Learn how to repair imei with issues or after flashing your device and you are unable to connect to your carrier because of missing imei with mtk droid tools. works for blu and other android based. Download an install mtk droid tools form here launch mtk droid tools enable usb debug mode on the device settings > developers option > enable (tick) usb debugging in case you don't find developer option in settings menu, goto about and tap build number 7 times. after that developers option will be isted in settings menu.. Root , backup apps, repair imei using mtk droid tool also install cwm recovery working on mediatek chipsets device like micromax, karbonn, lenovo, xolo, honor holly also work to root install cwm , also you can backup stock recovery.
Wait a few seconds and mtk droid tool will detect your device. click root button so that mtk droid tool can access root shell until green color. more details see the picture above. click imei/nvram button. click restore and select all nvram backup files. restore process will run automatically. to change imei press the replace imei button.. Extract the mtk droid tools you downloaded. it would be extracted to the same folder the zipped file was except you change the location. on extraction, you would get a "mtkdroidtools" folder.. After successful rooting now connect your phone to mtk droid tools and again press root button and grant root access to mtk droid tools. now click on imei/nvram tab. now as you see in the image above you can see two boxes imei1 and imei 2. now enter your device imei numbers manually in those two boxes..
