honor 9 rollback - Honor 9 Questions & Answers

Hi,
I need help I have a honor 9 (STF-L09 8.0.0.385C482) I downgrade twice 9.1 to 9.0 and 9.0 to 8.0.0.385 with hisuite.
But I can't rollback anymore, I need to rollback to under below 8.0.0.367.
I tried multiple software like
Hisuite 9.0.3 : no more option previous version
Firmware finder : (incompatible or failed update) with sd card and folder dload >> update.app
Hisuite proxy : download firmware but when it's installing I have error message no connexion
I tried to extract update.app and tried to flash system but my bootloader is locked so impossible to flash it.
Anybody have maybe a firmware to rollback below 8.0.0.367 or in emui 5.1 ?

You cant downgrade under below first GPU turbo firmware.

rambik33 said:
You cant downgrade under below first GPU turbo firmware.
Click to expand...
Click to collapse
You mean 8.0.0.385 is the first implementation of GPU turbo feature ? So i cant downgrade below ?
But i read it's from 8.0.0.355 the first GPU turbo added on honor 9.
https://nerdschalk.com/honor-9-and-v9-update-gpu-turbo/

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Hello Community, im using Lineage OS 13 (speedo, spirtix's rom) and i wanna turn back to Stock Lollipop. Can anyone help me?
btw im using PLK-L01
Nancy3i8ht said:
Hello Community, im using Lineage OS 13 (speedo, spirtix's rom) and i wanna turn back to Stock Lollipop. Can anyone help me?
btw im using PLK-L01
Click to expand...
Click to collapse
The downgrade process to lollipop might be difficult. You will have to flash any EMUI based marshmallow ROM before it.
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spirtix said:
The downgrade process to lollipop might be difficult. You will have to flash any EMUI based marshmallow ROM before it.
If you're on EMUI marshmallow ROM:
1) Download rollback package here and place UPDATE.APP in dload folder
2) Type *#*#2846579#*#* on dial pad and perform software upgrade from SD card
3) You should be still on marshmallow after this, so download B130 lollipop firmware
4) Place UPDATE.APP into dload folder and perform software upgrade again.
Click to expand...
Click to collapse
Thank you so much! i will try .
spirtix said:
The downgrade process to lollipop might be difficult. You will have to flash any EMUI based marshmallow ROM before it.
If you're on EMUI marshmallow ROM:
1) Download rollback package here and place UPDATE.APP in dload folder
2) Type *#*#2846579#*#* on dial pad and perform software upgrade from SD card
3) You should be still on marshmallow after this, so download B130 lollipop firmware
4) Place UPDATE.APP into dload folder and perform software upgrade again.
Click to expand...
Click to collapse
He is on LOS...??? How to revert to stock rom from LOS?
Odoslané z PLK-L01 pomocou Tapatalku

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