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This tutorial will show you several ways to repair the invalid IMEI on an MTK / MediaTek phone. How To Fix Repair Generate Invalid IMEI Tutorial On MediaTek / MTK Phones Damian Parsons How To MediaTek Tutorials fix, imei, invalid, mediatek, mtk, phones, repair, tutorial In that case, you may need to restore your NVRAM from a previous backup or from a friend’s backup.

There are also situations where simply changing the IMEI doesn’t work regardless of method you use to change it. In the meantime, if this doesn’t work for you, please see this search at our forum for more methods. I will be adding more methods over time to this post. To do so, follow the instructions in this post at the forum. In the case that your carrier doesn’t allow this, or if you have some other reason you need to change the stock IMEI, you may need to generate / calculate / find a new IMEI with the correct checksum / check digit on your MTK6589 MTK6589T MTK6592 MTK6595 MTK6572 MTK6582 MTK6577 MTK6516 phones. In some cases, a dual SIM phone will have the same IMEI for both SIM slots.

NOTE: If you get an error regarding “this command not allowed in user build”, then put a space after AT, so it reads for example AT +EGMR=1,7,”THE-IMEI-NUMBER”įor step #6, you should enter the IMEI from the box of your phone or information under the battery.

NOTE: Do not forget the quotes surrounding the number.

Of course where the words are, you will enter a number. For SIM 2, enter AT+EGMR=1,10,”THE-SECOND-IMEI-NUMBER”.

At the AT+ line for SIM 1, enter AT+EGMR=1,7,”THE-FIRST-IMEI-NUMBER”.

Select the SIM you wish to change the IMEI on.

Select CDS Information from the Connectivity tab.

It requires a simple app install, a few taps and one line command.īefore we start, download the engineer app, install and run.