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iPhone update 2.0. - runs hot + battery drain PDF Print E-mail
Friday, 05 September 2008
I have an original iPhone 2G 8gb. Been jailbreaking it since the day I got it and I have never had any real problems with the phone. So when Apple's 2.0 update came out I updated and waited for the jailbreak. I did this for 2.0.1 and 2.0.2 updates as well. Since moving to the Apple 2+ firmware versions my battery life has gone to shit and the phone burns hot as hell when doing everyday tasks. I asked about this on the iPhone dev team's blog, but people are too busy answering stupid questions from people that should not be hacking their phones.

So I have been waiting to see if the internet starts getting questions relating to my problem and lo and behold they are now starting to appear. First, the iPhone with firmware does not run background processes. This was a decision made by Apple and is the reason you cannot listen to the legit Last.FM feeds while doing other things on your phone so this latest advice telling people to hold down the Home button for five seconds to totally close the application is bullshit.

Second, people that have jailbroke their phone are being told to install Services and to shut down SSH. SSH is not installed by default when you jailbreak your phone/touch 2.0... so if you haven't installed it you are likely not to have it. I do not have SSH installed, nor do I have any application requiring a running background process or service and I have this problem. As a matter of fact, I only have Winterboard and a theme and theme elements installed, all from Cydia, and I had this problem before installing any third party apps.

I also see some people stating they have this problem and state they have never jailbroke their phone. I cannot verify this as I am not willing to restore at this point so i will take the word of these people that it may not be the jailbreak causing this issue; although, my wife's phone has been burning hot ever since we jailbroke it on firmware 2.0.2. This makes the problem very random because I have had the problem since 2.0.0 and she has not.

A typical day using mainly network aware apps on Edge used maybe 1/4 to 1/2 the battery in an eight hour period on firmware 1.1.4, jailbroke of course. Even live streaming audio and video via Orb didn't heat the phone to excess and eat the battery life this fast. Now I am lucky to get eight hours of typical usage with 20% battery remaining. So wtf is it? Is it the firmware from Apple or is it the latest jailbreak? I am leaning towards Apple and their network related services...

So my typical day, WiFi off using Edge, I run:

NetNewsWire   -  Read my RSS feeds (10 to 20 minutes, three times a day.)
PocketExpress -  Read the news     (5 tp 10 minutes, twice a day.)
Check Twitter using Twinkle        (occasionally throughout the day. 5 minutes tops each.)
Check Updates Cydia                (5 minutes or less)
Check updates AppStore             (5 minutes or less)
Read email - Push is off           (occasionally throughout the day.)
Send a acticle or two to my wife.  (occasionally throughout the day.)
Read breaks, lunch using Stanza    (This seems to have no impact on battery or heating up)
Check Weather with WeatherBug      (Sometimes)
Listen to podcasts and music.      (A few hours total)
Watch a couple video casts.        (Couple times a week)
Install crap from the AppStore     (Sometimes, really kills the battery)

Of course the occasional phone call. Sometimes the phone locks up after talking for awhile and won't hang up. Requires a hard reboot.

So anyone else having this problem, jailbroke or not, send me your thoughts, experiences, and insights. Comment here
 
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