LG -P990 Service Manual page 221

LGE Internal Use Only
Modem Setting
Menu:
Engineering Mode
Band Selection
Auto Call Answering
RRC Version Setting
QCRIL/Android Log On/Off
PDP Setting
HSDPA Category
GSM A5 Algorithm
Protocol Test
GCF Flag
Arm9 Log ON/Off
WPS test
SMS Test
SMS Test ->Automatic Memfull Test
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11. STAND-ALONE TEST
Only for training and service purposes