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The Notion Ink Adam tablet users have reported a pretty bad battery life for that device and this is in part due to the Phone apps installed on it while they are unnecessary. roebeet @ NotionInkHacks created a firmware update which remove those apps and increase the Notion Ink Adam tablet battery life.

Here is a description of the battery life issue and how to fix it [from (HACK) Update.zip to remove Cell Standby (battery life)]:

Many people have reported less than optimal battery life, on the Adam. This is a firmware update just to remove the Phone apps that are causing the unnecessary battery drain. You would run this like any other firmware update. I figured that some people would prefer this over running a tool like ADB.

This can be run on stock, or any stock-based mod (like EDENx). Non-stock mods may not work, given that this is removing odex files that other mods may not use.

You can test this after-the-fact by going into Settings -- About Adam and checking what is using the battery. "Cell Standby" should no longer be seen.

You can download the update.zip containing this fix @ http://www.mediafire.com/?va681gou8n5lbvd.
You can follow these instructions to install this update on your Notion Ink Adam tablet [from [ROM] EDENx alternative firmware (v2.3.0, updated 4/01/11)]:

Mount your device to your PC and then extract the rar to the root. So, for example, if your mounted drive is F:, you should see this:
F:\update.zip
F:\recovery\command
Unmount cleanly, then reboot into standard recovery (power + volume up key). The install should run automatically, and reboot again to complete.

You can check out the Notion Ink Adam tablet in action in the YouTube video below:
You can get more information about this battery hack for the Notion Ink Adam tablet @ http://notioninkhacks.com/forums/viewtopic.php?f=18&t=883.

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