OK, but, since I made a backup of my device and don't have a regular update,
I just want to be sure that you know what you are doing to prevent accidental bricking, so use it only, if the answer to all those questions is yes.
1) Do you know how to get the parameter.txt from your device and how does it look?
2) Do you know how to use RKAndroid Tool to make a backup of all partitions and how to write them back?
3) Did you succesfully backup the following partitions: Recovery, Kernel, Boot, System?
Backup is here:
https://yadi.sk/d/Vgti3uK47MF3TQ
One last time: Make a backup of the partitions you want to replace before everything else!