iPhone4 is equipped with 3G data connection and 3G is really fast and give great speed. So why don’t you use it as a data supplier for your computer (The term is Tethering) because using a smartphone as a modem is not strange anymore.
1. Activate Tethering
Go to General > Network > Internet Tethering. Slide the Internet Tethering switch to On.
2. Connect your iPhone to your laptop
You can do this either by wired USB cable or via the Bluetooth connection.
- Use wired USB: After connect your iPhone to your Laptop, for MS Windows, In the Control Panel find Network services settings and then select iPhone. For Mac OS X 10.5.7 or later, a pop-up will say "A new network interface has been detected". Click Network Preferences, and then you can configure the setting for iPhone, then click Apply.
- Use Bluetooth: In General > Bluetooth slide the Bluetooth switch on. Use your laptop Bluetooth icon (Windows: found in Task Tray; Mac: System Preferences) to pair and connect the iPhone to your computer.
3. Ready to surf net
When your iPhone is tethered a blue bar appears at the top of the iPhone’s screen with the message "Internet Tethering". You can receive/make call or sms while tethering so don’t worry about missed calls.
With fast connection like 3G and laptop browser always uses much data than your iPhone please ensure you’re using a good data quota. At least 1GB/month for this experimental. And please check your data usage frequently
Tips: if you’re using the wired USB cable, you iPhone will be charged at the same time tethering. So switch to Bluetooth can save your Battery if you use this occasionally.
Your iPhone4 can run a lot of application at the same time, but this is not really good for your battery.
To quit some unused application, double tapping the Home button to bring up the Multi-tasking bar at the bottom of the screen. Then you hold down your finger on the icon until they start to wiggle and then tap the red minus symbol to close that app.
If you type labour and it turn into labor (without the ‘u’) and you must correct this very often, so you’re selecting the wrong keyboard. Just switch back to English (UK) for spell checking by tapping the globe button and this toggles your iPhone between English (UK) and English (US) for you. (the small button next to the space bar)
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