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Capabilities (Symbian Signed)/WriteUserData Capability

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Created: hamishwillee (16 Dec 2010)
Last edited: hamishwillee (16 Dec 2011)

The WriteUserData capability protects access to certain data that is considered private to the phone user, i.e. contacts, calendar entries and messages. It supports the integrity of the user data, so that the user can be sure that it is correct. The application of this capability is not necessarily symmetrical with the 'ReadUserData' capability.

This capability can be used with self-signed applications.


  • For reading user data, see ReadUserData.
  • ReadUserData and WriteUserData are not always symmetric. You don't necessarily get read and write access to same areas via them.


An application with this capability may modify or even delete the users important information. This is a User Capability so the user will be warned that the application may do these things on installation.


  • Phone book
  • Call history
  • Messages
  • etc


Third-party replacements for the built in personal information management applications - phonebooks, calendars and messaging applications.

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This page was last modified on 16 December 2011, at 03:57.
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