writing device finished - INCOMPLETE

Namelocked · 07-31-2019, 13:51

Firmware requests reviewed and accepted only here https://forum.dc-unlocker.com/forum/...are-here/page9

AM19x · 07-31-2019, 15:32

Quote:

Originally Posted by Namelocked

Firmware requests reviewed and accepted only here https://forum.dc-unlocker.com/forum/...are-here/page9

sir I'm not asking for a firmware, I'm just asking "is it safe to flash"?

Namelocked · 08-01-2019, 16:19

Quote:

Originally Posted by AM19x

sir I'm not asking for a firmware, I'm just asking "is it safe to flash"?

It is safe to flash only with same firmware version that is in mobile already via sd card/upgrade mode.

AM19x · 08-03-2019, 15:01

Quote:

Originally Posted by Namelocked

It is safe to flash only with same firmware version that is in mobile already via sd card/upgrade mode.

oh means no solution available :/ :/ :/

07-27-2019, 10:11	#1 (permalink)
AM19x Freak Poster Join Date: Oct 2015 Posts: 203 Member: 2466934 Status: Offline Thanks Meter: 54	Mate 10 Lite (RNE-L21) downgrade help hi, i have mate 10 lite (RNE-L21C85B142) with latest android 8 & security patch may 2019 i want to downgrade, but I'm unable to find a downgrade file with SAME CUSTOMIZATION... in support area i found these 2 builds Rhone-L21C432B120 Rhone-L21C10B130 what should i do now? plz help

07-27-2019, 11:58	#2 (permalink)
AM19x Freak Poster Join Date: Oct 2015 Posts: 203 Member: 2466934 Status: Offline Thanks Meter: 54	is it fine to downgrade with any of these available support files?

07-31-2019, 13:51	#4 (permalink)
Namelocked Product Supporter Join Date: Sep 2013 Location: Lithuania, Kaunas Posts: 4,690 Member: 2023196 Status: Offline Thanks Meter: 1,892	Firmware requests reviewed and accepted only here https://forum.dc-unlocker.com/forum/...are-here/page9