其实就是在itune里restore / reset 一下,就全解决了。已经与ATT客服核实可用。
http://techcrunch.com/2012/09/26/to-unlock-a-full-price-att-iphone-5-just-restore-it-in-itunes/
这是另一则报道
http://news.cnet.com/8301-13579_3-57521071-37/at-ts-off-contract-iphone-5-can-be-unlocked-with-an-easy-reset/