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Appendix
Troubleshooting
Before you assume that the product is
malfunctioning, check for possible remedies in "ク
イック診断 (Quick check)" and "トラブル診断 (Trouble
check)" on "故障紛失サポート (Repair and Delivery
Support)" app.
■ Quick check
Home screen → [ ] → [サポート (Support)] →
[故障紛失サポート (Repair and Delivery Support)]
→ [クイック診断してみる (Try quick check)]
(Displayed language is Japanese only)
■ Trouble check
Home screen → [ ] → [サポート (Support)] → [故
障紛失サポート (Repair and Delivery Support)] →
[便利な機能 (Useful functions)] → [トラブル診断を
試す (Try trouble check)] (Displayed language is
Japanese only)
Also available on the following au home page.
https://www.au.com/trouble-check/
See also "Online Manual" (Japanese) or "取扱説
明書 詳細版 (Full Instruction Manual)" (Japanese)
available on the au homepage.
https://www.au.com/online-manual/kyv46/
https://www.au.com/support/service/mobile/
guide/manual/
Trouble
Detail
Page
Cannot turn on
power
Is the battery pack charged?
P. 64
Is the battery pack attached
properly?
P. 56
Are the terminals of the
battery pack dirty?
-
F
(Power button) pressed
and held until the charging
light turns on?
P. 69
Cannot charge
Is the specified charger
(sold separately) connected
properly?
P. 65
Is the battery pack attached
properly?
P. 56
Is the product or the battery
at a high or low temperature?
The product may stop
charging depending on
temperature.
P. 64
Is the specified accessory
(adapter, etc.) used for
charging?
P. 65
Cannot
authenticate
the fingerprint
Check for scratches on the
fingerprint sensor and wipe
off dirt on it.
P. 77
Check if your fingerprint is
stained, wet, or dry.
P. 77