User's Manual

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Appendix
For more details, contact Customer Service Center.
From a fixed-line phone, 0077-7-111
From an au cell phone, 157 without area code
The product supports the software update.
A On the home screen, [APPS] [[Settings]
[[Device info] [[Software update].
B
■ Notes on Software Update
• You are charged for data communication when
connecting to the Internet from the product by using
packet communication.
• When software update is necessary, you will be
informed on au homepage etc. For details, contact an
au shop or Customer Service Center (call toll-free
157). In addition, users of the SHT21 will receive a
notice from au, when the software update is
necessary to improve the functionality of the SHT21.
auIC Card(UIM) error.
is displayed.
• Is an au Micro IC Card (LTE)
inserted? (zP.46)
Cannot recognize a
microSD memory
card/Cannot find
target data.
• Is a microSD memory card inserted
properly? (zP.48)
• Make sure data is not saved on the
main unit (memory). Data can be
saved on the main unit (memory)
besides a microSD memory card.
The power is turned
off automatically.
• Make sure the battery has not run
out. (zP.50)
The power is turned
off while the wake-up
logo is displayed.
• Make sure the battery has not run
out. (zP.50)
(out of service
area) is displayed.
• Is reception good enough? (zP.64)
• Is the product within the service
area? (zP.64)
• Is your finger etc. off the area
around the internal antenna?
(zP. 45)
A message indicating
that charging is
necessary is
displayed.
• The battery is almost empty.
(zP. 50)
Trouble Detail
Updating Software or OS
Software Update
Software
update
Check whether software update is
necessary or not. The confirmation
starts when you tap “Yes”. When it is
necessary, you can download data
for software update.
Auto-check
settings
Set whether to regularly check the
presence of data for software
update available.
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