What is the best way to perform nandroid backup for N9589 MTK6589 Android 4.2.1? I tried vol+power pressed together and only get the factory menu. There is no option to backup at all.
I have no experience with Nandroid. But, on its description, it says a rooted device with busybox required. Have you rooted your phone and installed busybox? Also, it states that not all devices are fully supported at this time.
Another problem can be your recovery image. Do you have CMW 5/6 or TWRP?
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