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How to Fix iPhone 6 Invalid Sim Card after Update iOS 8.2 Issue

Some iPhone users update their iOS directly through the iPhone or iTunes. The latest version of iOS brings important things like new features and bug fixes. But the update not always run smoothly. One of the updates problem is “invalid sim card or no sim card”.

Through this article we’re going to share some methods on how to fix iPhone 6 invalid simcard after iOS 8.2 update.

Read also — Ultimate Guide How to Backup iPhone 6 and iPhone 6 plus to Mac/PC

Troubleshooting the simcard

  • Make sure there is no PIN on your sim card. If there’s a PIN, enter your PIN first, if you forgot it, you can contact your sim card provider to get PUK or a help to open PIN.
  • Eject the sim card from the tray, and then check if there’s no damage and make sure there’s no scratch on the chip part of your sim card. If you did not find scratches or any damage, put it back to your iPhone.
  • Eject the sim card from the tray, and then take a dust blower to clean up the sim card tray slot. Avoid the liquid to enter that slot.

How to Fix iPhone 6 Invalid Sim Card after Update iOS 8.2 Issue

  • Try to use another sim card, because it could be your sim card has the inconsistent reading.

Read also–How to Solve iPhone 6 Randomly Restart Issue

Troubleshooting Software

  • Check your carrier settings update. Go to Settings — General — About
  • Activate the airplane mode for a couple of seconds, and then turn it back off. Go to: Settings — Airplane Mode
  • Restart your iPhone 6 by pressing and holding the power button and the home button together until your iPhone restarts.
  • Power off the iPhone 6 by pressing the power button until the slide to power off appears, then slide it to off. Turn it on again.
  • Do a Reset Network Settings that you can find in:Settings — General — Reset — Reset Network Settings
  • Erase all contents and settings:Settings –General — Reset — Erase All Content and settings
  • Restore iPhone by plugging your iPhone to your Mac or PC, and then launch iTunes. If there’s a popup message appears on your iPhone, tap “Trust”. Your iPhone will be detected on iTunes and on tab Summary, click Restore button. Firmware will be downloaded first and wait until the process is finished.

Hardware Troubleshooting

The next method is a hardware checking. This is something that should be done by a professional, which is why I suggest you to visit the Apple center. If you want to try this method yourself, you will do it on your own risk.

To be able to perform this method, you need to know how to open an iPhone safely.

  • Power off your iPhone 6, then unplug the battery connector from the logic board for a couple of minutes, and then put it back and switch on your iPhone 6.

How to Fix iPhone 6 Invalid Sim Card after Update iOS 8.2 Issue

 

  • If you have done all the steps above, do a sim card reader checking on the logic board, because the issue can be related to the pin or simcard reader.

How to Fix iPhone 6 Invalid Sim Card after Update iOS 8.2 Issue

You’ll probably need a Sim card socket replacement.

Sim card socket replacement is almost need to be done if there's defective on this part. this part stick with the iPhone 6 logic board.

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