My iPhone 6s st of the dayshuts Down when it gets cold , difficult to restart
The 6s shuts Down when its 8-10 degrees
iPhone 4, iOS 4.3.3
The 6s shuts Down when its 8-10 degrees
iPhone 4, iOS 4.3.3
I would take it to an Apple Store for evaluation. The phone should work well between 0º and 35º C (32º to 95º F).
Keeping iPhone, iPad, and iPod touch within acceptable operating temperatures - Apple Support
My iPhone 6s st of the dayshuts Down when it gets cold , difficult to restart