Why Is My Data Not Working On My Iphone 13. On the iphone 11 and earlier, the sim card tray is on the right. Access point name, also known as apn is the gateway that connects your mobile network to the internet.
There is a possibility that the network is corrupted and needs to be reset again. Basically, this method makes sure that your iphone operating system is turned off. If iphone cellular data is not working even though it’s turned on in the settings app, try restarting your iphone.