You have just acquired an Doro PhoneEasy 740 and when you turn it on, it displays the following error message: SIM card not recognized. Occasionally the Doro PhoneEasy 740 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the Doro PhoneEasy 740 directly back. Indeed, there are several techniques to fix this problem. We will therefore observe in this article, what are the things to do and verify in order that the SIM card is recognized on your Doro PhoneEasy 740.
How to proceed when the SIM card is not recognized on my Doro PhoneEasy 740
Whenever the SIM card is not recognized on your Doro PhoneEasy 740, below is a list of things that will help you identify the source of the problem, observe repairing the problem.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Doro PhoneEasy 740 is to wash it up. In fact, it may possibly 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 Doro PhoneEasy 740
Occasionally the problem may possibly be caused by 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 relaxed. When this is the case, this prevents the Doro PhoneEasy 740 from reading the SIM card. To fix this problem, you just need to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on a different telephone
To find out if the problem originates from the SIM card, youre able to test it on a different phone and you will have your answer. If it is not recognized on other devices, youre able to change the SIM card.
Try another SIM card on your Doro PhoneEasy 740
Whenever the two previous steps do not give anything, it’s required to test a different SIM card to find out in cases where the problem originates from the card. Indeed, in cases where other SIM card work on the Doro PhoneEasy 740, it’s because the problem originates from the card. Otherwise, it’s at the level of the telephone that we will have to look.
Verify that your Doro PhoneEasy 740 is not Simlocker
When you have tried several SIM cards on the Doro PhoneEasy 740 and none are recognized, the telephone could possibly be Simlocker. It indicates that the Doro PhoneEasy 740 will recognize simply the SIM card of a certain operator. In this circumstance, 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 doesn’t be caused by the ROM installed on the Doro PhoneEasy 740
This part mainly concerns the people who root the Doro PhoneEasy 740 to install a ROM that is not original. Whenever this is actually what you have done, be aware that the unrecognized SIM card problem is quite common after setting up new ROMs. We recommend that you reinstall an original ROM and re-test it.
Whenever nothing works
Whenever all the above solutions do not work, we advise you to bring your Doro PhoneEasy 740 and the SIM card back to 1 of your operator’s shops.
