FAQ: What Is Error Code Er05 Invalid Sim?

The error ER05 invalid SIM can occur if the SIM card isn’t working properly. To begin with, it incurs when you haven’t gotten the SIM card enabled for Wi-Fi calling by the specific network service provider.

How do I fix my invalid SIM?

The steps are discussed in detail for Android and iOS.

  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.

What do I do when my Android says invalid SIM?

The easiest method to fix an invalid SIM card on Android is by restarting your Android phone. Restarting your device removes all bugs from your device and fix small errors. So, you should also restart your device to connect to the network again and then check the error is solved or not.

Why does my tmobile phone say invalid SIM?

The most basic and easiest way to resolve this problem is to restart your device. Either you use an iPhone or an Android phone you can reboot your device to resolve your T-Mobile invalid sim error. Check if your phone detects the sim card now. If it still shows the error then you can try the other method.

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Why do I have an invalid SIM?

Your iPhone may say Invalid SIM if there’s software error within the cellular settings. You’ll have to reenter them after resetting your iPhone. To reset your iPhone’s network settings, go to Settings -> General -> Reset -> Reset Network Settings. You’ll have to enter your iPhone passcode, then confirm the reset.

Does invalid SIM mean phone is locked?

Invalid SIM means that the phone is locked to a carrier, and the SIM card isn’t for that carrier. SIM card locked means that you need a PUK code to unlock it. So call your carrier and ask for your PUK code.

Why my SIM network is not working?

Most often, the “Mobile network not available”error can be fixed just by restarting your device. All the background apps and memory leaks, which may cause the network issue, can also be cleared merely with a restart. Remove SIM Card and Put it Back. This one is self-explanatory.

Why is my phone not reading my SIM card?

Open Settings > Mobile Network. Under SIM Card info and Settings, Tap the SIM, and toggle on “Enable”. Also, make sure the data roaming is ON to avoid this issue when you’re in a roaming area. When you face the issue of “SIM Card not detected”, clearing out cache data could prove an effective solution.

What does invalid SIM mean in iPhone?

The iPhone may issue the “Invalid SIM” error because of a software issue. Meaning, the SIM card may be wrongly placed, or the SIM card needs to be replaced by the wireless carrier.

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Why won’t my iPhone read my SIM card?

If your iPhone still doesn’t recognize the SIM, try the all-purpose fix for many iPhone problems: a restart. You’d be surprised how many issues are solved by restarting. Turn Airplane Mode On and Off. If you’re still seeing the SIM error, your next step is to turn Airplane Mode on and then off again.

What is an invalid SIM card?

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 I reset my SIM card on iPhone?

How to Reset an iPhone SIM Factory

  1. Press the “Home” button on your iPhone. Slide your finger across the “Slide to Unlock” bar. Your home page will load.
  2. Tap the “Settings” icon.
  3. Tap the “General” tab.
  4. Tap “Reset” at the bottom of the page. A new page will open.
  5. Tap “Erase All Content and Settings.” People are Reading.

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