LG K30 has got a few very useful secret codes. The “Hidden Menu” is the most useful dialer code with an extensive list of troubleshooting options. These codes work for both MetroPCS & T-Mobile LG K30. For LG K30, there are 6 Secret codes in total.
Let’s start with the most popular dialer code for finding the phone IMEI which is common for almost every GSM phone globally.
1. LG K30 IMEI Dialer Code

The IMEI of LG K30 can be found in Settings < System < About Phone < Status.
The quicker method is to dial *#06# on the phone dialer.
A pop-up would appear showing the IMEI number of your LG K30.
IMEI is mostly needed while unlocking the phone for other GSM networks.
With the next dialer code, we can open the LG K30 “Testing” Menu –