agree with chiragp all the info available in cruiser help plz read mannual
Unlock LG U813x/U8180/U83x0
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To unlock these phones you have to follow these instructions:
· Attach the phone.
· Press Unlock by patching button and wait for a while to let Cruiser remove firmware locks.
· Turn off the phone by pressing Ctrl-O, your phone should be unlocked now.
There are several different types of firmware locks. Some of them may be left unused for particular phone type.
· SIM-lock check - processes GDFS operator locks
· Operator check - represents operator check hardwired to the firmware source code
· Incomplete SIM-card init - prevents 2G SIM-card usage
· Antitamper code - prevents unauthorized firmware modification
· OTP restriction code - checks whether the firmware is allowed to run in the phone
The more recent phone model or firmware, the more locks are employed. If antitampering or OTP restriction code is present in the phone, and Cruiser fails to patch it properly (yes, this may happen), the phone becomes dead. In this case just restore partial firmware backup by flashing it back to the phone. This backup file is made by Cruiser automatically before patching. Usually you may find it in the folder named
"c:\Program Files\Cruiser\Data\ARM flash backups\LG U8***\<Phone IMEI>"
You should also report the of*****ng phone type and its firmware version in Cruiser support forum.
see what in mannual if u dont read