Lollipop X v2 Rom os 4,4,2 for Lenovo S920 CN Base
from forum.pittech.net
Install via CWM, CTR or TWRP
1. wipe data/factory reset
2. wipe cache partition, mouns and storage
3. format/cache
4. format/data
5. format/system, go back, advanced
6. wipe dalvik cache, go back
7. install zip