There are 3 different variants of LG K31 in the USA. The 1st one is the Factory unlocked version with the model number LMK300qm. The 2nd K31 is for Spectrum Mobile with the model number lmk300qm6 & the last one is the K31 Rebel for Tracfone/Straight Talk with model number L355DL.
The dialer codes can vary according to the model number. In this post, we are going to find the different working secret codes for all the K31 variants as follows –
LG K31 Secret Codes/Dialer Codes & Hidden Menu
To enter an LG K31 secret code, we need to open the phone dialer located on the home screen.