31Notes on UsageNotes on data communication charge• Since a constant Internet connection is possible with thisproduct, data communication may be performed automaticallyby some applications, resulting in high data communicationcharges. Therefore, subscription to a data communicationcharge discount service or flat late plan is recommended.• To browse homepages, download applications, communicateusing applications, send/receive E-mails and configure varioussettings, connection to the Internet is required, to which datacommunication charge applies.* Data communication charge does not apply to Wi-Fi® connection.Notes on applications• Be sure to check the security of the application, then installit at your own risk. Some applications might cause virusinfection, damage various data, and send out your locationinformation, usage history or personal information stored inyour cell phone via the Internet.• The Company assumes no responsibility for any problems thatmight be caused by the applications you have installed. Insuch case, you may be charged a repair fee even during thewarranty period.• The Company assumes no responsibility for any disadvantagebrought to you or any third party by applications you haveinstalled.• Insertion of a microSD memory card is necessary to use someapplications.• Some applications prohibit the product from entering sleepmode while they are active, or rapidly drain the battery whilerunning in the background.• Operational procedures and screen appearances of theapplications preinstalled in this product and those installedby you are subject to change without notice as a result ofversion upgrade. In addition, operating procedures describedin this manual may differ from the actual procedures.