User Manual

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12 Software update
To access System Updates, please open Settings>About>AT&T
Software updates. Touch Check for updates, and the device
will search for the latest software. If you want to update the
system, please touch the button Download, after downloading,
please touch Install to complete the upgrade. Now your
device’s software is on the latest version.
You should turn on data connection before searching for
updates. Settings for auto-check intervals and reminders
about upgrades are also available once you restart the device.
If you have chosen auto-check, the icon will appear in
the status bar when the system discovers a new version.
Touch the notification to access the AT&T Software Updates
directly.
13 Accessories .................................
Included accessories
1. Charger
2. USB cable
Only use your device with the charger and accessories
in your box.
14 Troubleshooting ........................
Before contacting the service centre, you are advised to
follow the instructions below:
• You are advised to fully charge ( ) the battery for optimal
operation.
• Avoid storing large amounts of data in your device as this
may affect its performance.
• Use Factory date reset and the upgrade tool to perform
device formatting or software upgrading. ALL User device
data: contacts, photos, messages and files, downloaded
applications will be lost permanently. It is strongly advised
to fully backup the device data and profile via Android
Manager before doing formatting and upgrading.
My device cannot be switched on or is frozen
• When the device cannot be switched on, charge for at least
20 minutes to ensure the minimum battery power needed,
then try to switch on again.
• When the device falls into a loop during power on-off
animation and the user interface cannot be accessed,
press and hold the Volume down key to enter Safe Mode.
This eliminates any abnormal OS booting issues caused by
3rd party apps.
• If neither method is effective, please power off the device
using the Power key and the Volume up key, (holding both
together).
My device has not responded for several minutes
• Restart your device by pressing and holding the Power key.
My device turns off by itself
• Check that your screen is locked when you are not using
your device, and make sure the Power key is not mis-
contacted due to unlocked screen.
• Check the battery charge level.
• My device cannot charge properly
• Make sure that your battery is not completely discharged;