If you got your iPhone through a certain carrier, there is a very big possibility that your iPhone is locked. Check Your Carrier Telecommunications Provider How To Fix SIM Not Supported On iPhone? 1. If that is the case, then your iPhone needs some serious updating. This happens especially when you recently updated your system and it was not successful. In most times, system bugs and glitches causes different errors on your iPhone. Failed iPhone System Failed Software Update So, this might just be the reason why your iPhone is not supporting your SIM. It is not all the time that the iPhones which are jailbroken are successful. If your iPhone happens to be jailbroken and you suddenly encounter this issue, your iPhone is having system issues. If that happens, the tray can’t be pushed all the way through. The SIM tray is carved in a way that your card will not ever be placed in wrong way. Your SIM card might just be placed wrongly which causes the SIM Not Supported on iPhone. Although this is very rare, it can still happen to many users. Wrong Placement In The SIM Card Tray Wrong SIM Card Placement So, if you damaged your SIM card while installing it, your iPhone might not be able to read your iPhone SIM card. These cards are very small and very easily get damaged. One of the reasons why is SIM Not Supported on iPhone is when the card itself is damaged. For example, if your iPhone is locked through AT&T, then you can’t use SIM cards from Verizon. This means that you can’t use a SIM from another carrier. Were you able to get your iPhone through a carrier? There is a big possibility that your iPhone is locked with that carrier. iPhone Locked By Carrier iPhone Locked By Carrier

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