Is AT&T device only phone factory unlocked?

[eyespii]

That sounds correct. As long as you purchase device only and then see the unlock activation in iTunes you should be good to go.

Be aware the AT&T model only supports LTE in the US and Canada. In China it will be 3G. China uses a different Frequency for LTE.

Thanks for the response. Since he doesn't have a nano-sim from either AT&T or China Mobile, will heading down to the AT&T store for a new nano-sim cause AT&T to "re-lock" the device? And it doesn't matter if he uses the phone on AT&T first or on china mobile first, right?

AFAIK, china's rollout of LTE is progressing quite slowly. Basically won't get LTE speeds there.

 

[fierycod]

Can anybody confirm this is true for Canada as well!

I want to grab a no-contract phone here but hopefully it'll be unlocked as well since you guys are reporting unlocked phones when buying it for the full price

 

[Coleman2010]

Thanks for the response. Since he doesn't have a nano-sim from either AT&T or China Mobile, will heading down to the AT&T store for a new nano-sim cause AT&T to "re-lock" the device? And it doesn't matter if he uses the phone on AT&T first or on china mobile first, right?

AFAIK, china's rollout of LTE is progressing quite slowly. Basically won't get LTE speeds there.

After you get the unlock message in iTunes, putting in an AT&T SIM will not relock the phone.

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Can anybody confirm this is true for Canada as well!

I want to grab a no-contract phone here but hopefully it'll be unlocked as well since you guys are reporting unlocked phones when buying it for the full price

They are showing as full price unlocked in the Canadian apple store.