Use: Downloads - R8BA024_RED52 - Top Sony Forums

W880_R8BA024_FS_CENT_EUROPE_RED52
W880_R8BA024_MAIN_GENERIC_AI_RED52

Downloads - w880custpack - Top Sony Forums
HB1-06_Gen_CDA102568_2_R8A_GENERIC_CENT_EUROPE


Then with Setool2lite 1.11 can unlock via patch ;)