You have just purchased an Samsung Galaxy C7 and when you turn it on, it displays the following error text message: SIM card not recognized. Oftentimes the Samsung Galaxy C7 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Samsung Galaxy C7 directly back. In fact, there are a lot of tricks to fix this issue. We will therefore observe in this tuto, what are the things to do and check so that the SIM card is recognized on your Samsung Galaxy C7.
How to proceed when the SIM card is not recognized on my Samsung Galaxy C7
If perhaps the SIM card is not recognized on your Samsung Galaxy C7, below is a list of things that will help you determine the source of the issue, observe repairing the issue.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Samsung Galaxy C7 is to wash it up. Actually, it might happen that dirt partially prevents the contact between the SIM card and the telephone. To wash 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 Samsung Galaxy C7
Oftentimes the issue might be caused by the tracking of the SIM card. Actually, it often occurs that tiny metal plugs that most of the time have to come in contact with the SIM card are a bit relaxed. When this is the case, this prevents the Samsung Galaxy C7 from reading the SIM card. To fix this issue, 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 phone
To find out if the issue originates from the SIM card, you can test it on another phone and you will have your answer. In case it is not recognized on other devices, you can change the SIM card.
Try another SIM card on your Samsung Galaxy C7
If perhaps the two previous steps do not give anything, it is actually required to test another SIM card to find out if the issue originates from the card. In fact, if other SIM card work on the Samsung Galaxy C7, it is actually because the issue originates from the card. Otherwise, it is actually at the level of the phone that we will have to look.
Verify that your Samsung Galaxy C7 is not Simlocker
In case you have tried a lot of SIM cards on the Samsung Galaxy C7 and none are recognized, the phone could possibly be Simlocker. This implies that the Samsung Galaxy C7 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 provide on the net that will do that.
Check that the problem does not be caused by the ROM installed on the Samsung Galaxy C7
This part mainly concerns the people who root the Samsung Galaxy C7 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 issue is quite common after installing new 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 Samsung Galaxy C7 and the SIM card back to one of your operator’s shops.
