Apple said the iPhone 6s battery issue isn’t a safety matter and only affects a limited number of iPhone 6s devices manufactured in September and October 2015. You can enter your serial number here to find out if you are affected.
Concerned consumers must contact Apple online, visit an Apple store or authorized service provider to learn whether a specific device is eligible for a fix.
Wireless companies are not participating in the program.
You can visit the official Apple site on the recall here
There appears to be no way to enter your own serial number to determine if your phone is affected.
This recall comes on the heels of another recall related to the iPhone 6 Plus