To everyone trying to install the Impression's version of yellowpages I have verified the install method. The method does not involve removing your original version of yellow pages. I am saying you do not have to remove your original preinstalled version. You remove your original at your own risk if you would like.
On the bottom of this post I uploaded the Impression's original jar and jad. Download them to your PC.
On your PC go to http://www.imserba.com/wapupload/
and upload the jar.
It will give you a jumpcode.
On your medianet browser of your phone go to http://wap.imserba.com
and enter that jumpcode into the text box and proceed to download the app to your phone.
Once installed do not run the app yet.
Connect your phone to your PC using TKFileExplorer.
Navigate in the bottom window to the new yellow pages folder in your games folder. Not the locked games folder.
Delete the jad, the appdb folder, and the manifest.mf if there is one.
In the top window navigate to where you have the jar and the jad that you downloaded from this post.
Right click on the jad and download it into the yellow pages app folder where you just deleted the other jad.
Now in the bottom pane, right click on the jad and rename it to the same name as the jar. It will be something like AB123456.JAD.
Disconnect and start up the new Yellow Pages app and enjoy the gps feature.
Thanks to illegallydead and 4Eternal for shedding light on the imserba wap uploader. Somehow because of the name change of the jar and jad it allowed yellow pages app to install easily without deleting the original Eternity yellow pages app.
I just tested this method out myself by installing the Eternity's version on my Impression and the method worked flawlessly.Edited on July 23, 2009 to give install directions.