In Recovery Mode, the touchscreen usually doesn't work. Use the Volume Up/Down keys to move and Power to select.
Overview show * Step 1: Backup Your Data (Don't Skip This!) * Step 2: Open Settings. * Step 3: Access Account Settings. * Step 4: ... The Big Phone Store How to factory reset your Huawei P20 - O2 Press Settings. * Press Settings. * Press System. * Press Reset. * Press Factory data reset. * Press RESET PHONE. * Press RESET PH... O2 UK What if the phone doesn't enter recovery mode using the Volume Up + Power button combo? How do I back up my Huawei phone before a hard reset? Elaborate on specific L21 model variants huawei l21 hard reset
On some older Huawei firmware versions, the recovery menu might be in Chinese. Look for the following options: In Recovery Mode, the touchscreen usually doesn't work