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.xceptions to this are if an iPhone has been manually unlocked by a provider (many CDMA carriers will unlock the SIM card slot on iPhone models even while in contract, you just have to ask), or if an iPhone has ended its contract and the device has been unlocked per request, such as you can do with AT&T.