Rom install:
CWM
Step 1: Download the custom ROM copied to an external SD card root directory
Step 2: the shutdown state. While holding down:
-. Power button + volume button up, to enter the recovery mode
- Wipe Data / Factory Reset -> delete all user data
- Wipe Cache Partition ->...
my K51c78 version is VIBEUI_V2.9_1549_5.6351_ST_K51c78 but has many bugs... can im flash this rom use sp flash tools without loosing emei? tq sir for respond...