LG LX-350, LX-550 Fusic (Sprint): Enter ##33284#. Select Service Screen from Debug menu. Signal is after Rx power. Press CLR to exit or power off. LG PM-225, PM-325, MM-535, LX5400: Press ##33284# or ##33284 then press the blue OK button. LG VX-8700 : Press ##77647268700, then press SEND (##PROGRAM8700 SEND). Service Code, 000000 (six zeros). Scroll to FIELD TEST. Press SELECT. Scroll to SERVICE or SCREEN. Press SELECT. Signal LG VX-9900 (Note: must be done with the keyboard open): Presses ##77647269900 SEND. Enter Service Code, 000000 (six zeros). Scroll to FIELD TEST. Press SELECT. Scroll to SERVICE or SCREEN. Press SELECT. LG VX-10000 (Note: must be done with the keyboard open): Press ##776472610000 SEND (##PROGRAM10000 SEND) Enter Service Code, 000000 (six zeros). Scroll to FIELD TEST. Press SELECT. Scroll to SERVICE or SCREEN. Press SELECT. LG CDMA phones only : Press ##33284# or ##33284, and then press the blue OK button. If asked for a password, it is usually 040793 or 000000. Choose DEBUG SCREEN. Signal strength is after Rx Power. Please LG CG300, C1300, L1400, C2000 (GSM Phones): Enter 2945#*#. Choose Eng Mode (Option 4) Press OK. Then choose Cell Environ (Option 1) Press OK.). LG CU400, CU500, TU550 (GSM ): Enter 277634#*#. Choose Modem Setting (option 5) Press OK. Then choose Engineer Mode (Option 3) Press OK. A yellow window will appear with some information about your tower.
LG 510: Press MENU, 3, 0. Enter Service Code: 000000 (six zeros). Scroll to TEST MODE and select. Scroll to READ RSSI and select. LG Sprint Touchpoint 1100, 2100, 2200, 5250, 5350, 4NE1, 1010, 1200 : Press ##33284. Select SAVE and press OK. Select SERVICE SCREEN and press OK. The signal strength is on the 9th line down (for example, Rx power: -XX). LG VX-5300: Press MENU, 0. Enter Service Code, 000000 (six zeros). Scroll to FIELD TEST. Press SELECT. Scroll to SERVICE or SCREEN. Press SELECT. LG VX-8350: Press ## 77647268350, then press SEND (##PROGRAM8350 SEND). Service Code: 000000 (six zeros). Scroll to FIELD TEST. Press SELECT. Scroll to SCREEN. Press SELECT. LG VX-9800 (Note: must be done with the keyboard open): Press MENU, 0. Enter Service Code, 000000 (six zeros). Scroll to FIELD TEST. Press SELECT. Scroll to SERVICE or SCREEN. Press SELECT.