有锁AU 的6 想用4G 但是不知道 是选超雪黑卡，还是选GPP7.0

超雪，但是4G都不是很稳定

Dear Mr. Alan Lee:
Thank you for taking your precious time to write to us. I am Fujihira.
We are sorry for the inconvenience and trouble caused to you.
Yet, we have no legal and contractual obligation to SIM-unlock your iPhone6.
I am truly sorry for being unable to cater to your request at this time.
Thank you for your understanding.
With best regards, 这是AU给我的回信。