Pwede ko po bang magamit didto sa pinas yung mobile phone from at&t provider? Philippines

Yes u can use it there in philippines
But befote you can use that phone
It must be unlocked first
If i was you ask your dad if he can get it unlocked here in the states

Ah.. okay, thanks po. 

they do unlocking of all foreign service provider phones in greenhills

di ba yung mga phones ng amerika lalo na sa mga service providers dont have sim card? if meron sim card yan, pwede mo magamit dito pero ipapa unlock mo pa yata yan ehhh kasi naka lock yan sa service provider.

just ensure the phone has multi-band.

Yes have it unlocked po.

Usually AT&T and T-MObile has the option to sim subsidy unlock the phone (open-line)
If the phone is still in US, you can advise your dad to contact AT&T to try to unlock it.

yes you must asked for the NCK code or Network Unlocking Code to ATNT . Its a string code na magagamit mo to unlock the phone . yung mga rep naman tutulungan sya mag unlock nun :D hope this helps ..

I think they will just be asked by the representative kung bakit. And I think it may take up 14 days before the sim subsidy unlock takes place sa TMobile halos pareho kasi.