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Sony
Xperia E4
Basic functions
Sony Xperia E4
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Getting started
Basic functions
Calls, contacts & calendar
Messaging & email
Internet & entertainment
Data & wireless
Popular apps
Sound settings
Select ring volume
Select ring tone
Turn vibration on or off
Turn silent mode on or off
Select message tone
Display settings
Select language
Personalise your phone display
Set date and time
Adjust display brightness
Security, PIN & PUK codes
Turn use of phone lock code on or off
Change PIN
Turn use of PIN on or off
Change phone lock code
View network lock status
Retrieve PUK code and unlock SIM
Software update
View software version
Restore factory default settings
Back up phone memory
Update phone software