The date and time are incorrect.
•
Confirm the date and time settings. From the home screen, tap
→
[Settings] →
[Date & time].
•
Set the date and time automatically.
1.
From the home screen, tap
→
[Settings] →
[Date & time].
2.
Turn on the [Automatic date & time] and [Automatic time zone] (certain models only) checkboxes for v4.2, or tap the [Automatic date & time] and [Automatic time zone] (certain models only) switches to turn them on for v5.1.
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 will not recognize dates after January 18, 2038 for v4.2 or December 30, 2037 for v5.1.
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 or uninstall the problematic app or process.
1.
From the home screen, tap
→
[Settings] →
[Apps].
2.
Select the desired app or process and then tap [Force stop] or [Uninstall].
The screen freezes and no operations can be performed.
•
Press and hold
(power button) for at least 10 seconds to force the unit to restart, and then try again.
I cannot enter text using voice recognition.
•
An Internet connection is needed to enter text using your voice. Make sure the unit can connect to the Internet.
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 (Google services, mobile/cellular networks, etc.).
•
Confirm all relevant settings and contact the service provider if necessary. If the trouble persists, contact your technical support representative.
The unit becomes hot during use and some functions cannot be used.
•
When the unit remains hot for long periods of time, a warning screen about high temperature will be displayed and the unit may stop certain functions. While taking usage conditions and safety into consideration, the unit may restart.
Location information is incorrect.
•
Mobile/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 mobile/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
