0919# UQ Japan iPhone 6S To 11PM Clean & Unpaid Supported
Check IMEI First
https://uq-communications.jp/nw-restriction/
if show o or ? then u can submit IMEI for unlock
if show x or - then it is not eligible
Devices must be manufactured after May 2015 to be eligible for unlocking
So Models of 4/4s/5S/5C/6/6P not be supported