Just discovered a site that wrote an interesting piece on iPhone 3G's tips and tricks. These handy resources will help you to easily get the most out of your iPhone.

The Hongkiat's post discussed about:

1. How to Disable iPhone 3G GPRS or Edge Connection
2. How to Set Content Restriction
3. How to Customize iPhone Wallpaper as Google Calendar and Notes
4. How to Train your iPhone to Learn New Words
5. How to Select Other Domain Name Endings
6. How to Take Screen Shot
7. How to Hide SMS Preview
8. How to Increase the Volume of the Ringer
9. How to Save Images in Safari and Mail
10. How to Insert Extra Punctuation Keys
11. How to Force Quit An App
12. How to Switch Punctuation Keys to Alphabet Keys Quickly
13. How to Fast Forward/Rewind Music & Video
14. How to Access iPod Controls or Phone Favorites Instantly
15. How to Maximize iPhone Battery Life
16. How to Erase iPhone Data Thoroughly
17. How to Backup Your iPhone Contacts
18. How to Design iPhone Themes
19. How to Access the Scientific Calculator
20. How to Share Your iPhone Apps with Others
21. How to Use iPhone as External Disk
22. How to Create Free iPhone Ringtones Using iTunes in Windows
23. How to Convert Videos for Your iPhone
24. How to Sync An iPhone with Multiple Computers
25. How to Migrate Cell Phone Data to iPhone 3G

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