User's Manual

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SIMmanagement
1. SIM card information: Users can open and close the SIM card
2. Default settings: Users can voice calls, messages; data connection is the default
setting
3. Settings: a) international roaming, data roaming user can choose
b Display roaming reminder, user-selectable time / always / never.
4. Insert the SIM card，The status bar displays as ，SIM card is displayed as
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Datausage
Users can view the recent SIM card or WIFI use traffic.