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Jul 17, 2022 at 9:21 comment added uhoh When I asked this question in 2019 I had an iPhone 6 with a dying battery. I have a much newer phone and I have heard the power management is much better, so I think this is pretty much moot now. Thanks!
Jul 17, 2022 at 9:02 comment added Leonard You could experiment to see if leaving mobile data on significantly affects your battery life. It may not be that much.
Jul 15, 2022 at 23:05 comment added uhoh Okay, if I remembered to toggle mobile data on my (then) iPhone 6 on for say 30 seconds every 15 minutes, then I would get my iMessages within 15 minutes. That's unattractive but feasible. But SMS is a lot simpler so I don't think it's an argument in favor of iMessage. I now have an iPhone SE 2 which I am told manages power better, and occasionally notice that some people receive my text messages via iMessage and I'm okay with it :-)
Jul 15, 2022 at 20:24 comment added Leonard "that means I'd have to keep my phone connected to the internet 24/7 to receive messages" is an incorrect assumption. One could simply toggle mobile data to receive any queued messages. Then toggle again to save battery. 24/7 connections are not necessary to receive messages. Plus Apple offers a return receipt function, that allows you to see if your message was delivered, and/or read, SMS protocol has no such functionality. Turning off your cellular service can cause you to miss SMS messages, depending on your carrier, and the sender would not know.
Jun 12, 2022 at 11:26 review Late answers
Jun 13, 2022 at 0:57
Jun 12, 2022 at 11:12 comment added uhoh There could conceivably be other reasons to prefer messages go using one service over the other, but for simply performance and convenience reasons it seems leaving everything on and letting the phone worry about it is best for most people.
Jun 12, 2022 at 11:11 comment added uhoh Thanks for your opinion and Welcome to Apple SE!! The question does say "I countered by saying that if it's not SMS then that means I'd have to keep my phone connected to the internet 24/7 to receive messages and I don't do that." It was an iPhone6 with an ailing/dying battery and the original iOS that came with it, and connecting to the internet seemed to drain it substantially faster. I'm told that this is not the case for more modern iPhones and iOS versions which manage power usage even more effectively.
S Jun 12, 2022 at 11:05 review First answers
Jun 12, 2022 at 12:10
S Jun 12, 2022 at 11:05 history answered Leonard CC BY-SA 4.0