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zolikk t1_j6wsm7c wrote

Reply to comment by CluelessNuggetOfGold in Samsung's S23s don't have an answer to Apple's Emergency SOS via Satellite by needlesfox

Still it looks like it could be much better. Old phones could last for 2 weeks if not more, in stand by (not turned off - they could receive calls). And they had a much smaller battery and theoretically much less efficient electronics. Seems like the new version is still doing a lot of things in the background. If you wanted to make a true low power stand-by mode for a smartphone it should be lasting weeks, not days. Of course, at least for most phones, you still have the option to just turn it off.

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crimsonnocturne t1_j6x7wur wrote

Because old phones were glorified calculators with one or two radios in them, not 8 core computers with 7 inch 4k screens and 20 different sensors and GPS and multiple high powered internet radios in them.

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zolikk t1_j6x9jii wrote

You didn't understand what I said.

What I said is that you could have a power saver state in a modern phone that disables all those sensors, put the processor in a low power state (which is much, much better than those in any old processors), you aren't using your screen because the phone is just standing by not doing anything, and in such a state it should last much longer than an old phone because it would have lower power consumption and a larger battery.

Obviously it's not going to last long if you're using all those features, but it should be able to last long if you aren't. The reason why it doesn't is because even the ultra power saver setting on the phone still leaves things working in the background. Why not have a hyper-super-ultra power saver setting as well that disables them too?

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bnonymousbeeeee t1_j6zfvv7 wrote

My Galaxy S5 Active, in Ultra Power Save mode would last 12 days according to it's in phone estimate. I was never able to push it in that mode the whole way through, but 2 days sipped about 10 percent of my battery when I tried, so I fully believe it was possible on that device. It downclocked the processor, turned basically everything off, like you said, and even lowered the display resolution and color to greyscale. I don't think I've seen a later phone than that with such a huge Ultra Power Saver.

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