How do you fix an invalid SIM on iPhone?

How do you fix an invalid SIM on iPhone?

If you see ‘invalid SIM’ or ‘no SIM’ on your iPhone or iPad

1. Make sure that you have an active plan with your wireless carrier.
2. Restart your iPhone or iPad.
3. Check for a carrier settings update.
4. Remove your iPhone SIM card or iPad SIM card from the SIM card tray and then put the SIM card back.
5. Try using another SIM card.

Can you still activate an iPhone 3Gs?

No, Usually you cannot. 3Gs was my first iPhone. I have also used 3G but it was later. The iPhone 3Gs requires a SIM phone to be activated but there’s a little hack that we used to do.

Can iPhone 3Gs be unlocked?

If you have an iPhone 3GS it is pretty easy to unlock for free. It involves a process known as jailbreaking (opening up the software on your phone) and then running some additional software to perform the actual unlock. To check your iOS version and baseband, go to Settings > General > About on your iPhone.

What causes an invalid SIM card?

Update Software Updating your device’s software gives you access to the latest features. It also fixes or patches the bugs that may have caused the invalid SIM card issue. You need an active internet connection to update to the latest software for your Android device. This can either be a Wi-Fi or a mobile network.

Why does my phone say invalid SIM card?

The invalid SIM card error indicates that there is no SIM card in the device, or that the connection is defective, or that the SIM card is loose. Therefore, due to these reasons your sim card not working. It makes no difference why you are getting this error message; there’s a link between your SIM card and its tray.

What can you do with old iPhone 3GS?

Contact Apple via its recycling policy page and see what your old handset is worth. If you’ve got an original iPhone, iPhone 3G or iPhone 3GS, Apple will still recycle the device for you but doesn’t offer any money, and you need to take it into an Apple Store.

Why does my phone keep saying invalid SIM?

Your iPhone may say Invalid SIM if there’s software error within the cellular settings. Unfortunately, these problems can be difficult to pin down, so we have to reset all of your iPhone’s network settings. Pro-Tip: Make sure you write down all of your Wi-Fi passwords before resetting network settings.

What does invalid sim on my iPhone mean?

The iPhone may issue the “Invalid SIM” error because of a software issue. Meaning, the SIM card may be wrongly placed, or the SIM card needs to be replaced by the wireless carrier.

What to do if your iPhone says invalid SIM card installed?

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 to the latest version of iOS. Restart your iPhone. Check for a carrier settings update. Go to Settings > General > About.

What should I do if my SIM card is not working?

Make sure that the SIM tray closes completely and isn’t loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly. Try using another SIM card. If you don’t have one, go to your carrier’s retail store and ask them to test with another SIM card.

Where is the SIM card tray located on an iPhone?

On most iPhones, the SIM card tray is located on the right edge of your iPhone. On the earliest iPhones (original iPhone, 3G, and 3GS), the SIM card tray is located on the very top of the iPhone.