Why do SIM cards stop working?

The SIM might be out of place. If you’ve recently dropped, bumped, or opened your device it may need adjusting. Follow the SIM card installation instructions in your device’s user guide. Your PUK (Personal Unblocking Key) code may have been entered incorrectly too many times.

How do I get my SIM card to work again?

Basic Troubleshooting

Why is my phone not reading my SIM card?

Fix the SIM Card Error by Clearing the Cache

Clearing your Android’s cache to try to fix the no SIM card error is extremely simple. Go to “Settings -> Storage -> Clear Data.” When you tap on cached data, you’ll get a pop-up telling you that this is going to clear the cache for all the apps on your device.

Why is my iPhone saying no SIM card all of a sudden?

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.

Do SIM cards go bad?

A SIM card (Subscriber Identity Module card) is a portable memory chip used in most cell phones that stores user data like contact information and text messages. They can expire for several reasons. Generally, the main cause of SIM card expiration is due to the contract with the phone provider.

iPhones: SIM Card Not Working? No Service, No SIM Card, Invalid SIM, Stuck on Searching? FIXED!

What are the signs of a damaged SIM card?

Some of the common signs of a damaged SIM card include connectivity issues, delayed or missed messages, and problems making or receiving calls. If you experience these issues, you may need to replace your SIM card to solve them.

What can ruin a SIM card?

Excess water, spraying, splashing, or submerging can be enough to damage a physical eSIM and prevent it from working. Spillage with corrosive or hot liquids also risks damaging a SIM card if they leak into the SIM tray.

How do I reset my SIM card on my iPhone?

Go to Settings > General > Transfer or Reset [Device] > Reset > Reset Network Settings. This also resets Wi-Fi networks and passwords, cellular settings, and VPN and APN settings that you’ve used before.

Can you use iPhone without SIM card?

Method 2: Use iTunes to Activate iPhone Without SIM Card

The first and most effective method of activating an iPhone without a SIM card is using iTunes. Apple has its own iOS administrative software that was created and intended specifically for this purpose, so you may use iTunes to unlock and use your iPhone.

How long do SIM cards last for?

The SIM won’t ever expire if you keep on using it.

How long does a SIM card expire?

Expiration of load will take 6 months to expires, meaning you have almost 10 months from the starts of your SIM Card inactivity before your SIM card gets expires.

How long do SIM cards last if not used?

Major Pay As You Go Networks. On most major Pay As You Go networks, you’ll normally be able to leave your SIM card unused for up to 6 months or 9 months at a time. As long as you use your SIM card for a chargeable activity during this time, your account will remain open and your Pay As You Go credit will never expire.

When should I replace my SIM card?

If the phone you’re switching to is from the same carrier or it’s unlocked, you shouldn’t need a new SIM. But if you’re switching from one carrier to another, you’ll need a SIM card for your new carrier.