1. jeffnucci's Avatar
    Anyone notice the larger battery drain from using iMessage? If I start iMessaging someone I get about a 5% every 20 minute drain. This goes away when I turn it off and revert to SMS.

    Sound off guys
    10-14-2011 03:24 AM
  2. d0ster's Avatar
    Are you on wifi or 3G? I assume using 3G would drain the battery more
    10-14-2011 06:46 AM
  3. ATX_iFan's Avatar
    Anyone notice the larger battery drain from using iMessage? If I start iMessaging someone I get about a 5% every 20 minute drain. This goes away when I turn it off and revert to SMS.

    Sound off guys
    How do you turn off iMessage and go back to SMS?
    10-15-2011 08:09 AM
  4. imwjl's Avatar
    Anyone notice the larger battery drain from using iMessage? If I start iMessaging someone I get about a 5% every 20 minute drain. This goes away when I turn it off and revert to SMS.

    Sound off guys
    Maybe a relevant post here. I've got my 4, touch and pad 2 upgraded and at times see battery life go down rather fast. The iPad is usually used for reference material and newspaper apps, sometimes my kids play games. It's burning the battery faster no matter what but this AM a customer asked me a bunch of questions via iMessage and a few more came in. I was down 12% battery in no time.

    So here it seems like features of iOS 5 are draining the battery faster and maybe even faster when iMessage is used.

    It's only been a few days but my phone's at 20% faster too. I just looked at usage and a bunch of iMessages were the main difference between Friday and Thursday use.

    It's clearly got smarts that a text message doesn't have. I see it shows when the other party is typing, syncs across devices, and shows messages delivered so my guess is more use of radios, CPU, redrawing the screen etc..
    10-15-2011 10:54 AM
  5. jakej914's Avatar
    Maybe a relevant post here. I've got my 4, touch and pad 2 upgraded and at times see battery life go down rather fast. The iPad is usually used for reference material and newspaper apps, sometimes my kids play games. It's burning the battery faster no matter what but this AM a customer asked me a bunch of questions via iMessage and a few more came in. I was down 12% battery in no time.

    So here it seems like features of iOS 5 are draining the battery faster and maybe even faster when iMessage is used.

    It's only been a few days but my phone's at 20% faster too. I just looked at usage and a bunch of iMessages were the main difference between Friday and Thursday use.

    It's clearly got smarts that a text message doesn't have. I see it shows when the other party is typing, syncs across devices, and shows messages delivered so my guess is more use of radios, CPU, redrawing the screen etc..
    I have to say, I think I'm seeing more power drain using iMessage. I can't be certain because iCloud and iOS 5 have thrown some more possible sources of power drain in, but I would think that iMessage being enabled causes regular polling once notifications come in. I still made it through an entire day with pretty heavy use, though.
    10-15-2011 11:54 AM
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