Manipulating 3G on the Blackjack

The entire premise of this article is to compare power consumption between 3G and EDGE, as well as Wi-Fi and EDGE.  Since we can't do all of the comparisons on the same device given what we have, we had to look at the comparisons independent of each other. 

Toggling 3G on the Samsung Blackjack isn't something that can be done by any visible menu, you have to instead enter into an admin menu by dialing the following code: *#1546792*#.

After entering the code, you're presented with a menu:

Selecting Network & Call Settings let's you configure network priority as well as network mode, the latter being what we're interested in:

Selecting GSM will turn off 3G and if you're in a location where EDGE is available, that's what the Blackjack will default to.  To re-enable 3G simply repeat the process.  We've found that sometimes the Blackjack will need to be rebooted before the switch will take effect. 

With a way of toggling the network mode, it was time to start testing...

Index Faster Browsing, but a Quarter Less Battery Life


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  • tuteja1986 - Friday, July 13, 2007 - link

    well if someone would just copy the user interface they could sell craploads of phones. Take the heat for a clone but who cares as you will benefit by alot of sales. Reply
  • halfeatenfish - Friday, July 13, 2007 - link

    Just like with every other Apple product, the iPhone is for people that value the experience over the specifications. My phone can do all the iPhone can (feature-wise) and more... but I hate using it. As a matter a fact, a great deal of my features go unused b/c its too much an ass-pain to get to them. Same story with my XP machine over my Powerbook... My Win box is faster, etc... but I hate dealing with it.

    It reminds me of the difference between a Subaru and an Audi. Similar performance, but huge price difference. In one you to holler on the freeway, in the other, you speak. One has you tired after long trips, the other has you wanted to take longer trips. Etc, etc, etc

    The point is... for a whole lot of people, spec's alone are just not enough.
  • AlexWade - Friday, July 13, 2007 - link

    America is 3-4 years behind in all cell technology because our government believes competition on standards is a good thing. Obviously, it is not. Every network has dead spots, a problem we wouldn't have if there was only 1 cell technology like Europe. Reply
  • bigboxes - Sunday, July 15, 2007 - link

    You're right. We should all be on CDMA in North America. CDMA is faster and better than GSM. That would solve all our problems. Thanks for pointing that out! Reply
  • Zaitsev - Friday, July 13, 2007 - link

    You mean its feature set is 3-4 years behind, but has a completely novel user interface. It's certainly not "best bang for your buck," but that's not Apple's goal in the first place. Reply
  • tuteja1986 - Friday, July 13, 2007 - link

    Battery life was the problem .. well no iphone sales in Australia as we are 3G. Reply

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