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in [Update Information] to Japanese
web page
▶
[提供中の製品アップデート
情報(Product update information)]
(
https://www.nttdocomo.co.jp/
support/utilization/product_update/
list/index.html
)
(in Japanese only)
Terms of Use
If using packet communication
with Xi or FOMA, set the access
point to sp-mode or mopera mode.
However, updating by Xi/FOMA
incurs packet communication
charges; updating by Wi-Fi
connection is recommended.
Updating is not possible if the
software has been modified.
While a system update can be
performed while data stored on the
terminal remains as it is, however,
depending on the condition of your
terminal (malfunction, damage,
water seepage, etc.), data may not
be protected. It is recommended
to back up important data
beforehand.
153
Appendix/Index