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mrat93

macrumors 68020
Original poster
Dec 30, 2006
2,340
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Today when Apple updated their website today about the extended battery life, some small print on the bottom of the page read:

--2 Talk Time: Testing conducted by Apple in May and June 2007 using preproduction iPhones and software. All talk time testing was done connected to a 1900MHz network. All settings were default except: Call Forwarding was turned on; the WiFi feature Ask to Join Networks was turned off. Battery life depends on the cellular network, location, signal strength, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary.
--3 Standby: Testing conducted by Apple in May and June 2007 using preproduction iPhones and software. All settings were default except: Call Forwarding was turned on; the WiFi feature Ask to Join Networks was turned off. Battery life depends on the cellular network, location, signal strength, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary.
--4 Internet over WiFi: Testing conducted by Apple in May and June 2007 using preproduction iPhones and software. Internet over WiFi testing 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. Battery life depends on the cellular network, location, signal strength, WiFi connectivity, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary. Internet over EDGE: Testing conducted by Apple in May and June 2007 using preproduction iPhones and software. Internet over EDGE testing conducted over a 1900 MHz EDGE, using a 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. Battery life depends on the cellular network, location, signal strength, EDGE connectivity, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary.
--5 Video Playback: Testing conducted by Apple in May and June 2007 using preproduction iPhones and software. Video content was a repeated 2 hour 23 minute movie purchased from the iTunes Store. All settings were default except: Call Forwarding was turned on; the WiFi feature Ask to Join Networks and Auto-Brightness were turned off. Battery life depends on the cellular network, location, signal strength, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary.
--6 Audio Playback: Testing conducted by Apple in May and June 2007 using preproduction iPhones and software. The playlist consisted of 358 unique audio tracks, a combination of content imported from CDs using iTunes (128-Kbps AAC encoding) and content purchased from the iTunes Store (128-Kbps AAC encoding). All settings were default except: Call Forwarding was turned on; the WiFi feature Ask to Join Networks was turned off. Battery life depends on the cellular network, location, signal strength, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary.
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Note on how in each part it says "Battery life depends on the cellular network, location, signal strength, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary."
Just a thought that they may be adding more providers sooner than we had previously expected.

http://www.apple.com/iphone/technology/specs.html
 
I believe the bold portion "cellular network" refers to the fact that network or carrier related issues can cause the iphone to "work harder" to get and maintain a signal. Additionally, when roaming or using in other countyies, batteries can be drained quicker.
 
I don't think so. I believe AT&T leases access to different networks, depending on location. That used to be how they configured roaming.
 
I think they're referring to, more along the line of, are you on EDGE, GSM, or roaming. I get a different battery life depending on those 3 alone. Roaming kills my battery quickly where on EDGE is barely uses any battery (at least for voice on EDGE).
 
The cellular network term refers to how strong the signal is, if the phone is able to hold the signal, and specifically what provider owns the tower you are using.
 
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