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Sierra Wireless AirCard 881 AT&T 4G SIM Card not working!
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KosanRio
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Default Sierra Wireless AirCard 881 AT&T 4G SIM Card not working! - 04-24-2012, 01:24 | posts: 10 | Location: Conway, Arkansas

I recently purchased a Sierra Wireless AirCard 881, when I put my SIM card in and try to connect it says "Disconnected from AT&T, Invalid profile" I checked the profile settings and they're all right. Is this something to do with the fact my AT&T SIM card is a 4G LTE SIM card? I've heard you can't use them in 3G only devices, so I'm not sure. Any way around this?
   
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