HT4157: AT&T: How to set up and manage a cellular data account on your iPad

Learn about AT&T: How to set up and manage a cellular data account on your iPad

clindquist

Level 1 (0 points)

Q: says invalid sim

My Ipad is saying invalid SIM, I own three and it was working and now all of the sudden it does this, when I go to my account

iPad

Posted on Nov 15, 2012 12:37 PM

I have this question too

Q: says invalid sim

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Helpful answers

by GrumpyGator,

GrumpyGator Nov 15, 2012 12:42 PM in response to clindquist
Level 5 (4,579 points)

Nov 15, 2012 12:42 PM in response to clindquist

http://support.apple.com/kb/TS4148
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by nyet,

nyet Feb 27, 2013 9:13 PM in response to clindquist
Level 1 (0 points)

Feb 27, 2013 9:13 PM in response to clindquist

I have this problem too. But iPad mini complains invalid SIM after it's locked. Very annoying
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by Kaka Dongguan,

Kaka Dongguan Feb 27, 2013 9:19 PM in response to clindquist
Level 3 (805 points)

Feb 27, 2013 9:19 PM in response to clindquist

Hi Friend,

SIM cards also can be broken or damaged. I advice you to eject the SIM card, clean the surface with an eraser
and place it again into the device. If the problem persists, contact your carrier to replace for a new one.

Hope it will be helpful
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