At&t tech cell phone sim card registeration Tags: Wireless Access Cell Phones At&T SIM Card Last response: October 21, 2010 10:51 AM in General Connectivity Share redneck_wife37 October 19, 2010 6:23:29 PM How can I reregister my sim card More about : tech cell phone sim card registeration buwish October 21, 2010 10:51:54 AM I believe that you'll have to call ATT customer service to register/activate it. Can't find your answer ? Ask ! Publish Related resources General Question about Connectivity for onsite computer repairs. Forum Tracking computer and mobile phone usage Forum I lost my phone and its off Forum I lost my phone how do i find it Forum Read only error on memory card Forum How to get at&t sim in sweden Forum How to tether to the internet from metro pcs cellular phone Forum Verizon wireless cell towers Forum What must i do if i forgot to log off on face book from my phone and lost the ph Forum Bluetooth recording software for phone calls on PC Forum More resources Read discussions in other General Connectivity categories Wireless Access Mobile Internet !