Turning off Airplane Mode and then turning it on will refresh the whole network services. It looks like the same action as in solution 1, but actually they have different effects.

Just swipe down the screen from the upper-left, turn off cellular data in the control panel and then turn it on. This method seems a no-brainer, but it is the simplest proven method to fix iPhone cellular data issue because this action would reset the cellular service on iPhone. Turn off cellular data button and turn it on

You can use the following solutions to fix LTE not working on iPhone. Some settings might be modified by iOS update, so you can’t use cellular data as usually. Cellular data often can’t be used in the enclosed area. The signal might be blocked in the area like elevator or tunnel. IPhone cellular data problems are often caused by weak signals, loose SIM card, or wrong settings on iPhone. Why is cellular data not working on iPhone after iOS update? Not able to use cellular data on iPhone is quite disappointing but this guide will tell you why the cellular data issue happens and how to fix cellular data not working after iOS update. After all, it is the aim to let users help find the unknown bugs before it is officially releasing. For example, now iOS 16 supports unlocking an iPhone via Face ID while you wear a mask. But after the update process, it is common to find some issues on iPhone like iOS Bluetooth problems or cellular data not working. Updating the latest iOS system can help you get the latest features. I have turned on Cellular data iPhone settings but it is not working. I can't use cellular data on my iPhone 12 since I have installed iOS 16. Cellular data not working after iOS 16 update

Ipassword data recovery for ios 14.5