Short Description:
Update your phone to latest baseband before installing new ROMs.[current for W8 - 015]
Kernel and baseband are related to each other, so if you have baseband 006, you'll have 2.0.2.A.0.24 kernel, and with baseband 015 you'll get 2.1.1.A.0.6 kernel.
To check baseband - Settings > About Phone > Baseband version.
