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Q: Getting too hot after sim card insert - iPhone 4S
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Oct 21, 2015 2:57 PMby Jason L,Hi adnan4u,
It sounds like your iPhone 4s is unusually warm after replacing the SIM card on your iPhone, and the battery life is shorter. This article provides information and troubleshooting tips that could explain the temperature issue.
Keeping iPhone, iPad, and iPod touch within acceptable operating temperatures - Apple Support
The information and troubleshooting tips on the webpage below should help you resolve the battery life issues.
Batteries - Maximizing Performance - Apple
Ciao.
