183
20.
Others
Troubleshooting
First, try out the following procedures
–
.
Cannot turn the unit on.
≥
Check that the battery is adequately charged.
Touch screen does not operate even when tapping it.
≥
Check that the unit is not in sleep mode.
>
If the unit is in sleep mode, press the [
] to release sleep mode.
The unit does not operate as expected.
≥
Check the following methods.
>
Turn the unit on/off.
>
Turn the unit off, remove the microSIM card and reinsert it.
>
Run an update.
>
With the microUSB terminal disconnected from an AC adaptor or other devices, press and hold the [
] for
approximately 10 seconds until the unit restarts. The unit vibrates as it restarts.
>
Reset the unit.
Forgot how to release the screen lock.
≥
If [Pattern] has been set as the method to release the screen lock:
>
If a Google account has been configured, the [FORGOT PATTERN] is displayed if the incorrect pattern is
entered 5 times.
After tapping [FORGOT PATTERN], enter the Google account and password to release the lock.
≥
If a Google account has been configured, the lock can be released by accessing the following site with a computer
or other device.
>
https://www.google.com/android/devicemanager
After logging in, check the device to release and select [Lock], and follow the instructions on the screen to set a
new password.
Entering the new password into the unit will release the lock.
Cannot charge the battery.
≥
Check the connection of the AC adaptor.
≥
Check the surrounding temperature.
The battery charging icon is not displayed.
≥
It takes time from when charging starts to when the icon is displayed.
The battery usage time is short.
≥
The usage time becomes shorter due to various factors, including how often the unit is used, the configuration
settings in the unit and the network status.
The unit becomes warm.
≥
The unit may become warm during use or while charging. This is not a problem from an operational perspective, and
should be left as is.