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Software update
When a new system software is available, a notification message is shown.
Press Software update Check for updates to manually check if
there’s a software update available and perform it. Select it to start down-
loading. The download time may vary depending on Internet connection.
We recommend that you always update your device to the latest software
version to get optimal performance and the latest enhancements. You
need to have a working data connection to be able to perform the update
with the firmware over-the-air (FOTA) service. See Mobile network, p.27 or
Wi-Fi, p.26 on how to activate a data connection.
1. Press and hold Settings System Software
update.
2. Press Check for updates to manually check if there’s a software up-
date available.
3. Press Settings for software update settings:
• Automatically check for update to set how often the phone au-
tomatically should check for new updates.
• Updates via Wi-Fi only, to only allow update packages to be
downloaded over Wi-Fi network.
• Allow automatic download over Wi-Fi network to allow update
packages to be downloaded automatically
Reset options
Reset app preferences
1. Press and hold Settings System Reset options
Reset app preferences.
2. Press Reset apps to reset all preferences for: disabled apps, disabled
app notifications, default applications for actions, background data re-
strictions for apps and any permission restrictions. You will not lose
any app data.
Erase all data (factory reset)
1. Press and hold Settings System Reset options
Erase all data (factory reset).
2. Press Reset phone to delete all data from your phone's internal stor-
age, including: accounts, system and app data and settings, music,
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