Lenovo s650 screen won't open.

Double cleaning can be performed when entering recovery mode.

1. When the phone is turned off, press the power button of the phone and the volume+button for the same time.

2. Release the button after the screen lights up, and wait to enter the recovery mode.

3. Use the volume+and volume-keys to adjust the light bar to "Erase data/restore factory settings", that is, "Erase data and restore factory settings", and then press the power button to confirm.

4. Use the volume+and volume-keys to adjust the light bar to "Yes, delete all user data", and then press the power button to confirm.

5. Wait for a while until the next screen appears, select "Restart the system now" to restart the phone, and press the power button to confirm.

6. Wait for the phone to restart and enter the system.