to make calls and get in contact with other people around the world and for other reasons
no
With the increase in development of technology, there are various different platforms for mobile software. While many phones use windows mobile software, not all do.
radio waves.
Yes, you should be able to use a T Mobile SIM card on any T Mobile phone.
because without it we wouldn't have mobile phones right now
Boost Mobile has a wide variety of HTC phones and accessories.
No, most phones use signals from towers and a "switch" that turns it into a landline call. If you aren't close enough to a tower you won't have a signal to use it.
NO
Yes, you can use mobile apps on the tablet. There are many apps made for phones that will work just fine on phones.
The phones that are available for the no contract prepaid plan with T-mobile are Concord, Nokia X2, T Mobile 665, LG Optimus, My Touch, Blackberry Curve, and just about any Samsung phone. All T-mobile phones are also available to use prepaid.
Ergonomics are important for mobile phones because they insure that the mobile is safe and comfortable to use.
Well . There are two major mobile carriers. One is called China Mobile, and cell phones with their service usually use sim cards. And the other one is called China Unicom, and they are using CDMA which does not use sim cards.