iPhone 6S Battery Replacement Program for Unexpected Shutdown

[yes1705]

https://www.apple.com/support/iphone6s-unexpectedshutdown/
How can I check if my iphone 6S bought in November 2015 is eligible for this program?

 

[szeli]

those have Q4 Q5 Q6 Q7 Q8 Q9 QC QD QF QG QH in positions 4 and 5 of the serial number, should be manufactured between September and October of 2015, hence you may consider to replace the battery.

posted in e other thread. i saw e same info on macrumors too...