the usual ... Here is my of IMEI repair for the following models
LG MS631/H345 "Stylo/Leon" the usual before anything please make a backup of your QCN/NV_items you will need it at the end!
Go to this link over at xda-developers and thank DrakenFX for the Root!
To enable ports
go to dialer
enter 277634#*# scroll all the way to the bottom and you will see
Port check test and Enable it ...
Lets get started..
Your Device must be rooted!
open Command prompt inside your ADB folder ...
Send the following commands...
|dd if=/dev/zero of=/dev/block/mmcblk0p15|
|dd if=/dev/zero of=/dev/block/mmcblk0p16|
dd if=/dev/zero of=/dev/block/mmcblk0p20
Load your QCN/NV-Items using QPST
and use "EFS Pro/DFS Tool" to write your IMEI DONE!
I personally use CDMA Workshop Paid Version!
Note: Nothing should happen to your device!... Please make sure you backup your EFS and QCN/nv-items!
Credits: to F_X and Roberto for reading out the partitions for me since i didn't had these devices in hand..
And to myself for making sure nothing went wrong