SoftBank 830CA User Manual page 288

Software Update
Using Regular Updates
A confirmation window for software
update opens at the scheduled time.
Press d or leave handset for a while to
start automatic software update.
If other functions are being used at the
●
scheduled time, software update
cannot start. End all functions to open
the software update confirmation
window (if you keep using other
functions for more than ten minutes
after a scheduled time, software update
is canceled).
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