Open the Settings app
Tap About phone or About device
Find Build number
Tap Build number seven times
Enter your PIN, password, or pattern if prompted
Return to Settings
Open Developer options, usually under System or Additional settings
Open the Settings app
Tap About phone or About device
Find Build number
Tap Build number seven times
Enter your PIN, password, or pattern if prompted
Return to Settings
Open Developer options, usually under System or Additional settings