After launching a repair program two weeks ago for iPhone 6s devices experiencing unexpected shutdowns due to a faulty battery, Apple has now updated its support document with a web tool that lets you check if your iPhone 6s is eligible for a free battery, MacRumors reported Thursday. You only need to enter your device's serial number to see if you're eligible for a battery replacement service.
Here is how to find out if your iPhone 6s is eligible for a free battery replacement