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Andrew Zuo

Andrew Zuo

Nerdy and [maybe too] opinionated. I like tech and have a few apps. Check out my idle game Ctrl C (Cmd C on iOS)

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The iPhone 17 Is The Biggest iPhone Update In Years

6 min readSep 9, 2025

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I still have an iPhone 13 mini. I really like the size and have never seen enough reason to upgrade. That is until now. The iPhone 17 has some really big updates that are making me consider switching. Updates like:

1. Significantly Improved Battery Life

I can’t believe Apple didn’t talk about this during the event. Well, they discussed battery life but all they said was ‘8 hours more battery life’ and ‘all-day battery life’. What is that in percentage terms? Turns out a lot more. 36% more when playing back local video and 50% playing streaming video.

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Battery life comparison

Now it’s difficult to say what this means, OEM battery estimates are notoriously bad. But anyway you slice it, it looks like the iPhone 17 could get significantly more battery life than the 16.

And when you compare it to my iPhone 13 mini, it’s 76–107% better. That’s a lot of battery life.

Although I will say that battery life is not a huge problem for me. I just have a MagSafe battery pack that I bring with me when I leave the house for long periods, and it works really well. It was only 30 euros and it can fully…

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Andrew Zuo
Andrew Zuo

Written by Andrew Zuo

Nerdy and [maybe too] opinionated. I like tech and have a few apps. Check out my idle game Ctrl C (Cmd C on iOS)