What could be planet Earth's biggest water reservoir has been discovered around 400 miles underneath North America, inside mantle rock. Published in the journal Science, researchers from Northwestern University and the University of Mexico say there is evidence of oceans' worth of water tied up deep in the planet's mantle.
Yes you can. Tmobile an AT&T both run on a GMS frquency. Mymalathy answer: You need to unlock from AT&T Network lock,then you can use the T-Mobile Network,You can use the unlo â¦ ck code to unlock it... after unlock it use your phone with any GSM Network Sim card..ymalathy answer: You need to unlock from AT&T Network lock,then you can use the T-Mobile Network,You can use the unlo â¦ ck code to unlock it... after unlock it use your phone with any GSM Network Sim card..
For example, in the USA you could check if an AT&T iPhone is unlocked simply by borrowing a T-Mobile SIM card, placing it in the iPhone, and seeing if the device gets service. Either use a friends SIM card or visit a T-Mobile store and theyâll be able to check for you.ut a SIM card into the iPhone, you donât need to put any facebook, email, or G+, you just put a SIM card into the iPhone to check if itâs unlocked or not. SO easy. Use the SIM Card method. Reply.