Operating Instructions

2. Tap the [Automatic date & time] and [Automatic time zone] (models with wireless WAN only)
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 will not recognize dates after December 31, 2037.
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 (50 °F to 95 °F) 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. Swipe up the home screen, and then in the app list, tap [Settings] ® [Apps & notifications].
2. Select the desired app or process and then tap [UNINSTALL] or [FORCE STOP].
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 networks, etc.).
• Confirm all relevant settings and contact the service provider. If the trouble persists, contact your
technical support representative.
Location information is incorrect.
• Mobile networks (models with wireless WAN 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 network range
– When you are in the following places:
• Inside a building
• 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
60 Operating Instructions - Reference Manual
Troubleshooting