How to Soft Reset BLU Ultra
Instruction I:
1. Hello. First, remove the phone's back cover and take out the battery.
2. Wait five seconds, put everything back in place and press the Power button to turn the phone on.
Instruction II:
1. Turn your phone around. Take off its back cover and remove the battery.
2. Five seconds long break... now put the battery and the cover back in and press the Power button.
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