Hard Reset on HTC U-2u

How to Hard Reset on HTC U-2u U Play TD-LTE Dual?

Make sure you turned off your phone.
Hold down the Power button and the Volume Up key for ten seconds.
Wnen you see the HTC logo, release the keys.
Now you'll see the Download mode.
Use the Volume key and the Power button to select "Reboot to Bootloader".
Then go for "Reboot to Recovery Mode".
When you see the "!" image, hold down he Power button and press the Volume Up key.
Use the Volume key and the Power button to select "Wipe data/factory reset".
Press "Yes - delete all user data" to finish the process.
Confirm by pressing "Reboot system now".
That's all! After these actions, your phone data will be deleted.