Fujitsu ARROWS NX F-01K Instruction Manual page 227

From the terminal dメニュー (dmenu)→"My docomo（お客様サポート）(My docomo (Customer support))" (in Japanese only)
From PCs My docomo (https://www.nttdocomo.co.jp/mydocomo/) (in Japanese only)
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There are cases where the site may not be available depending on system maintenance or subscription, etc.
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You need "Network security code" and "ID/Password of d ACCOUNT" to use "My docomo".
■ From DOCOMO mobile phones
-81-3-6832-6600 (toll free)
Display "+"
(To enter "+", touch and hold the "0" key)
You can use international call access numbers instead of "+" to call.
■ From land-line phones
International call access number
for the country you stay
You are charged a call fee to Japan.
For international call access numbers, refer to NTT DOCOMO website.
Business hours: 24 hours (open all year round)
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Please confirm the phone number before you dial.
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If you lose your terminal or have it stolen, immediately take the steps necessary for suspending the use of the terminal.
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If the terminal you purchased is damaged, bring your terminal to a repair counter specified by DOCOMO after returning to Japan.
Online Procedures, Confirmation of Subscription, etc.
For inquiries while overseas (for loss, theft, malfunction, etc.)
-81-3-6832-6600 (charges apply)