You have just acquired an Vivo Y91C and when you turn it on, it displays the following error text message: SIM card not recognized. From time to time the Vivo Y91C does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Vivo Y91C directly back. In fact, there are a lot of tips to fix this issue. We will for that reason find out in this tuto, what are the things to do and check in order that the SIM card is recognized on your Vivo Y91C.
How to proceed when the SIM card is not recognized on my Vivo Y91C
In cases where the SIM card is not recognized on your Vivo Y91C, below is a list of things that could help you identify the source of the issue, find out repairing the issue.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Vivo Y91C is to clean it up. In truth, 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 location of the SIM card on your Vivo Y91C
From time to time the issue might result from the location of the SIM card. In truth, it often occurs that little 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 Vivo Y91C from reading the SIM card. To fix this issue, 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 cellphone
To find out if the issue originates from the SIM card, you can actually test it on another phone and you will have your answer. In case it is not recognized on other devices, you can actually change the SIM card.
Try another SIM card on your Vivo Y91C
In cases where the two previous steps do not give anything, it truly is necessary to test another SIM card to find out whenever the issue originates from the card. In fact, whenever other SIM card work on the Vivo Y91C, it truly is because the issue originates from the card. Otherwise, it truly is at the level of the cellphone that we will have to look.
Check that your Vivo Y91C is not Simlocker
In case you have tried a lot of SIM cards on the Vivo Y91C and non-e are recognized, the cellphone might be Simlocker. It indicates that the Vivo Y91C 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 could do that.
Check that the problem doesn’t result from the ROM installed on the Vivo Y91C
This part mainly concerns the people who root the Vivo Y91C to install a ROM that is not original. In cases where this is actually what you have completed, be aware that the unrecognized SIM card issue is quite common after setting up new ROMs. We highly recommend that you reinstall an original ROM and re-test it.
In cases where nothing functions
In cases where all the above solutions do not work, we recommend you to bring your Vivo Y91C and the SIM card back to 1 of your operator’s shops.
