How to Enter Airplane Mode in iPhone 3G
Go to the Settings and then you can see that the first icon is the option showing Airplane mode ON (or) OFF.
All you have to do is just tap on the slider to activate what you want.
This option makes your iPhone into an iTouch as the Phone options are disabled.

Tags: airplane mode, How to ?, how to enter airplane mode, iPhone 3G
Posted under: How to ?
July 1st, 2009 by Varun 

[...] Then go to Airplane mode, switch it on and off once. [...]
nice description and a god tutorial, better than the user manual.
good tutorials with nice pics