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Improve battery life for jailbroken iPhones iOS devices
Problem: The battery on my jailbroken iPhone drains quite rapidly (requiring a recharge every other night, or even more frequently).

Diagnosis: A number of App Store and Cydia applications report usage data surreptitiously to online servers. Aside from the invasion of privacy, such activities also keep the iPhone and network connections active, requiring energy and draining the battery.

Remedy: Install Saurik's PrivaCY, read this analysis, and then install a new /etc/hosts file on the iPhone.

Requirements: A jailbroken iPhone.

Tested: iPhone 3GS (US), OS 3.0.1. I have not tested each of the above remedies separately.

Results: Before, ould drain about 50% of the battery on a day with (primarily) data usage. After: Drains 5% to 10% a day.
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Improve battery life for jailbroken iPhones
Authored by: sfgecko on Aug 31, '09 09:58:19AM

i have 3 jailbroken iphones on 3.0 and they only lose about 3-5% overnight. i have about 6-7 cydia apps and 100+ app store apps installed. it seems odd that an app would be phoning home if the app is not open.

that said, i may try this hosts file anyway since i hate seeing ads and don't want apps phoning home anyway.



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Improve battery life for jailbroken iPhones
Authored by: UberFu on Sep 01, '09 09:17:08AM

I've seen Apps that somehow connect up to wherever when I have WiFi - EDGE - 3G and the Phone Disabled. So it does not surprise me that it's happening.

I found the PrivaCY App [or whatever] and installed it and disabled whatever it acts on.

I could not tell you whether it's doing anything by disabling it or not. I've always had about 2 days of battery on my iPhone 3G [running 3.0] with heavy media/ app usage.

But it's good to know that if any 3rd party App is trying to grab data without our knowledge or consent that something is actively blocking that exchange from happening.



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