Telstra T503 - Page 18

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SETTINGS - Device
Display
Change display brightness, wallpaper and
backlighting
Date & time
Set the date and time manually,
or use Automatic for Network based time
SIM card lock
Set a PIN for your SIM card
Factory reset
Reset to factory settings.
This will erase all your user data
(SMS, Call history, phone Contacts
[not SIM card Contacts])
SETTINGS - System
Storage
Check available device memory
System update
Check you have the latest device firmware
About phone
Device information