You have just acquired an Samsung Galaxy S2 Plus and when you turn it on, it displays the following error text: SIM card not recognized. From time to time the Samsung Galaxy S2 Plus does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Samsung Galaxy S2 Plus directly back. Indeed, there are a lot of tricks to fix this trouble. We will therefore observe in this tuto, what are the things to do and confirm in order that the SIM card is recognized on your Samsung Galaxy S2 Plus.
What to do when the SIM card is not recognized on my Samsung Galaxy S2 Plus
Whenever the SIM card is not recognized on your Samsung Galaxy S2 Plus, below is a list of things that will help you determine the source of the trouble, observe repairing the trouble.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Samsung Galaxy S2 Plus is to clean it up. In truth, it might happen that dirt partially prevents the contact between the SIM card and the mobile. 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 S2 Plus
From time to time the trouble might be caused by the tracking of the SIM card. In truth, it often happens that small metal plugs that normally have to come in contact with the SIM card are a bit relaxed. When this is the case, this prevents the Samsung Galaxy S2 Plus from reading the SIM card. To fix this trouble, you just simply need to thicken the SIM a little by gluing one or two pieces of tape at the back.
Test the SIM card on a different telephone
To find out if the trouble comes from the SIM card, you can test it on a different phone and you will have your answer. In case it is not recognized on other devices, you can modify the SIM card.
Try another SIM card on your Samsung Galaxy S2 Plus
Whenever the two previous steps do not give anything, it is actually necessary to test a different SIM card to find out if the trouble comes from the card. Indeed, if other SIM card function on the Samsung Galaxy S2 Plus, it is actually because the trouble comes from the card. Otherwise, it is actually at the level of the telephone that we will have to look.
Verify that your Samsung Galaxy S2 Plus is not Simlocker
When you have tried a lot of SIM cards on the Samsung Galaxy S2 Plus and none are recognized, the telephone may be Simlocker. It indicates that the Samsung Galaxy S2 Plus will recognize simply the SIM card of a certain operator. In this case, you have to unlock it. You will find without a hassle a lot of provide on the web that will do that.
Check that the problem will not be caused by the ROM installed on the Samsung Galaxy S2 Plus
This part mainly concerns the people who root the Samsung Galaxy S2 Plus to install a ROM that is not original. Whenever this is actually what you have done, be aware that the unrecognized SIM card trouble is quite common after installing fresh ROMs. We suggest that you reinstall an original ROM and re-test it.
Whenever nothing functions
Whenever all the above solutions do not work, we advise you to bring your Samsung Galaxy S2 Plus and the SIM card back to one of your operator’s shops.
