Wait 5–10 minutes. Your Nokia X100 will reboot with a completely clean slate. This is the nuclear option of hard reset tools.
The most reliable methods for this specific device involve using the internal settings or specialized PC-based software tools. 1. Recommended: Factory Reset via Settings nokia x100 hard reset tool
Before you wipe everything, ask yourself: Wait 5–10 minutes
A hard reset (also known as a factory reset) restores your Nokia X100 to the state it was in when it left the factory. It wipes all user data: photos, contacts, apps, and settings. nokia x100 hard reset tool