To lock your screen while you are watching videos, simply press the power button.
This will disable the touchscreen buttons while the video is playing, but it won't turn the screen off like the lock key normally does.
Note, this will only work on video files that you are playing that are stored on your phone. It won't work for videos played within websites, such as Youtube videos.
To bookmark a website on your homescreen, go into your browser and find the bookmark of the page you want to create a shortcut for.
Then long press on the bookmark and select Add Shortcut to Home.
If you regularly visit certain websites, this can be handy as you will have a shortcut to the site on your homescreen.
To add an email or phone number to your contacts from a text message, you can long-press on the email / phone number. Then select Add to contacts.
To soft reset your phone press and hold the Power and Down button together for 10 seconds and the phone should restart. Wait about 10 seconds and then press and hold the Power button again to restart.
To remove an icon from the home screen, simply press on it, hold and drag to the Trash at the bottom of the screen
To auto focus the camera when taking photos or videos, tap the screen where you want to focus on.
The phone will automatically adjust the settings to improve the image or video.
To set an MP3 as a ringtone, try one of the following. It may depend which version of Android you are using however:
Using the default Music player App, find a song you would like to set as the ringtone. Then while the song is playing, press and hold on the track and select Use as phone ringtone.
Or, find a specific Contact. press Menu - Edit. Scroll down to Additional Info. Press the triangle. Then scroll to Call Handling and set a ringtone from there.
To turn off predictive text, go to Settings - Language and Keyboard - Touch Input - Text Input - Prediction.
Then select On or Off
To change the contact list order, go to your Contacts and press Menu .
Then press More - Display options - Display contacts by.
Then select either First name first or Surname first.
To find out information about Signal Strength, Network Information, Remaining Battery Time and Battery Usage (by Application), go to your Homescreen - Menu - Settings - About Phone.