Quick Answer: What happens when your phone says invalid SIM?

Every iPhone has a SIM card. But what if an alert is coming up on your screen that says either “Invalid SIM” or “No SIM?” Essentially, what these messages mean is that your wireless carrier is not able to detect the presence of the SIM card that matches your iPhone.

How do you fix an invalid SIM card?

  1. What is an Invalid SIM card error? …
  2. How Do You Fix An Invalid SIM Card On Android? …
  3. Solution 1: Restart Your Android Phone. …
  4. Solution 2: Remove The SIM Card And Battery. …
  5. Solution 3: Clear Cache And Data On Android Phone. …
  6. Solution 4: Change Network Mode To Auto. …
  7. Solution 5: Insert A Valid SIM Card.

What happens if my phone says invalid SIM?

Invalid SIM card error means that your SIM card is having some problem and it is stopping to detect. So what you should do is simply turn off your Android phone and see if SIM card is having any problem. Better is put a valid SIM card and check if everything is OK.

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How do you fix an invalid SIM card on Android?

How to Fix Invalid SIM card or No SIM Error?

  1. Reboot Your Device. …
  2. Re-Insert SIM Card. …
  3. Switch to Supported Network Operator. …
  4. Reset Network Settings. …
  5. Switch Airplane Mode On and Off. …
  6. Activate Safe Mode. …
  7. Update Software. …
  8. Factory Reset.

28 дек. 2020 г.

Why does my phone say no SIM or SIM error?

Some possible causes could be that you didn’t insert the SIM card correctly or your Android device is experiencing a software issue. Whatever the reason, a solution needs to be found quickly when your phone says: “No SIM card detected.”

How do you fix an invalid SIM card on an 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. Update your iPhone or iPad to the latest version of iOS.
  3. Restart your iPhone or iPad.
  4. Check for a carrier settings update. …
  5. Remove your SIM card from the SIM card tray and then put the SIM card back. …
  6. Try using another SIM card.

24 янв. 2020 г.

Why does my SIM card keep disconnecting?

The most reliable fix for this issue is to simply remove your SIM card, clean it lightly using a dry cloth, ensure that there is no debris in the SIM slot, then reinsert the card, ensuring a snug fit. … If this doesnt move to disconnect from continuity, the phone doesnt know there is a sim installed.

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How do I clean my SIM card on my phone?

Clean the SIM card by blowing off dust, or use a soft cloth to carefully remove any residue from the gold contact area (don’t use soap or anything abrasive). Place the SIM card chip-side down into the tray and slide it back inside. If inserted correctly, the tray should go in easily. Restart your phone.

Why won’t my SIM card work in a different phone?

If a phone is locked, the service provider has installed some software on the phone that ties the subscriber ID number on the SIM card to the serial number of that particular phone. … The SIM card won’t work in other phones, and the phone won’t work with other SIM cards.

Can you unlock a SIM locked phone?

Simply insert a SIM card from another carrier (you’ll be able to get one free from a phone shop or by ordering one online) and see if the name of the network appears on your handset. If it does and you’re able to use your phone, it’s unlocked.

How do you reset your 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.

How do you unlock a SIM card?

How to Unlock a Locked SIM Card Manually

  1. Contact your wireless carrier by calling the toll-free customer service number. (Find this on your provider’s website or a recent invoice.) …
  2. Power your phone on. You will see a “SIM Locked” or “Enter PUK” message. …
  3. Type in a new four- to eight-digit PIN code when prompted, then press “OK.”
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Why is my phone not reading my SIM card?

Most of the time, rebooting or power cycling your phone can fix SIM card not detected issue. When you reboot your android phone, it will relaunch the OS as well as the programs stored in your device. If your phone’s software isn’t detecting your SIM, this is one of the quickest fixes to use.

How do I know if my SIM card is working?

Checking Whether the SIM Card Is Working Properly

  1. Check whether account balance of the SIM card is insufficient. You can visit carriers’ website or insert the SIM card on a cellphone to check the account balance of the SIM card.
  2. Check the SIM card status. Run the display cellular interface-number security command to check security information about the 3G/LTE modem.
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