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: ForumGeneral Question about Connectivity for onsite computer repairs. ForumTracking computer and mobile phone usage ForumI lost my phone and its off ForumI lost my phone how do i find it ForumRead only error on memory card ForumHow to get at&t sim in sweden ForumHow to tether to the internet from metro pcs cellular phone ForumVerizon wireless cell towers ForumWhat must i do if i forgot to log off on face book from my phone and lost the ph ForumBluetooth recording software for phone calls on PC More resources Read discussions in other General Connectivity categories Wireless Access Mobile Internet !