IMEI FIX FOR MT6755/6753 If you do not want to read this story then skip this i have written the Fix for Lenovo K5 note or MT6755 and MT 6753 in this post after the story. My friend bought Lenovo k5 note a month ago and he tried to change the LTE band to band 4 0 using android MTK engineering mode . After he restarted phone IMEI got lost and NVRAM WARNING: Err = 0x10 comes up. After so he contacted the Lenovo Care. At Lenovo care they told my fried to change the Chip which is cost around 8000/-(INR) my friend refused to do same. And then he asked me to repair his Lenovo K5 note. The same thing is happened with me with my Lenovo K4 note , but in my case i have accidentally selected Format All+ Download in SP flash tool . I tried to fix for 2 days after that i gave up and took my phone to nearest mobile repair Shop. They fixed IMEI but not able to fix NVRAM WARNING : Err= 0x10 and S/N 00000000 . To fix that temporary i have rooted my Lenovo K4 ...