Hi chico1025,
The master reset is actually recommended with any major software updates. The steps to reset your device can be found here: http://support.t-mobile.com/docs/DOC-6205#master_reset
Hi chico1025,
The master reset is actually recommended with any major software updates. The steps to reset your device can be found here: http://support.t-mobile.com/docs/DOC-6205#master_reset