The date and time are incorrect.
•
Confirm the date and time settings. Flick the Start screen to the left, and then in the All apps list, tap [Settings] → [Time & language] → [Date & time].
•
Set the date and time automatically.
1.
Flick the Start screen to the left, and then in the All apps list, tap [Settings] → [Time & language] → [Date & time].
2.
Tap the [Set date and time automatically] and [Set time zone automatically] switches to turn them on.
3.
Make sure the unit is in an area with good wireless reception, turn the unit off, and then turn it on again.
The unit’s operation is slow.
•
Ambient temperature may be too low or too high. Leave the unit in an environment of 10 °C to 35 °C for about an hour and then try again.
The unit does not respond.
•
Turn the unit off and then on again.
•
If an app does not work normally, follow the instructions below to force quit the problematic app.
1.
Press and hold

(Back button) to display the App switcher, and then flick between the screens to select the desired app.
2.
Flick the desired app downwards to force quit.
The screen freezes and no operations can be performed.
•
Press and hold

(power button) for at least 10 seconds, or press and hold

(power button) and
[-] of the Volume button for at least 10 seconds to force the unit to restart, and then try again.
Some apps do not function after updating the unit’s software.
•
The apps may not be compatible with the newest version of the unit’s software. To return the unit to the previous version of the software, contact your technical support representative.
The unit cannot connect to external services (Windows services, cellular networks, etc.).
•
Confirm all relevant settings and contact the service provider. If the trouble persists, contact your technical support representative.
Barcode reading is slow.
The laser pointer is not emitted.
•
When using the unit in a high temperature environment for long periods of time, the laser pointer may not emit, or reading may take some time. In this case, leave the unit in an environment of 10 °C to 35 °C for about an hour and then try again. The unit can read barcodes even if the laser pointer is not emitted.
Location information is incorrect.
•
Cellular networks (certain models only) and radio waves from satellites are used to acquire location information.
Positioning may take time, or location information may be less accurate under the following conditions because radio wave signal reception is poor.
–
Immediately after turning on the unit
–
When acquiring location information for the first time
–
When out of the cellular network range
–
When you are in the following places:
•
Inside a vehicle such as car or train
•
Inside a tunnel or underground
•
Under an elevated bridge
•
In a city with skyscrapers
•
In an area dense with trees
•
In a mountainous region