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Apple reveals iPhone battery testing details

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By Charles Starrett

Contributing Editor
Published: Tuesday, June 19, 2007
News Categories: iPhone

Apple has added details of its iPhone battery testing to the handset’s technical specifications page. Talk Time testing was done connected to a 1900MHz network; both the Talk Time and Standby testing was done with the phone on default settings except that Call Forwarding was turned on, and the WiFi feature “Ask to Join Networks” was turned off. Internet over WiFi testing was “conducted using a closed network and dedicated web and mail server, simulating browsing to 20 popular URLs and checking mail once an hour. All settings were default except: Call Forwarding was turned on; the WiFi feature “Ask to Join Networks” and Auto-Brightness were turned off; WPA2 encryption was enabled.” Internet over EDGE testing used the same setup but utilized a 1900MHz network connection as opposed to a closed WPA2 WiFi network.

Video Playback testing was done by repeated playing of a 2 hour 23 minute film purchased from the iTunes Store (Pirates of the Caribbean: The Curse of the Black Pearl is 2 hours, 23 minutes long, and has appeared before in Apple promotional material), while the Audio Playback testing playlist consisted of 358 unique tracks, all 128-Kbps AAC, some from iTunes and some ripped from CD using iTunes. During both the Video and Audio playback testing, all settings were default except Call Forwarding was turned on; the WiFi feature “Ask to Join Networks” and Auto-Brightness were turned off. All the tests were conducted between May and June 2007 using preproduction iPhones and software.

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Comments

1

For the business person a replaceable battery is mandatory. Apple’s approach is just pure stick-stupid.

Posted by FahrenheiPod 451 on June 19, 2007 at 12:46 PM (PDT)

2

Why are the battery times for video and audio soooooo much better than the 5G iPods? I could understand a slight improvement, but 7 hours of video vs. 2.5? 24 hours of music???

Posted by Celticmoon on June 19, 2007 at 7:38 PM (PDT)

3

Well remember the iPhone uses flash memory.

Posted by ipodman715 on June 19, 2007 at 8:27 PM (PDT)

4

Is it reasonable to only want to check e-mail once an hour? Pretty ridiculous way to test battery life if you ask me.

That said, are any other manufacturers any different? Probably not. Apple have definitely gone the wrong way with the non-removable battery, for me.

Posted by smblah on June 20, 2007 at 3:49 AM (PDT)

5

How realistic is testing battery life with call forwarding enabled?

What does that prove? I can wait for a call for 250 hours, as long as I make sure that the phone can’t actually recieve one?

Why not test with the phone turned off entirely? It’ll make even better numbers!

How about the results of realistic tests, like with all settings at default?

Posted by WhoCares on June 20, 2007 at 10:54 AM (PDT)

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