How to fix an unrecognized sim card issue on Oppo A3

How to fix an unrecognized sim card issue on Oppo A3

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How to fix an unrecognized sim card issue on Oppo A3?

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 Oppo A3 doesn’t recognize your sim card.


This can be a very unconvinient 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 Oppo A3.

Limit probable causes Oppo A3

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

How to fix an unrecognized sim card issue on Oppo A3

Heat

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

How to fix an unrecognized sim card issue on Oppo A3

Our other articles on Oppo A3 can help you.

This can prevent your phone from functionning correctly.

To avoid such a situation, try to pause your game frome 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 unrecognisable by your Oppo A3. 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 Oppo A3. First verify that your sim card is well placed in your Oppo A3. 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 Oppo A3

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 It allows the system to access applications more quickly and efficiently, but sometimes it gets cluttered and outdated, and prevents your Oppo A3 from fuctionning correctly.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If the problem persists, it may be because your sim card is obsolete.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 an other 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 Oppo A3, search online if Oppo A3 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 immediatly, there is an easy trick to fix the unrecognized sim card issue on your Oppo A3 : 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 Oppo A3. If the problem persists, stay calm and go to an expert that will help you solve the problem.