Try the device’s built-in recovery options
Use your Google account to reset an Android device
Use your Apple ID to reset an iPhone
Use Find My Device or Find My iPhone if enabled
Enter recovery mode and perform a factory reset
Use a trusted computer and backup software if previously set up
Contact the phone manufacturer or carrier for official support
Provide proof of ownership if required
Restore your data from a backup after unlocking
Set a new password, PIN, or biometric lock after access is restored