to save some disk space, remove old iphone firmware from ~/Library/iTunes/iPhone Software Update, but make sure to keep the latest restore
with iphone 2.0, hold down the home button and press the lock button to take a screenshot
to get access to starbucks free wifi for iphone users on a regular browser, trying changing the user agent to Mozilla/5.0 (iPhone; U; CPU like Mac OS X; en) AppleWebKit/420+ (KHTML, like Gecko) Version/3.0 Mobile/1A543a Safari/419.3
to (stop)start ssh on iphone, use /bin/launchctl (un)load -w /Library/LaunchDaemons/com.openssh.sshd.plist or install UICtl app
to use recovery mode to wipe an iphone, hold down sleep/wake and home for 20-30 seconds; when yellow icon appears, connect to computer and restore in itunes
to reset, press and hold sleep/wake button and home button for at least ten seconds until the apple logo appears
field mode *3001#12345#*, account balance *777# and *225#, minutes used *646#, call forwarding *#21#, call forwarding number *#61#,
