How To: Install Wallpaper Using Bluetooth

Using Irfanview to resize to crop an image.

Sending wallpapers to a Bluetooth equipped iDEN phone is easy. The process is very similar to the one I posted for sending ringtones.

You need:

  • A Boost or Nextel Motorola phone that has Bluetooth such as the i776, i465, i856, i9, i870, i880 or i885
  • A PC or laptop that supports Bluetooth. If yours doesn’t, Bluetooth USB adapters are cheap.  These instructions are based on using Windows XP.  This should be possible on other OSes but you will have to adapt the instructions yourself.
  • An image file that you would like to use as a wallpaper.


  • Download IrfanView, a free image viewer and editor for Windows.  You can use any  program that can resize images and convert them to GIF format. I really like IrfanView, it’s quite powerful and is easy to use and  I recommend it you have a  Windows PC. Apple and Linux users should be able to find an image editor without too much trouble.
  • Open the image you want to make a wallpaper from in Irfanview.  I’m using a great night shot of  the San Francisco skyline that I found on Flickr. It was taken by the well known blogger Loïc Le Meur and is published under a Creative Commons Attribution license.
  • To fit the portrait home screen of my i776 I had to crop the picture.  You can skip this step if the image you are using is already close to the proportions of you phone’s screen.  To crop with Irfaview:
  • Choose “Show Paint Dialog” from the “Edit” menu, click the selection tool (the arrow icon highlighted in the image above) and drag the mouse to create a rectangle around the area you want to use.
  • Click the “Edit” menu and choose “Copy“, then click “Edit” again and select “Delete (clear display)”  and finally click “Menu” yet again and choose “Paste“. The screenshot below shows the Edit menu and behind it the cropped image that I have pasted.

Irfanview Edit Menu

  • Click the “Image” Menu and choose “Resize/ReSample
  • On the Resize/Resample screen in the Width and Height fields enter your phone’s exact screen size in pixels. I’ve listed the screen sizes for recent Boost and Nextel phones below.  If your phone is not listed you can lookup its screen size on
    • 130×130 – i290, i325 1335, i415, i425, i450, i455, i830, i836
    • 128×160 – i410, i465, i776
    • 176×220 – i856, i760, i850, i855, i860, i870, i875, i880, i885
    • 240×320 – i9

  • Uncheck “Preserve aspect ratio” and click the “OK” button.
  • Irfanview Resize Dialog

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