To turn on a samsung android phone without using the power button follow these steps:
- Charge the phone if full discharged
- Remove charger
- Keeping pushed home button and volume down connect the charger until you see the download mode on the screen
- You will see below Volume down: Cancel (restart phone) [it’s what we need restart the phone]
- Release the buttons and disconnect the charger
- Push volume down
- Phone will restart, turning itself on
