samsung b5722 hang in logo fixed with the help of z3x here is the procedure
select model b5772_m
press erase
use BB5722XXIL1_Master.cla + B5722XXIL1_Master.tfs + B5722OXCIL1.csc press firmware
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select model b5722_s
press erase
use B5722XXIL1_Slave.clas + B5722XXIL1_Slave.tfs press firmware
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select model b5722_m
enter imei SIM 1 y S/N
settings model => flash mode press Custom
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select model b5722_s
enter imei SIM 2y S/N press Custom
successfully flash.... ))