If your DEXP Plane 7594 3G it does not turn on you must follow a series of recommendations to check what the problem is:
First connect the DEXP to the charger and to the electric current to rule out that it is a problem of lack of battery. If after one hour of charging the DEXP still does not turn on, proceed to the following recommendation.
Try to make a factory reset, you will lose all the data in the DEXP Plane 7594 3G but you can recover them later through the iCloud backup.
If the DEXP Plane 7594 3G does not react to factory reset is likely to be a battery problem, you can call a technician to replace the battery 2580 mAh (milliampere-hours) from Plane 7594 3G, it is a relatively cheap solution.
If none of these methods have worked, it is likely that DEXP Plane 7594 3G s has a broken motherboard or screen problem.