Engineering Mode - LG GB195 Service Manual

10.Engineering Mode

1. Test purpose
a) To verify Appearance by visual check
b) To verify recognition of SIM card
c) To verify Function Test in the table shown as below
d) To verify power down phone
2. Test System
1. Power Supply Unit (PSU)+Dummy Battery or Battery
2. Test SIM Card (Spec: GSM Phase 2+ Test SIM Standard 1(3.1))
3. Sample Hands free Kit (SHF, Stereo)
3. Test Procedure
3.1 Appearance Test
Verify appearance by visual check
3.2 SIM Test
Verify recognition of SIM card
If "Insert SIM" indicated on Display, it is NG.
3.3 Enter Service Mode
3.1.1 No SIM Card installed
3.1.2 SIM Card installed
3.1.3 Software Version Check
a. Power on Phone
b. Press 878 to enter service mode.
a. Power on Phone
b. Press *#878# to enter service mode.
Select item 8 "Version" in Factory mode to check software version.
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