The dust that gets accumulated in the slot prevents the sensors from detecting the SIM.Įnsure this by first ejecting the SIM tray and then cleaning the slot with an unused soft bristle toothbrush or with a paper clip. The SIM Card tray slot must be kept clean and dust free at all times. After about ten to fifteen seconds turn the mode off and see if the SIM Card is getting detected. Visit Control Center and tap on Airplane icon. Let's find out the ways to deal with the problem.

It also highlights the points to be kept in mind if you experience such a problem of iPhone not reading SIM Card in the future. This article will help you understand the possible causes and solutions for the problem that iPhone shows no SIM Card is installed. There is no need to worry if you also see such a message on your home screen indicating an error of SIM Card not detected on the iPhone, because it can be fixed by you at home. It occurs when an iPhone cannot recognize the SIM inserted in it and hence unable to connect to the cellular network, make or receive phone calls, and send messages. iPhone not detecting SIM Card, a common problem troubles many Apple users. This question is asked by iPhone users across the world. I re-inserted the SIM after a few seconds but my iPhone still says no SIM Card. However, my iPhone shows No SIM Card installed. So at&t isn't compatible with Verizon wireless network.My iPhone detects no SIM card recently. I asked the agency who gave me the code to unlock the phone why tve phone wasn't reading my Verizon SIM card they told me that it was because Verizon was not a GSM network. WIth the release/adoption of LTE by the major service providers, using devices on all the LTE networks became possible.Īppreciate your time.Hi I'm having the same problem, I have a working phone from Verizon and my sister gave me an at&t phone, so went ahead an unlocked it o�r my Verizon SIM card in it and it just said emergency calls only. So there is no way to use a VZW iPhone 5 on AT&T (or T-Mobile), or an AT&T iPhone 5 on VZW (or Sprint). These technologies are incompatible with each other and the phones cannot be used on the other networks - CDMA devices only on CDMA networks GSM phones only on GSM networks. was clueless and he just wanted to put the blame on the Verizon SIM.ĭoes anyone have any idea as to why my iPhone does not recognize the Verizon SIM?Īppreciate your time.The iPhone 5 was CDMA (Verizon and Sprint), and GSM (AT&T and T-Mobile). (I borrowed it from a friend and it was a working Verizon SIM).Ĭalled ATT but the ATT rep. Then it was just like someone let air out of my balloon when I inserted a Verizon SIM and my iPhone said NO SERVICE. The unlock process went fine and I even got a message in iTunes saying: 'CONGRATULATIONS! YOUR IPHONE HAS BEEN UNLOCKED!'. Requested and received instructions on how to use iTunes to unlock it. 2 year ATT contract on my iPhone 5 just ended.

Sim card not supported att