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kevo1011

macrumors regular
Original poster
Oct 3, 2010
121
0
I need to put the sim from my iphone 5 into an old 3gs. I bought a sim converter. Do I have to call ATT for anything? I have the old unlimited plan and don't want to loose it.
 

runningtowin

macrumors member
Jan 2, 2011
81
0
I need to put the sim from my iphone 5 into an old 3gs. I bought a sim converter. Do I have to call ATT for anything? I have the old unlimited plan and don't want to loose it.

You can tape it in, too. No need to contact AT&T or anything, you're good to go.

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You might want to call them and give ATT you phone IMEI and possible change you plan.

Having the wrong IMEI can cause problems with voicemail

It'll register automatically.

Source: I've had 4 phones in 4 months.
 

kevo1011

macrumors regular
Original poster
Oct 3, 2010
121
0
Voicemail won't effect me. I'm forwarding calls to another phone. Thanks
 
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