Tecno Spark 4: Unrecognized SIM card

You have just purchased an Tecno Spark 4 and when you turn it on, it displays the following error message: SIM card not recognized. At times the Tecno Spark 4 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Tecno Spark 4 directly back. Indeed, there are several tips to solve this trouble. We will consequently see in this article, what are the things to do and verify to ensure that the SIM card is recognized on your Tecno Spark 4.unrecognized-sim-card-Tecno-Spark-4

What to do when ever the SIM card is not recognized on my Tecno Spark 4

If perhaps the SIM card is not recognized on your Tecno Spark 4, below is a list of things which could help you discover the source of the trouble, see repairing the trouble.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your Tecno Spark 4 is to wash it up. In truth, it may possibly happen that dirt partially prevents the contact between the SIM card and the smartphone. To clean it, pass a small dab of cloth over it and check if it is not damaged.

Check the tracking of the SIM card on your Tecno Spark 4

At times the trouble may possibly be caused by the tracking of the SIM card. In truth, it often occurs that tiny metal plugs that most of the time have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the Tecno Spark 4 from reading the SIM card. To solve this trouble, you simply have to thicken the SIM a little by gluing one or two pieces of tape at the back.

Test the SIM card on another mobile phone

To find out if the trouble originates from the SIM card, you can actually test it on another phone and you will have your answer. When it is not recognized on other devices, you can actually change the SIM card.

Try another SIM card on your Tecno Spark 4

If perhaps the two previous steps do not give anything, it is required to test another SIM card to find out whenever the trouble originates from the card. Indeed, whenever other SIM card function on the Tecno Spark 4, it is because the trouble originates from the card. Otherwise, it is at the level of the mobile phone that we will have to look.

Verify that your Tecno Spark 4 is not Simlocker

In case you have tried several SIM cards on the Tecno Spark 4 and non-e are recognized, the mobile phone may perhaps be Simlocker. This means that the Tecno Spark 4 will recognize just the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of offer on the net which could do that.

Check that the problem does not be caused by the ROM installed on the Tecno Spark 4

This part mainly concerns the people who root the Tecno Spark 4 to install a ROM that is not original. If perhaps this is actually what you have carried out, be aware that the unrecognized SIM card trouble is quite common after setting up fresh ROMs. We advise that you reinstall an original ROM and re-test it.

If perhaps nothing works

If perhaps all the above solutions do not work, we advise you to bring your Tecno Spark 4 and the SIM card back to one of your operator’s shops.