S
af
et
y pr
ecautions
46
<Back up content on the product>
◎
Please back up important content recorded or
downloaded to the product to an outside source.
Content recorded to memory on the product
sometimes disappears or is altered by unexpected
factors, such as static electricity or a fault, repair,
mishandling, etc.
※
How to make backups: Store important data such as
phonebook data, music, photos and videos on microSD
memory cards. You can also send files as mail attachments
or transfer them to your PC. Note, however, that there are
some data that cannot be copied by using these means.
Available security codes
About various security codes
The product has various security codes that you
can use.
The available security codes are as follows. Do
not forget the various security codes that are set
as they are necessary for various operations and
contracts.
■
Security code
Example of
usage
①
To do remote operation of voice mail
and call forwarding services from a
landline phone
②
To use Customer Service Center and to
do various inquiries, applications, and
modifications on the au homepage
Initial value
A four digit number you chose when you
established your cell phone contract
■
Security code to unlock your product
Example of
usage
To set and release the screen lock
Initial value
None
Summary of Contents for HTC J ONE HTL22
Page 10: ...8...
Page 73: ...71 Basic operations Home screen 72 Monitoring the product s status 77 Displaying a menu 79...
Page 82: ...Basic operations 80...
Page 91: ...89 Calling Making calls 90 Receiving calls 92 Checking your phone number 93...
Page 96: ...Calling 94...
Page 97: ...95 Function settings Viewing the Settings menu 96...
