You have just acquired an ARCHOS 55 Cobalt Plus and when you turn it on, it displays the following error text: SIM card not recognized. Sometimes the ARCHOS 55 Cobalt Plus does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the ARCHOS 55 Cobalt Plus directly back. In fact, there are a lot of techniques to solve this issue. We will for that reason see in this content, what are the things to do and check so that the SIM card is recognized on your ARCHOS 55 Cobalt Plus.
What to do when the SIM card is not recognized on my ARCHOS 55 Cobalt Plus
If the SIM card is not recognized on your ARCHOS 55 Cobalt Plus, below is a list of things that can help you discover the source of the issue, see repairing the issue.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your ARCHOS 55 Cobalt Plus is to wash it up. Actually, it may possibly happen that dirt partially prevents the contact between the SIM card and the smartphone. 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 ARCHOS 55 Cobalt Plus
Sometimes the issue may possibly result from the location of the SIM card. Actually, it often happens that small metal plugs that normally have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the ARCHOS 55 Cobalt Plus from reading the SIM card. To solve this issue, you simply need to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on another mobile phone
To find out if the issue comes 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 ARCHOS 55 Cobalt Plus
If the two previous steps do not give anything, it is actually important to test another SIM card to find out whenever the issue comes from the card. In fact, whenever other SIM card work on the ARCHOS 55 Cobalt Plus, it is actually because the issue comes from the card. Otherwise, it is actually at the level of the mobile phone that we will have to look.
Confirm that your ARCHOS 55 Cobalt Plus is not Simlocker
If you have tried a lot of SIM cards on the ARCHOS 55 Cobalt Plus and non-e are recognized, the mobile phone might be Simlocker. This means that the ARCHOS 55 Cobalt 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 offer on the net that can do that.
Check that the problem does not result from the ROM installed on the ARCHOS 55 Cobalt Plus
This part mainly concerns the people who root the ARCHOS 55 Cobalt Plus to install a ROM that is not initial. If this is actually what you have done, be aware that the unrecognized SIM card issue is quite common after setting up new ROMs. We highly recommend that you reinstall an initial ROM and re-test it.
If nothing works
If all the above solutions do not work, we advise you to bring your ARCHOS 55 Cobalt Plus and the SIM card back to 1 of your operator’s shops.
