This document created at Sep 14, 2016, 11:45:18 AM and modified at Apr 14, 2021, 5:35:19 PM.
You can learn here how to enable the LG Diagnostic Serial Port.
For some functions (for example imei repair or Network Factory Reset) you will need to enable the Diagnostic Serial Port. If this is not enabled you will get an error during the procedure saying 'Diag port unavailable'. This is also vital for the 'Developement Support', so that we can in turn support new models for you.
For older models:
For newer models:
In case you cannot get to the hidden menu, or the hidden menu does not contain the option 'Port Check Test', please try the Factory Reset on the phone.
Martview is not our official forum but it can bring help to all our customers, since the questions asked are answered by professionally relevant users and administrators there.Open forum
ClanGSM is not our official forum but it can bring help to all our Spanish-speaking customers, since the questions asked are answered by professionally relevant users and administrators there.Open forum
This is our official English-language forum. We recommend it for all of our users, because many problems and errors have been described and answered here over the years.Open forum