Good Day, I was reasearching a bit about another problem when i came accros this thread. for those still facing this problem, just put the unit on charge, leave the unit for 5 mins. then unplug the unit and put the unit back on charge and leave it. in most casses that flashing red light is the unit running a self calibration test. sometimes the battery is just drained far beyond the level it should be. in most casses the unit will work fine in an hours time if my instructions were followed. also remove the sd card and sim card and any trays in the unit and close the flaps if you still have them attached.
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