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As we all know, Apple announced its latest handset iPhone 3G S and its new software iPhone 3.0 OS which is already release on June 17. It's really a excited news for those iPhone fans.
Highlight features of iPhone 3G S
Faster speed – S stands for speed. With its newest software iPhone 3.0 OS, Apple promise everything we do on iPhone 3G S is up to 2x faster and more responsive than iPhone 3G.
Improved camera – the camera built in iPhone 3G S with autofocus are able to shot still photos and record videos which would surely helps us display colorful life.
Video editing – compare to iPhone 3G, iPhone 3G S has video editing functions though it's simple but enough (at least for me). Before we upload video to YouTube or share it through emails, the quick trimming feature would help us cut out the excess at the front and back of clips.
Voice control – iPhone 3G S can recognize words and numbers. You can just speak out "call Mark" without tap and it will dial for you.
Cut, Copy & Paste - Cut, copy, and paste words and photos, even between applications. Copy and paste images and content from the web, too.
How to upgrade to iPhone 3.0?
Step 1 Make sure you are using iTune 8. Connect iPhone to your computer.
Step 2 When iTunes opens, select your iPhone under Devices in the Source List on the left.
Step 3 In the iPhone Summary pane, click Check for update.
Step 4 Click Download and install. Do not disconnect your iPhone until the update has finished.
More details, please refer to
http://www.apple.com/iPhone/softwareupdate/
Disclaim: If your iPhone is unlocked, upgrade your software to iPhone 3.0 may lock your phone again. Until now, we are still waiting for DEV-Team to develop its tool to unlock iPhone 3.0 OS.
Problem?
Maybe you have already upgraded to iPhone 3.0 OS is playing around with the new features. Do you have any problem like this?
I just collected a tip to fix this problem form gizmodo. Much appreciate!
Step 1 Go into Internet Explorer.
Step 2 Go to advanced options.
Step 3 Scroll down to security and UNCHECK "Check for server certificate revocation".
Step 4 Restart iTunes and close IE.
Though iPhone just upgrade to iPhone 3.0, the video format for iPhone is still limited. If we want to put various Video Media file on iPhone 3.0, we first need to convert video to iPhone 3G S.
Step 1 download iPhone 3G S Converter, install and run it.

Step 2 click "ADD" to import your videos.
Step 3 click "Profile" to set the output format, here we choose "MP4".
Step 4 click "Output" to set the output location.
Step 5 click "start" to begin the conversion.