I used to have a Verizon data cellular plan but I cancelled my Verizon account altogether (personal email, etc).
But my iPad still defaults to show "Verizon" in the upper left screen. At home I have wireless with another company,
which allows me to use an iPad from home. How do I buy a cellular data plan with AT&T? When I go into 'Cellular Data Account,'
the screen still defaults to Verizon and says I have an invalid SIM card. This is BS - we don't live in an information monopoly -
how do I choose another cellular plan and erase this default? Thanks for any help!
If you bought a Verizon iPad you must use Verizon as your carrier. If you want to use AT&T you might sell your present iPad and purchase the AT&T version.
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