Apple reveals iPhone battery testing details

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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