While the list of tweaks is absurdly small in the latest iPhone OS update, we know that some of you simply have to run the latest and greatest OS at all times regardless of risk.

As usual, there’s a litany of precautions depending upon the device you own so hit the source link and read the dev-team’s words carefully before proceeding.
With a little luck, patience, and undue stress, improved accuracy of your device’s reported battery level can be yours — Huzzah?

You can download PwnageTool 3.1.5 from here MAC OSX