How to fix an unrecognized sim card issue on ASUS Zenfone 5

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How to fix an unrecognized sim card issue on ASUS Zenfone 5?

Do you often see the sim card icon appear in the header of your phone? Are you unable to send or receive texts and phone calls ? It’s most likely that your ASUS Zenfone 5 doesn’t recognize your sim card.

This can be a very inconvenient issue, especially if you use your smartphone on a daily basis.

That is why we decided to help you fix an unrecognized sim card issue on your ASUS Zenfone 5.

Limit probable causes ASUS Zenfone 5

First, we are going to summarize the most common factors of such an issue.


It is possible that you play games on your phone, but some high paced game application cause excess heat.

Our other articles on ASUS Zenfone 5 can help you.

This can prevent your phone from functioning correctly.

To avoid such a situation, try to pause your game from time to time, let your phone rest in a cool spot, and shut down the apps and networks.

Finished subscription contract

Some phone companies don’t necessarily alert you when your subscription is about to end.

Yours may have ended without you knowing, making your sim card unrecognizable by your ASUS Zenfone 5. Check your contract to see if it is the problem.

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Misplacement, damaged sim card, or damaged phone

These are usually the cause of an unrecognized sim card on ASUS Zenfone 5. First verify that your sim card is well-placed in your ASUS Zenfone 5. Read your phone’s notice to know how to place it correctly.

It is also possible that your phone or sim card has been damaged, either by falling or getting wet.

If so, use your warranty to replace your sim or your phone.

Clear the partition cache of your ASUS Zenfone 5

The system cache partition stores temporary system data. It allows the system to access applications more quickly and efficiently, but sometimes it gets cluttered and outdated, and prevents your ASUS Zenfone 5 from functioning correctly.

Do not worry, it will not lead to any loss of personal data or settings.

Here is how you can do it : first go to the “Settings” menu, then scroll down to “App manager” and tap on it.

Go to an app.

Eventually, select “Clear data, Clear cache”. It’s done !

Try new sim card

If the problem persists, it may be because your sim card is obsolete.

First, try your sim card in another phone.

If it doesn’t work you then have to contact your phone operator, so they send you a new one.

Be careful, you will maybe change numbers, if so, do not forget to warn your contacts.

Search for hardware issues

Some phone models may have a hardware issue.

To know if it’s the case of your ASUS Zenfone 5, search online if ASUS Zenfone 5 users have the same problem as you do. If so, go to your phone provider and use your warranty to get a new one.

If you do not have the time to do it immediately, there is an easy trick to fix the unrecognized sim card issue on your ASUS Zenfone 5 : apply pressure on the sim card.

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To do so while using your phone, place a folded piece of paper on top of your sim card when inserting it.

It will help you keep using your phone until you go and replace it.

To conclude

Through this article, we have explained to you many ways to fix an unrecognized sim card issue on your ASUS Zenfone 5. If the problem persists, stay calm and go to an expert that will help you solve the problem.

How do I get my phone to recognize the SIM card?

– Toggle airplane mode.
– Restart your phone.
– Remove and reinstall the SIM card.
– Carefully clean the SIM card.
– Try the SIM card in another device.
– Update your carrier settings.
– Reset your phone’s network settings.

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7 related questions

Does a SIM card store any information?

Data that SIM cards contain include user identity, location and phone number, network authorization data, personal security keys, contact lists and stored text messages. SIM cards allow a mobile user to use this data and the features that come with them.

Why my phone is not connecting to SIM network?

The first thing you should try when you receive this error is to check if your SIM card is placed correctly. Sometimes, it might get loose or fall out of its slot, so ensure it’s in place properly. If that doesn’t work, try replacing your SIM card with another one from a different carrier.

Are passwords stored on SIM card?

Additionally, SIM cards store two passwords: your Personal Identification Number (PIN) and your Personal Unblocking Key (PUK). The PIN code is required to unlock the SIM card when inserting it into a new phone or after a reboot.

Will removing SIM card erase data?

Does taking out your SIM card delete everything? The short answer is: nope. The shorter answer is: no. Taking out your SIM card will not delete all of your data.

How do I get my phone to connect to my SIM card?

– Find your SIM card.
– Open the SIM tray on your device. The location of your SIM tray may differ from device to device.
– Place your SIM card into the SIM tray.
– Put the SIM tray back into your device.

Why is my phone suddenly not detecting my SIM card?

There are a few reasons your phone might not detect a SIM card. It could be a problem with the SIM card itself. You might not have placed the SIM card in the tray correctly, or the card might be dirty or damaged. You will also have connection issues if the old SIM and your new phone are incompatible.

What happens if I put my old SIM card in my new phone?

SIM cards make it easier than ever to transfer your phone service from one phone to another. When you insert your SIM card into a different compatible or unlocked phone, you can instantly use your existing phone number and cellular service on your new phone.