para liberar w800,k750(cid 36),z520,k700,k300,k500,k600 te recomiendo el setool 2 cracked.
el semctool 8.4 solo libera telefonos cid 49 y antes de liberar tienes que flashear con un firmware soportado que son estos.
Supported versions for CID49 autorecovery:
K510_R4CH003_CXC1250231_GENERIC_CO
K510_R4CH003_CXC1250232_CHINA_CO
K510_R4CH003_CXC1250233_HONG_KONG_CO
K510_R4CH003_CXC1250234_TAIWAN_CO
K510_R4CH003_CXC1250242_ORANGE_CO
K600_R1K001_CXC1250014_EU_1_MI
K600_R1K001_CXC1250079_CHINA_MI
K600_R2F015_CXC1250014_EU_1_MI
K600_R2F015_CXC1250079_CHINA_MI
K600_R2F015_CXC1250080_HONG_KONG_MI
K600_R2F015_CXC1250081_TAIWAN_MI
K600_R2J005_CXC1250014_EU_1_MI
K600_R2J005_CXC1250079_CHINA_MI
K600_R2J005_CXC1250080_HONG_KONG_MI
K600_R2J005_CXC1250081_TAIWAN_MI
K600_R2AB002_CXC1250075_EU_3_MI
K600_R2AB002_CXC1250076_EU_6_MI
K600_R2AB002_CXC1250079_CHINA_MI
K600_R2AB002_CXC1250081_TAIWAN_MI
K600_R2AC001_CXC1250076_EU_6_MI
K600_R2AE001_CXC1250014_EU_1_MI
K600_R2BA019_CXC1250014_EU_1_MI
K600_R2F015_CXC1250014_EU_1_MI
K600_R2L002_CXC1250077_EU_5_MI
K600_R2M001_CXC1250077_EU_5_MI
K600_R2T002_CXC1250014_EU_1_MI
K600_R2T002_CXC1250079_CHINA_MI
K600_R2T002_CXC1250080_HONG_KONG_MI
K600_R2T002_CXC1250081_TAIWAN_MI
K750_R1AA008_CXC1250035_EU_2_CL
K750_R1AA008_CXC1250036_EU_3_CL
K750_R1AA008_CXC125952_EU_1_CL
K750_R1BC002_CXC1250035_EU_2_CL
K750_R1BC002_CXC1250073_CMCC_CL
K750_R1BC002_CXC125952_EU_1_CL
K750_R1BC002_CXC125954_CHINA_CL
K750_R1BC002_CXC125955_HONG_KONG_CL
K750_R1BC002_CXC125956_TAIWAN_CL
K750_R1BD001_CXC125952_EU_1_CL
V600_R2AB002_CXC1250074_EU_2_MI
V600_R2AC001_CXC1250074_EU_2_MI
V600_R2AD004_CXC1250074_EU_2_MI
V600_R2AE001_CXC1250074_EU_2_MI
V600_R2AF001_CXC1250074_EU_2_MI
V600_R2AG001_CXC1250074_EU_2_MI
V600_R2BA019_CXC1250074_EU_2_MI
V600_R2K005_CXC1250074_EU_2_MI
V600_R2T002_CXC1250074_EU_2_MI
W550_R4AB048_CXC1250031_GENERIC_EL
W550_R4AB048_CXC1250086_CHINA_EL
W550_R4AB048_CXC1250087_HONG_KONG_EL
W550_R4AB048_CXC1250088_TAIWAN_EL
W550_R4AB048_CXC1250089_CMCC_EL
W550_R4BA041_CXC1250031_GENERIC_EL
W550_R4BA041_CXC1250086_CHINA_EL
W550_R4BA041_CXC1250087_HONG_KONG_EL
W550_R4CA004_CXC1250031_GENERIC_EL
W550_R4CA004_CXC1250086_CHINA_EL
W550_R4CA004_CXC1250087_HONG_KONG_EL
W550_R4CA004_CXC1250088_TAIWAN_EL
W550_R4CB020_CXC1250031_GENERIC_EL
W550_R4CB020_CXC1250086_CHINA_EL
W550_R4CB020_CXC1250087_HONG_KONG_EL
W550_R4CB020_CXC1250088_TAIWAN_EL
W550_R4CB020_CXC1250089_CMCC_EL
W600_R7B039_CXC1123106_GENERIC_EE
W600_R7B039_CXC1123106_NAM_1_EE
W600_R7B046_CXC1123106_NAM_1_EE
W600_R7B046_CXC1123106_NAM_2_EE
W600_R7B049_CXC1123106_CMCC_EE
W900_R4CA004_CXC1250057_EU1_SA
W900_R5AF001_CXC1250057_GENERIC_SA
W900_R5AF001_CXC1250247_VODAFONE_SA
W900_R5AF001_CXC1250252_CHINA_SA
W900_R5AF001_CXC1250254_TAIWAN_SA
W900_R5AG001_CXC1250253_HONG_KONG_SA
W900_R5AG001_CXC1250254_TAIWAN_SA
W900_R5AG001_CXC1250057_GENERIC_SA
W900_R5AG001_CXC1250247_VODAFONE_SA
W900_R5AG001_CXC1250252_CHINA_SA
W900_R5AH001_CXC1250057_GENERIC_SA
W900_R5AH001_CXC1250250_HUTCHISON_SA
W900_R5BB001_CXC1250057_GENERIC_SA
W900_R5BB001_CXC1250247_VODAFONE_SA
W900_R5BB001_CXC1250252_CHINA_SA
W900_R5BB001_CXC1250253_HONG_KONG_SA
W900_R5BB001_CXC1250254_TAIWAN_SA
W900_R5BC004_CXC1250057_GENERIC_SA
W900_R5BC004_CXC1250252_CHINA_SA
W900_R5BC004_CXC1250254_TAIWAN_SA
W810_R4CE012_CXC1250316_GENERIC_HN
W810_R4CE012_CXC1250317_CHINA_HN
W810_R4CE012_CXC1250318_HONG_KONG_HN
W810_R4CE012_CXC1250320_VODAFONE_HN
W810_R4CF002_CXC1250317_CHINA_HN
W810_R4CF002_CXC1250321_ORANGE_HN
W810_R4CF002_CXC1250319_TAIWAN_HN
W810_R4CK003_CXC1250316_GENERIC_HN
W810_R4CK003_CXC1250317_CHINA_HN
W810_R4CK003_CXC1250319_TAIWAN_HN
W810_R4CK003_CXC1250318_HONG_KONG_HN
Z530_R6AC001_CXC1250454_GENERIC_MU
Z530_R6AC001_CXC1250455_CHINA_MU
Z530_R6AC001_CXC1250457_HONG_KONG_MU
Z530_R6AC001_CXC1250458_TAIWAN_MU

para los "P" y algunos "T" te recomiendo PPB_SonyEricsson_1.2 (semctool 1.2) o tambien esta la vercion 2,3.3,5. todas cracked.
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