iPhone 6s and iPhone 6s Plus Service Program for No Power Issues
Apple has determined that certain iPhone 6s and iPhone 6s Plus devices may not power on due to a component that may fail. This issue only affects devices within a limited serial number range that were manufactured between October 2018 to August 2019.
If you believe you have experienced this issue, please use the serial number checker to see if your iPhone 6s or iPhone 6s Plus is eligible for repair, free of charge.
The program covers affected iPhone 6s and iPhone 6s Plus devices for 2 years after the first retail sale of the unit.