Open your Contact list. Find the contact you want to divert. Press to open the contact. Towards the bottom of the page, you will see 'Send to voicemail'. Press this and choose OK to enable the feature.
If you call someone regularly it can be useful to have a shortcut on your homescreen. To do this, long press on the Background, select Shortcuts, then Direct dial
If you don't want to receive from calls from a certain person, you can automatically redirect their calls to voicemail. Firstly, go to your Contacts. Find the Contact you would like to screen. Press to open the Contact. Scroll towards the bottom and you will see Send to voicemail. Press this and press OK when asked if you are sure
If you have made a call to a number that you don't want anyone seeing in your call log, then open your Call Log.
This will normally be found on your Apps list or you can also go to your Dialer and find Logs or Call Logs.
Then press and hold on the contact you want to remove. When the Menu appears, press Delete
To enable / disable vibrate (haptic feedback) when you type, then try these two methods, depending on which version of Android you are running:
Menu - Settings - Language & keyboard - Touch Input - Text input. Then change the Vibrate when typing option
Menu - Settings - Sound - Haptic feedback
You can also change turn on haptic feedback when you unlock your phone by going to Menu - Settings - Location & security - Use tactile feedback.
Long press the 12# or 123 button on the keyboard (this will only work if you have the standard keyboard installed)
To save an image in an email or in the browser, long press on the image and a menu will appear allowing you to save it.
For images inside text messages, you might have to press and hold on the message itself, rather than the image.
Once saved, images should be located in the /phone/Download folder.
If you would prefer not to be told every time an app has been updated, go to the Android Market - Menu - Downloads - Menu. Then select Notifications
There are two options to increase the font size on your phone.
The first is to simply install a new font that is larger than the default font. Font Changer and Type Fresh are two Apps that allow you to change Fonts on your phone (they do require Root access though).
The second option is to use a dedicated App to change the font size, although it will only work for SMS and some Google Apps.
To enlarge the SMS font, go to the Android Market and download an App called ChompSMS. Among other things, the App allows you to increase the font size of your SMS messages.
For enlarge SMS and the standard Google Apps fonts, then download an App called SMS/Talk Text Enlarger.