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Why is my phone saying my SIM card is invalid?
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.
How do I activate an invalid SIM?
Contact your wireless provider to activate your SIM card. Certain phone companies will not reactivate old SIM cards and will instead send out a new SIM card to go along with your new account.
What do I do if my SIM card is locked?
To unlock your SIM Card, reset the PIN by entering your SIM Card’s unique PUK (PIN Unlock Key). Note: Entering an incorrect PUK (PIN Unlock Key) 10 times will permanently lock your SIM Card. If the SIM Card becomes permanently locked, you will need to swap it for a new SIM Card.
Why is my SIM card PUK locked?
The Personal Unblocking Key (PUK) is a SIM-specific code assigned and provided by your phone carrier to protect your SIM card. If you enter the wrong PIN too many times, the card will become “PUK-locked.”
Why is my SIM card network locked?
Network Lock If you originally received your device from one network provider and your new SIM card is from a different network, the original network provider may have locked the device to their network.
Where is the PUK code on my SIM card?
Find your PUK on the SIM card pack The PUK Code is an eight digit number, and is usually printed on the back.
Where is the PIN for my SIM card?
In the SIM card and mobile phone section, you will see your PIN, PIN2, PUK and PUK2 codes. Please note that no one can ever find the changed PIN, as you enter it right into your telephone. Other possibilities: You can find the PUK code on the little card from which you broke your SIM Card out.
Why is SIM card is not working?
When the SIM card is not placed securely, it may end up causing this error. This is happening because every time your phone tries to connect to the network , the SIM card loses its connection with the rest of the device and causes an error. To fix this, you must apply pressure of some kind to the card slot so that the SIM can stay put.
Why is my phone saying no SIM?
This may seem obvious, but it’s helpful to restate the problem here: Your iPhone says “No SIM” because it’s no longer detecting the SIM card that’s inserted in the SIM tray, even though it actually is there. Like many issues on the iPhone, the “No SIM” error can be either a hardware or a software problem.
What does SIM card error mean?
SIM Card Error. Common SIM Card Errors usually mean: The device failed to register on the network. Service is not provisioned or was deactivated. There is no SIM card in the device or the device is unable to detect the SIM card.
Does not recognize SIM cards?
How to Fix ‘SIM Card Not Detected’ in Any Phone Solution 1. Reboot Your Android. This is the quickest and simplest method to solve the problem. Restarting your Android… Solution 2. Check the SIM Tray/SIM Slot. Power off your Android phone. Remove the SIM card from the SIM tray/SIM slot. Solution