Huawei
Factory Reset Phone auf Huawei
A factory reset returns your Huawei phone to the state it was in when you unboxed it. Every account, app, photo, message and system setting stored in internal memory gets erased, including your Google account link to the device.
Use this option when the phone reacts slowly, apps crash repeatedly, you cannot fix a software issue any other way, or you are preparing the device for resale or handover. If you only want to remove a single app or clear one setting, a full reset is the wrong tool and you should fix that specific problem instead.
Before resetting, copy photos, documents and app data you want to keep to another device or cloud storage. Make sure you know your current screen lock PIN, since the phone asks for it to confirm the reset.
To start the reset, go to Open the settings ➔ Tap on System & updates ➔ Tap on Reset ➔ Tap on Reset phone ➔ Tap on Reset Phone ➔ Type in your PIN ➔ Confirm with Reset Phone.
Once confirmed, the phone restarts and boots into the initial setup screen, exactly like a new device.