Restore factory settings for Nokia 5310 XpressMusic phone
To restore the phone back to factory conditions, select
Menu > Settings > Rest. factory sett.
and from thefollowing options:
● Restore settings only — to reset all preferencesettings without deleting any personal data
● Restore all — to reset all preference settings anddelete all personal data, such as contacts, messages,media files and activation keys
Phone will prompt for Security Code: default code is 12345
enter the code, phone will reset and restart