Hi,
Try performing a hard reset on your phone.
Be aware that a hard reset will restore your phone to a factory default condition. It will erase all your downloaded apps and user data. It will be like when you first bought it.
Before performing a hard reset, ensure that the charger is not connected and that the external SD Card (if installed) is removed.
Here is a link which shows how to perform a hard reset on your phone. Use the second method shown.
http://www.hardreset.info/devices/blu/bl...
Be patient, a reset once started takes a few minutes to complete.
If there is no response to the procedures used to perform a hard reset then the phone has either a faulty battery or systemboard.
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