And as it turns out, Qihoo 360, one of the largest security software vendors in China [1], officially offers this iPhone NAND Flash memory 16GB -> 128GB upgrade

And as it turns out, Qihoo 360, one of the largest security software vendors in China [1], officially offers this iPhone NAND Flash memory 16GB -> 128GB upgrade service backed by a 30-day warranty under its subsidiary 360 Bang for RMB 399 (roughly $60). 360 Bang is a BestBuy GeekSquad-alike Mail-in repair service. [3] [1] https://en.wikipedia.org/wiki/Qihoo_360 https://en.wikipedia.org/wiki/Qihoo_360 [2] http://bang.360.cn/huodong/up128 http://bang.360.cn/huodong/up128 [3] http://bang.360.cn http://bang.360.cn