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Is anyone else in the "My perfect phone would be my current one but with a battery that easily lasts 3+ days" boat? I've currently got an iPhone 5S, and I can achieve this with those portable USB chargers. I've no need for any of the other features which new generations of smartphones are adding (multi-core\multi-ghz processors, huge amounts of RAM etc), though there's perhaps a killer app round the corner which will advantage of this. Otherwise I cannot see myself replacing my 5S in the next couple of years (except for Apple dropping support, or me dropping it in my beer)

Depending on how heavy your use is, you should look at the Xiaomi Mi4i.

I picked it up as a Nexus 5 replacement solely for the ridiculously large battery (3100mAh or 72% more than the similarly sized iPhone 6 and still 6% more than the 6 Plus). It's slimmer and more solid (the N5 has a tendency to get dented), and arguably has better specs (it definitely deals with Skype, my only performance hog, much better). When I was in the market, there was nothing that came close in terms of battery life. IRL it has been alright, if I read a book and check emails most of the time it will die in about 32 hours but going into town for meetings (i.e. only using maps, email and the odd Kindle), I've found it only lost 30% battery/day.

Cost me around 205 USD including shipping and a 6 month warranty, but if it breaks I'll just buy another one. It's only 1/5th the cost of an iPhone...

The Xiaomi portable chargers are also pretty neat.

I don't know about US availability as it appears most things Xiaomi are directly ripped off Apple and there's probably copyright issues. Check out the Mi Note to see what I mean...

I'm in the EU so I suspect it maybe a little easier to pickup a Xiami phone. 3100mAh is pretty impressive by the sounds of things, so as long as the power consumption hasn't scaled similarly that could be an interesting option. I'll check it out!

Watch out not to get the Mi 4 by accident. The Mi4i was launched this year and was basically designed to be a "premium smartphone at emerging markets prices" whereas the Mi 4 is the "China flagship", whose design is a stretched iPhone 5S (you might like that though) just like the Samsung Alpha. It's a lot more expensive and as far as I'm concerned unjustifiably so. i stands for "international".

I don't think the power consumption is as smart as the N5; it def drains about the same in airplane mode as not in airplane mode, whilst the N5 basically became as good as switched off. On the upside power management seems much better when it comes to dealing with networks; maybe I was on the wrong frequency bands. The N5 battery was shockingly bad; after a year and a half I was getting barely 1.5 hours of use out of the thing. Great when you're stranded in Tokyo and relying on Google Maps and Translate...

FWIW my iPhone 4 from years ago is still the most durable phone I've owned. I still get a good 3 days battery out of it (it's our guest phone) and it can go weeks on airplane mode in the drawer. But when you've tasted a 5" screen and multitasking, it really is too little...

When mobile OS gets good enough to export HDMI (and a docking bay) and use it as a desktop-type replacement, then I'll want a more badass phone. Unfortunately the thing I care about the most (slow-motion / high frame rate video recording) isn't being pushed by anyone but Apple, which means the current 120/240 FPS sensors that Apple uses will be the peak of technology. Very disappointed Android or others didn't push this; it has implications for machine vision and other externalities that make the price of some of the most interesting tech (high sampling rate video for computer vision and other related industries).

Oh well.

This maybe shows why these manufacturers are having a tough time pleasing us all - you and I have substantially different use cases for our phones! I like having a nice-ish camera that behaves well in lower light situations, but that's it as far as the camera goes. The high frame-rate functionality just isn't something I've ever used or needed. I have seen a few videos of people playing "catch" with slightly clumsy\not-so-bright dogs, which in slow motion is pretty hilarious and I'm thinking of getting a dog soon so this may change :)

I have lumia 735 and battery lasts here for 3-4 days (if 3G internet and WiFi is off)

Ahhh maybe I should be more specific - I'd like it to work for this duration without having to worry about switching on/off the 3G/WiFi radios.

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