when i insert sim in my tablet properly as said and dial number and dial number my tablet goes blind and black but if someone

[arshia noman]

My tablet goes blind and black as I dial number but I inserted Sim in it

 

[hang-the-9]

If the tablet screen goes blank when you use the phone function, see if there is an update for the system. If not, you can try a factory reset to defaults. If that still does not help, contact the support line for the tablet.