Quote Originally Posted by Dunkwho View Post
Actually my phone is Europe2 so I used

K810_R8BA024_FS_EUROPE_2_RED52
K810_R8BA024_MAIN_GENERIC_SM_RED52
K810i_CDA102779_32_R11A_O2_United_Kingdom

To update it and get it back to O2 "standard".
K810_R8BA024_FS_EUROPE_2_RED52
K810_R8BA024_MAIN_GENERIC_SM_RED52
HB1-06_Gen_CDA102568_11_R8A_GENERIC_EUROPE_2

To get back O2 software use these files:

K810_R8BA024_MAIN_ORANGE_SM_RED52
K810_R8BA024_FS_ORANGE_GEN_RED52
K810i_CDA102779_23_R12A_Orange_United_Kingdom