help with firmware debrand for k770i

[riders4sia]

Read here : Flash K800 CID53 with K810 software CID53 (for begginers) - Top Sony Forums and use these files
K770_R8BE001_MAIN_GENERIC_VI_RED53
K770_R8BE001_FS_EUROPE_4_RED53
HB1-06_Gen_CDA102568_13_R8A_GENERIC_EUROPE_4

[jasonx1]

all flashed with jd flasher . all booted up but there is no call buttons . any help getting the call and end buttons working again i flashed it back to vodafone and i got my buttons back . but reall need to debrand it with working software

thanks
ps can i unlock my phone with a vkp file i made for the firmware cheers