lumia 525 automatically restarting...

[munshinahinrahaman]

nokia lumia 525 is restarting automatically...Three lumia 525 are having the same problem which started last night, two with developer preview windows 8.1 and one with windows 8 OS...

 

[munshinahinrahaman]

this issue is terrible, another lumia 520 started behaving the same, and i don't know why this problem started together in all these 4 devices at the same time...scan memory card option is coming and all the apps in memory card ar showing "attention required"...
what's happening??? can anyone please explain...

 

[anon(8141431)]

what's happening??? can anyone please explain...

 

[Ahmed Jawwad]

my nokia lumia 525 automatically restarting...how can fix this problem

 

[stocktiki]

My Nokia 810 (Amber) and Nokia 830 (faux Denim) started to restart. Not sure why started now.