lg bugs in new version

please sir attrition to this issue

i just root lg k550 as normal we did after that i try to unlock but failed here is log

Using Version...1.0.0.0057
Selected Model GT-I5500
Selected Task TMB Unlock(ADB)

Searching ADB device Please wait..
Device Detected...
SELinux := Enforcing
model:= LG-K550
LG TMB Unlocking Started...
SU Version..2.82:SUPERSU
Device is Secure Rooted..uid=0
Reading Please Wait..
Fail to get IMEI....

!!! Fail !!!!
Restart Phone if not auto...
Total Time Take...00:00:31

than i install old one mean 64 version every thing good reading phine good but cannot connect to server here is log

Using Version...1.0.0.0056
Selected Model GT-I5500
Selected Task TMB Unlock(ADB)

Searching ADB device Please wait..
Device Detected...
SELinux := Enforcing
model:= LG-K550
LG TMB Unlocking Started...
SU Version..2.82:SUPERSU
Device is Secure Rooted..uid=0
Reading ASK Please Wait..
Please Wait while...
Please wait starting task...
Server Reply Error := ERR_USE_LATEST_UPDATE_PLEASE..

Fail to check server..LYrBDcAwCANXsiEo5lnRsv9IJVV1n/PJTDyDI9FMOMEbGmvoq0X9xcfBnDXPbduiDouBDraTvkxX6QU=

!!! Fail !!!!
Restart Phone if not auto...
Total Time Take...00:00:07
so please help sir