Screen always showing demo

[Golperjhuli]

I can not stop my xperia xa1 ultra screen from showing retail demo. So always my handset is showing xperia ad. And my battery is draining out v fast. Tweeted many times, but got no reply . How to get rid of the problem? 

[_alexdon_ · Accepted solution]

@Golperjhuli Please try to dial *#*#73556673#*#* and see if you can get out of demo mode.

[Golperjhuli]

Thank you. The problem solved magically. But facing another problem. My device is charging only upto 60%. Can't find any solution . Please help me again. 

[_alexdon_]

@Golperjhuli try to force your device to shut down by pressing power button and volume up at the same time until it will vibrate 3 times. Charge the device normally after you turn it back on.