Radio signals are radio signals, no matter the source. That said, wifi and bluetooth are minimal drains unless there is actual throughput. And, mobile data requires more battery drain than wifi because the signal is weaker so the iDevice needs to push the signal with more power.
David Chittenden, MSc, MRCAA Email: [email protected] Mobile: +64 21 2288 288 Sent from my iPhone > On 10 Feb 2014, at 9:18, "RobH." <[email protected]> wrote: > > Q: Would a modern iPod Touch or iPad do this? > > i ask as most don't have 3g or 4g coms too, so would then not be able to do > Siri once networking was off. > ----- Original Message ----- > From: "Alan Paganelli" <[email protected]> > To: <[email protected]> > Sent: Sunday, February 09, 2014 5:29 PM > Subject: Re: battery drainage > > > The two biggest drains on the iPhone are the Bluetooth radio and WI_FI.. > It's easy to tell Siri, turn bluetooth off and she'll say I turned Bluetooth > off. Do the same with WI_FI. Those are the two biggest battery drains. So > if you have no ear peace connected to Bluetooth and your away from your home > network, you don't need the WI_FI either. And, it can quickly be turned > back on again when need be. > > HTH > > > Alan > > Sent from my iPad Air > >> On Feb 8, 2014, at 3:10 PM, Adrienne Sinclair Chalmers >> <[email protected]> wrote: >> >> Hi >> >> Of course it's true that some apps use more power than others, but if a >> phone is draining, then the most obvious explanation is that one app or >> another is using the power and it's just an easy thing to eliminate. >> >> In Mavericks, the battery menu shows you which apps are using significant >> amounts of power. If there is a similar thing in IOS7, I haven't found it >> yet. >> >> Reducing screen brightness is a really good one too. I always thought it >> counter-intuitive that the screen curtain didn't reduce power use, but >> them's the breaks. >> >> I have absolutely no authority to back this up, but I am convinced I >> noticed a reduction in power usage on my 5s after I locked the screen >> orientation. >> >> Best >> >> Adrienne >> >> -- >> You received this message because you are subscribed to the "VIPhone" >> Google Group. >> >> Post a new message to VIPhone by emailing [email protected]. >> >> Search and view the VIPhone archives by visiting >> http://www.mail-archive.com/[email protected]/. >> >> Reach the VIPhone owner and moderators by emailing >> [email protected]. >> >> Unsubscribe and leave VIPhone by emailing >> [email protected]. >> >> More VIPhone group options can be found by visiting >> http://groups.google.com/group/viphone?hl=en. >> --- >> You received this message because you are subscribed to the Google Groups >> "VIPhone" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. > > -- > You received this message because you are subscribed to the "VIPhone" Google > Group. > > Post a new message to VIPhone by emailing [email protected]. > > Search and view the VIPhone archives by visiting > http://www.mail-archive.com/[email protected]/. > > Reach the VIPhone owner and moderators by emailing > [email protected]. > > Unsubscribe and leave VIPhone by emailing > [email protected]. > > More VIPhone group options can be found by visiting > http://groups.google.com/group/viphone?hl=en. > --- > You received this message because you are subscribed to the Google Groups > "VIPhone" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > -- > You received this message because you are subscribed to the "VIPhone" Google > Group. > > Post a new message to VIPhone by emailing [email protected]. > > Search and view the VIPhone archives by visiting > http://www.mail-archive.com/[email protected]/. > > Reach the VIPhone owner and moderators by emailing > [email protected]. > > Unsubscribe and leave VIPhone by emailing > [email protected]. > > More VIPhone group options can be found by visiting > http://groups.google.com/group/viphone?hl=en. > --- > You received this message because you are subscribed to the Google Groups > "VIPhone" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the "VIPhone" Google Group. Post a new message to VIPhone by emailing [email protected]. Search and view the VIPhone archives by visiting http://www.mail-archive.com/[email protected]/. Reach the VIPhone owner and moderators by emailing [email protected]. Unsubscribe and leave VIPhone by emailing [email protected]. More VIPhone group options can be found by visiting http://groups.google.com/group/viphone?hl=en. --- You received this message because you are subscribed to the Google Groups "VIPhone" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
