Hard Reset HTC One A9 to Unlock Screen Pattern
https://gsmfixer.blogspot.com/2015/10/hard-reset-htc-one-a9-to-unlock-screen.html
Here is a method to hard reset HTC One A9 to remove screen pattern lock and refresh mobile settings. Hard reset reset all your settings and locks to original mobile settings.
- Switch Off the Mobile.
- In the next step press and hold the Volume Down + Power button for a several seconds.
- When you see the three Android images, then release held keys.
- Afterwards press Volume Down to select option "Recovery", and press Power button to confirm.
- Then select from Recovery Mode menu "wipe data / factory reset" using Volume buttons to navigate and Power button to confirm.
- Choose "Yes -- delete all user data" to confirm the whole operation.
- After that select option "reboot system now".
- Good Job! You have Done!