SoftBank 830P User Manual page 221

Note
Software Update failure may disable 830P. Contact SoftBank
!
Customer Center, Customer Assistance (ZP.15-30).
Software Update does not affect Phone Book entries, files saved in
!
Data Folder or other content, but it is recommended that you create a
backup, as appropriate, of any important information and data (note
that some files cannot be copied).
SoftBank is not liable for damages resulting from loss of data,
!
information, etc.
Update may temporarily cancel Keyguard.
!
Alarm tone does not sound during update.
!
! For more information, visit SOFTBANK MOBILE Corp. Website
(http://www.softbank.jp).
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