Hard Reset HTC Tattoo Android Phones

To Hard Reset the HTC Tattoo is almost the same as the other HTC Android Phones. All user data in the device will be lose, and also all settings will be return to factory settings. So back up all important data first before performing it.
Performing a hard reset on all device, you must make sure that the battre power is full, and turn the phone off first, than follow the steps below :

1. With the phone turned off, press and hold the HOME and BACK then briefly press the END CALL/POWER button.
2. Press the ENTER button to begin the reset process.

Tips : If your phone hangs or freezes, remove the battery then wait for 20 seconds, and then re-install it. After re-installing the battery, turn on the phone.