Learn how to wipe the T-Mobile myTouch by LG (E739) through the hardware keys.
Wipe cache partition
If the phone is not working correctly, you may need to master reset it and also clear the cache partition. These two resets clear different parts of the phone storage. Unlike a master reset, wiping the cache partition does not delete your personal data.
To wipe the cache partition, follow these steps:
We're sorry, but this feature is not available for this device.