Enable a feature

For this you have to have [ssh-access]({% post_url 2009-04-26-ssh-access %}) enabled!!

ssh into the iPhone (remember: the root-password is alpine)
cd to /System/Library/CoreServices/Springboard.app/
run this command: plutil -c xml1 M68AP.plist (this will convert the binary-XML to plaintext)
now use nano, mcedit or vim to edit the file
find the capabilites dictionary right at the top of the file
add the following two key/value-pair: {% highlight xml %} gas-gauge-battery {% endhighlight %}
save the file
run plutil -c binary1 M68AP.plist to convert the file back into binary-XML format
logout
reboot(=respring) the iPhone

Features Explained

accessibility

This will add a new settings menu below General (right below International). It is empty on iPhone 3G.

gas-gauge-battery

This will enable a new setting under General → Usage to enable a percentage field left of the battery icon.

video-camera

This will enable a new photo <=> video switch in the camera interface.

Enabling this feature will make the camera **unusable**! You won't be able to take normal photos with this feature enabled. (as of BETA 5)

voice-control

This will add a new settings menu below General → International. It is empty on iPhone 3G.

More Features

In the file /System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices there are various more feature codes listed - here's a screendump:

...device-name-localized...device-name.still-camera....cameraRestriction...telepho
ny...sms.video-camera....auto-focus-camera...wifi....accelerometer...magnetometer.
...gps.location-services...microphone..opengles-1..opengles-2..volume-buttons..rin
ger-switch...piezo-clicker...bluetooth...unified-ipod....youtube.youtubePlugin...g
reen-tea...not-green-tea...international-settings..stand-alone-contacts....delay-s
leep-for-headset-click...launch-applications-while-animating.load-thumbnails-while
-scrolling.sensitive-ui....apple-internal-install..all-features....nike-ipod...app
licationInstallation.voice-control...proximity-sensor....gas-gauge-battery...acces
sibility...mms.encrypted-data-partition....encode-aac..fcc-logos-via-software..tel
ephony-maximum-generation....hiccough-interval...application-display-identifiers.t
v-out-settings.screen-dimensions...main-screen-width...main-screen-height..main-sc
reen-scale...main-screen-orientation.explicitContentRestriction..volume-limit-rest
riction....inAppPurchasesRestriction...enforce-shutter-click...enforce-googlemail.

Anyone tried nike-ipod or enabling the magnetometer on a 3G? Also what could green-tea be?

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