Philips XENIUM 9@9K CT9A9KBRN - Manual (Page 81)

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When attempting to use a feature in the
menu, the mobile displays NOT
ALLOWED
Some features are network dependent. Therefore,
they are only available if the network or your
subscription supports them. Contact your operator
for detailed information on this subject.
Your phone is not charging
If your battery is completely flat, it might take several
minutes of pre-charge (up to 10 minutes in some
cases) before the charging icon is displayed on the
screen.