SIM card failure is one of the common issues with all iPhone models. Suddenly, a notification might display ‘Invalid SIM,’ ‘SIM Failure,’ or similar prompts. SIM failure iPhone does not happen very frequently, but it might make you stressed when it occurs
Meaning of SIM failure:
You might wonder, “What does sim failure mean?” When the connection between the SIM and phone fails, or the phone cannot detect the card, the failure notification is displayed.
Many underlying causes might lead to an inoperative SIM card. This might include damaged SIM cards, incorrect placement of SIM cards, or glitches in the phone software. Many users find these issues when they update iOS.
Disconnected SIM card Trays
The SIM card acts as the connection tool between your SIM card and to iPhone model. Hence, if the tray is moved or you have not correctly placed the SIM, you might get a notification of SIM failure iPhone.
Failure of Active plans
SIM card failure might also occur if you have a wireless network linked with a SIM card expiration. Your plan must be active to avoid SIM card failure.
Software update issues
If the software update is problematic, the glitch might result in SIM failure on the iPhone.
Malfunctioned systems
If the central system of the phone is not working correctly, then it might detect the SIM and show as SIM not installed.
Tips and Tricks for Fixing SIM Card Failures of iPhone
This section will help to answer your question, ‘How to fix a SIM failure iPhone?’
First Step- Refreshing the Network
SIM failure iPhone can be best corrected by refreshing the phone’s network. The best way is to enable and disable airplane modes. You will find this option in control centers, on the top right corners of the phone’s screen. After you swipe down from the top, you will see an aeroplane-shaped icon (also written as Airplane mode). First, click to activate this, and then after a few minutes, click again for normal mode.
Second Step- Reinserting the SIM
First, switch off the phone and then remove the card. If you find any dust, wipe it with a soft, clean cloth. You must check the damage on the SIM card. If there is damage, you must contact your network provider; if there is no defect, you should place it correctly on the SIM card tray.
Third Step- Restarting the phone
You can do this before re-inserting the SIM or after that. You can do this by switching off the phone and replacing the SIM with another active SIM card. This will help you to understand if the SIM card is damaged or if there is an issue with the phone.
Hold the volume buttons for a few seconds to switch off the phone, showing you the option of powering off the screen. You can hold the power key to switch off the phone.
Fourth Step- Contacting the network provider
If you have tried and tested all the above methods, contact the network provider and raise a complaint. They will either provide you with a duplicate SIM card or replace it with a new one.
Fifth step- Resetting settings
You should first refresh the network settings by resetting them. In the process, you might lose the saved password for the WIFI as it will restore the factory default setting. For this, tap the settings button, again General; here, you will find options like Transfer or Reset, and then you should click Reset network settings.
Sixth Step – Upgrading iOS versions
Put your iPhone on charge and connect to your secured Wi-Fi. Then tap the settings button, click general, and tap on software update. If there are any pending updates, then you must download them, keeping your on-charging station with a stable internet connection.
What to do for SOS sim failure?
The iPhone might show a message like “SOS”, which is operative only in emergencies. This also indicates that the SIM card failed. If you receive a notification message like a SIM failure iPhone, you must first toggle the network by activating and deactivating the airplane mode. After that, you must restart the phone while also checking network updates.
Try re-inserting the SIM card again, and clean the tray while removing and replacing the SIM card. If all these options do not work, you can reset the network settings, which restores the factory settings and might solve the error. Also, check for any system updates if they are pending.
SIM failure on iPhone is one of the common technical glitches that you might occasionally have to face. Simple tricks like restarting the phone, switching on and off the airplane mode, and reinserting the SIM can solve this issue.
If it is not solved with simple tricks, you must contact the service provider, who will replace the SIM card or provide alternative options.
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