Why is my iPhone battery draining?

Last weekend I was at PubForum (now E2E Virtualization Conference) in Dublin Ireland. During the sessions I used my iPhone once in a while to check twitter, nothing more then usual.

My battery however, was draining really fast. I had to charge my iPhone three times a day and still found myself with an empty battery in an Irish pub.

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Battery life of an iPhone is short, especially when you use 3G, WiFi, GPS, Bluetooth etc. In Ireland I had most disabled, WiFi was sometimes connected. Even closing all apps and rebooting the operating system did not solve the problem.

The problem was caused by an e-mail migration. One of my e-mail profiles is an Exchange profile with Push mail (which is brilliant btw). Because of the e-mail migration the passwords where temporarily changed and the availability was bad.

I frequently got a question about the password, which i didn’t had.

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Removing (or completely) disabling the profile was no option. The profile also contained all my contacts and agenda’s, removing the profile would result in a nearly (and unusable) iPhone.

So, lesson learned : During an e-mail migration my iPhone battery last (way) shorter then normal.

 

Ingmar Verheij