Support chip: 710 710A 710H 810 820 970 980 985 990 990E 990 5G

Download Here : https://ocgsm.com/services

Welcome to OCGSM KEY Ⅱ, Please read the following carefully

【Login Description】

You can purchase an account through create now

Note: please read and agree to use the help before logging in

【Reset Huawei ID】

1. Start Download Write Bootloader

2. Writing the bottom layer, please replace the normal USB cable

3. Click the Reset Huawei ID button

Tips：If the HarmonyOS version is greater than or equal to version 230

Please downgrade the line brush or OTG to any version below 230 for activation

【Write firmware】

1. Start Download Write Bootloader

2. Writing the bottom layer, please replace the normal USB cable

3. Click the Enable Downgrade button，Only open BL lock and enable degradation

4. Select the write firmware option，Browse the firmware script, Click start

【Repair Chip is damaged】

1. Start Download Write Bootloader

2. Writing the bottom layer, please replace the normal USB cable

3. Click the Repair Chip is damaged button，Restart the phone

Tips：If the HarmonyOS version is greater than or equal to version 230

Please downgrade the line brush or OTG to any version below 230 for Repair