Go to Settings > General > About. If an update is available, you’ll see a prompt to select OK or Update. Remove your SIM card from the SIM card tray and then put the SIM card back. Make sure that the SIM tray closes completely and isn’t loose.
How do I refresh my SIM card on iPhone?
Manually update your carrier settings on your iPhone or iPad
- Make sure that your device is connected to Wi-Fi or a cellular network.
- Tap Settings > General > About.
- Follow the onscreen instructions to install your carrier update.
How do you reset a SIM card?
Resetting SIM card through the phone’s settings
Insert the SIM card into your cell phone’s SIM card slot and place the back cover securely. Then, turn on the phone. Step 2. Go to the “Settings” menu and choose “Reset” from the list of options that are displayed.
Does resetting your phone reset the SIM card?
It doesn’t delete any information that you might have saved on an external memory card or SIM card, but it does erase all your apps as well as your personal contacts, messages and call history.
What do I do if my SIM card is not working?
Troubleshooting SIM card problems
- Turn off your phone and remove the SIM card.
- Clean the gold connectors on the SIM with a clean lint-free cloth.
- Replace the battery and turn your phone on without the SIM.
- Turn your phone off, replace the SIM and restart the phone.
Is it safe to update carrier settings on iPhone?
In general, the answer is, yes, they are safe to download. Apple’s iOS mobile operating system is less prone (though not immune) to malware and viruses, compared with other platforms, like Android. … We’ve seen this happen a few times with iOS updates. But this hasn’t been a huge issue with carrier settings updates.
How do you reset iPhone carrier settings?
Go to Settings > General > Reset > Reset Network Settings. This also resets Wi-Fi networks and passwords, cellular settings, and VPN and APN settings that you’ve used before.
What happens if your SIM is locked?
The SIM card on your mobile phone will become locked if you enter an incorrect personal identification number (PIN) three times. To unlock it you must reset your PIN by entering your SIM card’s unique unlock key (also called a PIN unblocking key or PUK).
Does resetting an iPhone affect the SIM card?
No, Iphone restore never deletes sim data, moreover sim data is nothing but carrier data and some contacts where you can saved to sim. Sim data will not be affected.
Should I remove SIM card before resetting iPhone?
One last thing before you perform a factory reset: it’s time to remove your SIM card if you have one. Removal of the SIM card does not affect the reset process. … Make sure the phone is powered off before you remove the SIM card.
What happens if phone is factory reset?
A factory data reset erases your data from the phone. While data stored in your Google Account can be restored, all apps and their data will be uninstalled. To be ready to restore your data, make sure that it’s in your Google Account.
Why did my SIM card stopped working iPhone?
If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure that you have an active plan with your wireless carrier. Update your iPhone or iPad to the latest version of iOS. … Remove your SIM card from the SIM card tray and then put the SIM card back.
Why is my phone not recognizing my SIM card?
Open Settings > Mobile Network. Under SIM Card info and Settings, Tap the SIM, and toggle on “Enable”. Also, make sure the data roaming is ON to avoid this issue when you’re in a roaming area. When you face the issue of “SIM Card not detected”, clearing out cache data could prove an effective solution.
What causes SIM card to stop working?
Some of the problems with the SIM slot that can cause this problem: – SIM Card not inserted properly. – Loose SIM slot resulting in the card losing the connection with the reader of the device. – Accumulation of dust over the slot and SIM card reader making the slot incapable of reading the card properly.