Here you will find instructions on how to do Blu Tank Xtreme 4.0 hard reset. You can use the steps below to restore factory settings, thereby fix software and system errors on your smartphone, or remove lock pattern. The smartphone Blu Tank Xtreme 4.0 was released in January 2017. It is budget rugged smartphone with 4 inch screen and IP65 certification. You can use Android device under the water for some time, but not too long. Blu Tank Xtreme 4.0 hard reset can be useful to every user of this smartphone. But before you begin to follow steps below, you need to backup data. Hard reset removes … [Read more...] about Blu Tank Xtreme 4.0 hard reset: tutorial with pictures