LG G4020 - Manual (Page 73)

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Games & Apps
View Information Menu 4.3
The downloaded programs using WAP are stored in the phone memory.
There is a maximum memory capacity in a phone and once you exceed this
memory, you will not be able to store any more programs. The View
Information menu allows you to check the available memory capacity in a
phone.
Memory Status (Menu 4.3.1)
Displays maximum memory capacity and total available memory
information.
Java Version (Menu 4.3.2)
Displays current Java version.