You have just purchased an Samsung Rex 70 and when you turn it on, it displays the following error text: SIM card not recognized. Occasionally the Samsung Rex 70 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Samsung Rex 70 directly back. In truth, there are a lot of techniques to solve this trouble. We will consequently see in this tuto, what are the things to do and check to ensure the SIM card is recognized on your Samsung Rex 70.
How to proceed when ever the SIM card is not recognized on my Samsung Rex 70
If the SIM card is not recognized on your Samsung Rex 70, below is a list of things that will help you determine 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 Samsung Rex 70 is to clean it up. In fact, it may happen that dirt partially prevents the contact between the SIM card and the telephone. To clean it, pass a small dab of cloth over it and check if it is not damaged.
Check the location of the SIM card on your Samsung Rex 70
Occasionally the trouble may originate from the location of the SIM card. In fact, it often occurs that small metal plugs that most of the time have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the Samsung Rex 70 from reading the SIM card. To solve this trouble, you simply have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on another telephone
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 modify the SIM card.
Try another SIM card on your Samsung Rex 70
If the two previous steps do not give anything, it can be required to test another SIM card to find out in the event that the trouble originates from the card. In truth, in the event that other SIM card work on the Samsung Rex 70, it can be because the trouble originates from the card. Otherwise, it can be at the level of the telephone that we will have to look.
Verify that your Samsung Rex 70 is not Simlocker
When you have tried a lot of SIM cards on the Samsung Rex 70 and none are recognized, the telephone may be Simlocker. This implies that the Samsung Rex 70 will recognize only 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 that will do that.
Check that the problem will not originate from the ROM installed on the Samsung Rex 70
This part mainly concerns the people who root the Samsung Rex 70 to install a ROM that is not original. If this is actually what you have carried out, be aware that the unrecognized SIM card trouble is quite common after setting up new ROMs. We highly recommend that you reinstall an original ROM and re-test it.
If nothing works
If all the above solutions do not work, we recommend you to bring your Samsung Rex 70 and the SIM card back to 1 of your operator’s shops.
