Sony Xperia XZ1 Manual page 25
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Also See for Xperia XZ1:
- User manual (192 pages) ,
- Basic manual (2 pages) ,
- Startup manual (4 pages)
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Your device may fail to restart if the battery level is low. Connect your device
to a charger and try restarting again.
3. Press and hold down the power key
4. In the menu that opens, tap Restart. The device restarts automatically.
Make sure you have subscribed to use the internet over a mobile network.
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Contact your network operator for detailed information.
Move to another area and try again. In areas with poor reception where there
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may be issues with your network provider's base station, you may lose your
mobile data connection and therefore need to move to a different area.
When you use your device while moving, you may lose your mobile data
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connection due to issues with your network provider's network.
Manually set your device to only use either a WCDMA (3G) or GSM (2G)
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network. Your device is set to automatically select the fastest network available.
If the signal strength of the fastest network is unstable, the device may
repeatedly switch back and forth between mobile networks. Each time the
device switches network, connection is disabled. If you set your device to use
only a WCDMA (3G) or GSM (2G) network, note that it may take several minutes
until your device connects to the selected network .
To select a network mode
1. Find and tap Settings > Network & Internet > Mobile networks.
2. Tap Preferred network type, then select a network mode.
If none of the mentioned solutions solved the issue, try these actions one after the
other. Verify after the first action whether the problem was solved before trying the
next one.
Update your device to ensure that you have optimal performance and the latest
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enhancements.
Perform a factory data reset. This is sometimes the best solution if your device
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stops functioning properly, but note that it will delete all personal content saved
on the internal memory of your device. Make sure to back up data that you want
to keep.
To back up your data using a computer
The device isn't detected by the computer when it's connected using a USB cable
Read about how to update and find latest software version.
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