How to fix an unrecognized sim card issue on Huawei

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How to fix an unrecognized sim card issue on Huawei?

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 Huawei 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 Huawei.

Limit probable causes Huawei

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 Huawei 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 Huawei. Check your contract to see if it is the problem.

Misplacement, damaged sim card, or damaged phone

These are usually the cause of an unrecognized sim card on Huawei. First verify that your sim card is well-placed in your Huawei. 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.

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

Clear the partition cache of your Huawei

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 It allows the system to access applications more quickly and efficiently, but sometimes it gets cluttered and outdated, and prevents your Huawei from functioning correctly.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If the problem persists, it may be because your sim card is obsolete.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 Huawei, search online if Huawei 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 Huawei : apply pressure on the sim card.

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 Huawei. If the problem persists, stay calm and go to an expert that will help you solve the problem.

How do I reset my Huawei SIM card?

Go to Settings > System & updates > Reset, touch Reset network settings, then follow the onscreen instructions to reset network settings.

Why is my Huawei not Recognising my SIM card?

If your SIM card cannot be detected after it is installed in another phone, or if other SIM cards can be detected when it is installed in your phone, it indicates that your SIM card may be faulty. In this case, take your ID card to the carrier’s nearest service center to replace the SIM card.

How do you get a SIM card to work on a Huawei?

Why is my SIM card not being Recognised by my phone?

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.

How to Solve All Sim Card Problems on Huawei (not 100%) | Reset Sim Card Settings on Huawei

7 ancillary questions

How long is a SIM card inactive?

When is a SIM card considered inactive? A SIM card is deactivated when it has not been used in the last 6 months.

Why is my iPhone suddenly saying no SIM card?

Make sure that the SIM tray closes completely and isn’t loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly. Try using another SIM card. If you don’t have one, go to your carrier’s retail store and ask them to test with another SIM card.

How do I fix my SIM card not active?

– 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.

How do I activate my SIM card on my Huawei phone?

Go to Settings > Mobile network > SIM management, and enable or disable a SIM as needed.

How can I activate my SIM card myself?

– Insert the new SIM into your phone, and have the phone turned on.
– Activate your new SIM card by using its accompanying activation key (this will be included in the package).
– Use this key to activate the SIM card online.
– Wait some time, and it should be activated shortly.

What SIM cards are compatible with Huawei?

Use standard Nano-SIM and Nano MemoryNano MemoryThey are smaller than micro SD cards, freeing up space and reducing weight in smartphone designs. NM cards utilise the eMMC 4.5 protocol and operate with read speeds of 90MB/second. As of 2021, the cards were only supported by Huawei phones, however they are also manufactured by Lexar. › wiki › Nano_MemoryNano Memory – Wikipedia (NM) cards. Non-standard cards can damage the card tray or card slot or lead to card detection failure. If your SIM card cannot fit into the card tray, contact your carrier for replacement.

How do I fix my Huawei SIM card?

Press and hold the power button for more than 10 seconds to restart the phone, and let it re-detect the SIM card. Remove your SIM card and check whether the metal surface is stained. If so, clean your SIM card using a clean soft cloth and try inserting it again. Insert your SIM card into another phone.