Device Guides
I can't turn on my mobile phone
This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.
Possible cause 4:
The phone lock code is turned on: Key in your phone lock code. You can now turn off the phone lock code. If you have forgotten your phone lock code, contact the phone manufacturer for assistance.
List view
1. 1. Find "Screen lock type"
Slide your finger down the display starting from the top edge of your mobile phone.
Tap the settings icon.
Tap the settings icon.
Tap Lock screen and security.
Tap Screen lock type.
2. 2. Select option
You can create several types of phone lock codes. The following steps show three examples:
Create phone lock code using a pattern, go to 2a.
Create phone lock code using your fingerprint, go to 2b.
Create phone lock code using a PIN, go to 2c.
Create phone lock code using a pattern, go to 2a.
Create phone lock code using your fingerprint, go to 2b.
Create phone lock code using a PIN, go to 2c.
3. 3. 2a - Create phone lock code using a pattern
Tap Pattern.
Tap and drag a point to connect at least four points.
Tap CONTINUE.
Repeat the selected phone lock code to confirm.
Repeat the selected phone lock code to confirm.
Tap CONFIRM.
Key in a four-digit PIN and tap CONTINUE.
Key in the PIN again and tap OK.
Tap the required setting.
Tap DONE.
4. 4. 2b - Create phone lock code using your fingerprint
Tap Fingerprint.
Follow the instructions on the display to add a fingerprint.
Follow the instructions on the display to add a fingerprint.
Key in a password and tap CONTINUE.
Key in the password again and tap OK.
Tap the required setting.
Tap DONE.
5. 5. 2c - Create phone lock code using a PIN
Tap PIN.
Key in the required phone lock code and tap CONTINUE.
Key in the phone lock code again and tap OK.
Tap the required setting.
Tap DONE.
6. 6. Turn off use phone lock code
Tap None.
7. 7. Return to the home screen
Tap the Home key to return to the home screen.