You could use this info. However i suggest you use caution when looking around, the average user can brick their phone if not aware of what they're doing.
LG Hidden Menu .(Works with the 'Boost' variant)
5689#*777#
##3282# (DATA) Service Programmu Menu (Requires MSL/Master Lock Code to edit values)
##3424# (DIAG) DIAG/Diagnostics mode toggle (Requires MSL/Master Lock Code)
##786# (RTN) Accesses the RTN menu
##72786# (SCRTN) Erases OTA provisioned Information (Forces Reboot and a Reactivation on boot will be required)
##873283# (UPDATE) (Forces an Update [Activation/PRL Update/Firmware upgrade])
##564# (LOG) System Error Log Menu
##8378# (TEST) Accesses the test data menu (Requires MSL/Master Lock Code)
##33284# (DEBUG) Accesses Hardware Debug Menu
Enjoy