User's Manual

Reset your usage statistics: Choose General > Usage, then tap Reset Statistics to clear
the data and cumulative time statistics. The statistics for the amount of time iPhone
has been unlocked and in standby mode aren’t reset.
Network
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6WTP)QPQTQÒ)5/OQFGNUChoose General > Network, then tap to turn 3G on
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Using 3G loads Internet data faster in some cases, but may decrease battery
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extend battery performance.
6WTP%GNNWNCT&CVCQPQTQÒChoose General > Network, then turn Cellular Data on
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Wi-Fi network. By default, Cellular Data is turned on.
6WTP&CVC4QCOKPIQPQTQÒChoose General > Network, then turn Data Roaming
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Data Roaming turns on Internet and visual voicemail access over a cellular data
network when you’re in an area not covered by your carrier’s network. For example,
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6WTP2GTUQPCN*QVURQVQPQTQÒChoose General > Network > Personal Hotspot,
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See “Personal Hotspot” on page 24.
#FFCPGY820EQP°IWTCVKQPChoose General > Network > VPN > Add VPN
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VPNs used within organizations allow you to communicate private information
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to access your work email on iPhone.
iPhone can connect to VPNs that use the L2TP, PPTP, or Cisco IPSec protocols. VPN
works over both Wi-Fi and cellular data network connections.
Ask your network administrator which settings to use. In most cases, if you’ve set up
VPN on your computer, you can use the same VPN settings for iPhone.
Once you enter VPN settings, a VPN switch appears in the Settings menu that you can
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the Internet” on page 22.
193
Chapter 25 Settings