SECRET CODES LG K40 - Useful Information / Hidden Mode

Check out more info about LG K40: https://www.hardreset.info/devices/lg... In the following video presentation, you will be able to learn how to use secret codes in LG K40. If you would like to find hidden mode or get access to the super useful information about your LG device, then type combination of signs and numbers to get transfer to the testing menu, calendar storage, IMEI number, Google Play services, and more info. Let’s open the Phone dialer and easily use secret codes LG K40. How to use secret codes in LG K40? How to open hidden mode in LG K40? How to get access to hidden mode in LG K40? How to open service mode in LG K40? Which secret codes works in LG K40? How to find useful info in LG K40? Follow us on Instagram ►   / hardreset.info   Like us on Facebook ►   / hardresetinfo   Tweet us on Twitter ►   / hardreseti