Clean your Bad SIM card | Clean GSM

How to Clean a SIM Card

Three Parts:

Your SIM card is the part inside your phone that contains all of your personal information. If your SIM card is dirty, your phone may not be able to read it. This can be frustrating, but you can do something about it.You can clean your dirty SIM card using an eraser or cotton swab, rubbing alcohol, or a microfiber cloth. You can also take it in to a professional.


Removing Your SIM Card

  1. Turn off your phone.Don’t try to remove the SIM card with the phone turned on. This can be dangerous for you since you’re dealing with internal parts of the phone. Additionally, you might accidentally damage the SIM card.
  2. Locate your SIM card on the side or back of your phone.Its placement will depend on the type of phone you have. Check the side first to see if it’s there. If you don’t see it, remove the back panel on your phone and check under the battery.
    • You may need to remove the back of your phone and your battery, as the SIM card may be under the battery.
    • If you have an iPhone, it may easily slide out.
  3. Pull out the SIM card, if you can.Each phone is different, so some SIM cards are easy to remove while others require a special tool or bent paperclip. It may slide out, but you may need to pop it out, depending on your phone model. If you're having trouble, look up the directions for your specific phone. Be gentle so you don’t damage it.
    • Older phones have harder to remove SIM cards. You can find directions on how to get them out in your owner's manual.
  4. Consult your owner’s manual for specific instructions.Each phone is different, so the process for removing your SIM card will differ, as well. Although many cards can be pulled out, it’s best to check your owner’s manual if you’re having trouble. It will provide directions on how to take out the SIM card.
    • If you don’t have your owner’s manual, check online. You’ll likely be able to find a digital copy from your manufacturer.
  5. Take your phone to a professional if you’re having trouble.You don’t want to accidentally damage your SIM card trying to remove it from your phone. If you can’t get it out, take it into your wireless provider. They can help you safely remove the card.

Wiping Your Sim Card Clean

  1. Use an eraser or cotton swab to remove dirt or dust.Gently rub the eraser or cotton swab along the gold contacts on your SIM card. Continue to make light strokes until your SIM card is clean.
    • You can also use a gold guard pen, which is a safe way to clean your electronics.
  2. Wipe the card with a dry, lint-free cloth for all-over cleaning.Simply wipe down your SIM card using a clean cloth. Don’t apply any cleaners to the card or the cloth. This can remove dirt, oils, and moisture from any part of the SIM card.
    • A microfiber cloth works well for cleaning any part of your phone, including the SIM card.
    • Dry cloths made for eyeglasses are a convenient option.
  3. Use rubbing alcohol to remove oxidation.Dampen one end of a cotton swab with rubbing alcohol. Then gently rub the alcohol against the gold contacts on your SIM card. Continue cleaning the contacts until all of the oxidation is gone.
    • The cotton swab should be damp but not soaking wet with alcohol.
    • Do not get any rubbing alcohol inside your phone.
  4. Take your SIM card to a professional for the safest option.Your wireless provider or a cell phone repair stand can help you properly clean the SIM card. They can also help you repair it if it's damaged. They are the safest bet for getting your card clean.
    • If your card is damaged beyond repair, they can sell you a new SIM card.

Replacing Your SIM Card

  1. Slide the SIM card back into the port.You’ll need to put in the same place it was before you took it out for cleaning. Make sure it is securely in place before you turn on the phone.
    • If you took it out from the back of your phone, you’ll also need to put your battery back into place. Then, replace the back panel on your phone.
  2. Consult your owner’s manual for specific instructions, if necessary.If you’re having trouble getting your SIM card back into place, you may need to check your owner’s manual. It will provide directions for replacing the card.
    • If you don’t have your owner’s manual, look for a digital copy online.
    • As an alternative, you can take it into your wireless provider for assistance.
  3. Turn the phone on to see if it’s communicating with the SIM card.If you’ve successfully cleaned the card, it should be working correctly. If your card still isn’t working, it’s likely damaged. You can try cleaning it again, but you may need a new card.
    • A professional may be able to clean or repair your card if it’s damaged.

Community Q&A

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  • Don’t clean your SIM card unless it’s not communicating with your phone or is showing an error. Otherwise, you risk damaging it.
  • If you’re nervous about cleaning the card, take it to your wireless provider for assistance.


  • If your SIM card still isn’t communicating with your phone after you clean it, it may be damaged. You should take it in to be professionally repaired. Alternatively, you can replace it.

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Date: 01.12.2018, 23:24 / Views: 65483