All LG phones have a few hidden secret codes which take us to a secret menu. These dialer codes can be extremely useful for phone testing or troubleshooting.
LG K20 Plus as well has few useful codes. They work on both MetroPCS and T Mobile variants of K20 Plus.
The most useful secret menu on K20 plus is the “Hidden Menu”. Let’s explore all the codes one by one starting with the Hidden Menu –
1. LG K20 Plus Hidden Menu
To enter the Hidden Menu open your K20 Plus phone dialer and dial 277634#*#
As soon as we add the # in the end, it directly takes us to the hidden menu –
The hidden menu has an extensive list of options. Most of the options are meant for LG service technicians and should not be messed with.
However, we can make use of a hidden menu for testing out Bluetooth, Wifi, GPS, Battery, Data connectivity, etc.
Check out the above video for a detailed overview of the hidden menu
2. LG K20 Plus Secret Code for Phone Testing
K20 has got a useful secret code for phone testing. The dialer code for “Testing” Menu is *#*#4636#*#*
The first option in the “Testing” menu is “Phone Information”.It’s usually accessible on other GSM phones, but in case of MetroPCS K20 Plus, the access is denied.
It says ” This application does not work on this device”
The phone information menu is used to choose between various network modes. It’s more useful in case of
GSM + CDMA phone for switching networks.
The second option in the “Testing” menu is “Battery Information”
Here we get a detailed report of the battery including its health, voltage, and temperature.
The next option in the “Testing” menu is “Usage Statistics”
“Usage Statistics” keeps a tab on the app usage duration along with the date it was used last time.
The last option in the “Testing” menu is “Wifi Information”
Wifi config gives us a detailed analysis of all the previously configured wifi networks.
Wifi status gives us the current report of the wifi connection.
We can Run ping test to troubleshoot wifi connectivity problems.
3. LG K20 Plus Dialer Code for IMEI
IMEI number is usually needed for unlocking the phone via paid unlock service. For K20 Plus device unlock service you need to provide the IMEI number.
There are different ways to check out the K20 Plus IMEI but the easiest one is via the dialer code.
1. Open the K20 plus phone dialer and dial *#06#
This will reveal the IMEI of your phone.
2. The second method to check the IMEI is by going to Settings < General Tab < About Phone < Status
3. The IMEI number can also be found under the battery.
4. The last method to check out the IMEI number is –
Turn OFF your K20 Plus.
Now turn it ON by pressing all the 3 hardware keys i.e Volume Up + Volume Down + Power Button
A white “IMEI display” screen will appear with your phone’s IMEI and serial number.
If you know any other working Secret code for LG K20 Plus please share it via the comment section below.