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This is how you do it. Jailbreak your phone, get SSPrefs. Enable battery percentage. Then, sync. Now restore your iphone to the NORMAL firmware (if you want).

It will stick through the sync'd jailbreak without the actual jailbreak.
 
I'm pretty sure all 3.0 beta's had this..on the 3G

Nope.

Look at the first video:http://www.engadget.com/2009/06/17/iphone-3g-s-review/

The phone on the left is a 3G, the one on the right is a 3G S. Both have the digital battery meter.

They used method #1 in my post.

This is how you do it. Jailbreak your phone, get SSPrefs. Enable battery percentage. Then, sync. Now restore your iphone to the NORMAL firmware (if you want).

It will stick through the sync'd jailbreak without the actual jailbreak.

Yep.
The developer versions of 3.0 has it. Engadget probably had loners for review purposes.

Nope.
 
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