Unhappy [Q] Can i kernel update after install Custom Rom

Phone is huawei c8813
bluetooth not work when i install custom firmware

i want and i like most this CM10

i want to try bluetooth driver with kernel

so i download Official kernel from huawei device

i want to know it's ok ?????

official kernel install after Custom firmware ????

Good custom firmware with officail kernel ???

please ......help me .. thanks for all friend ..