i have lg android phone "Lg Stylo 5 " and i want to do a sim unlock to it
when i try to do the code (##3424#) the device ask me for a service code
in the case if i wanna edit the settings or any thing in the hidden menu
i don't know what is it
and i tried to install the app for the hidden menu
and it couldn't be installed please help me
the phone's model is "LM_Q720PS"