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  1. FognaciousQuash's Avatar
    I just got the HTC one m8 a few days ago. The battery is awful, I tested the exact same games and videos on both my HTC and iPhone 5 of 2 years ago and the iPhone beat it.. I have airplane mode and power saver mode enabled yet can't play pixel dungeon for 10 minutes without the battery dropping 4-5 ℅ . I've read reviews saying the one m8's battery was great but I think mine is defective, should I return it?
    10-21-2014 04:15 AM
  2. B. Diddy's Avatar
    Welcome to Android Central! To get a better idea of your overall battery life, do the following. Charge up to 100%, then let it drain to 20-30% with normal usage, without charging in between. Then show us:

    1. The main Settings>Battery screen.
    2. The fullscreen battery graph screen (which shows Awake time and Cell Signal Strength).
    3. The Screen category (to see total Screen On time).
    4. The Cell Standby category, if present (to see Time Without Signal).
    10-21-2014 11:23 AM
  3. Rukbat's Avatar
    In general, though, if you could build identical phones, one running iOS and one running the same level of Android, and use batteries of the same capacity, the iPhone would be better on battery usage. That's what happens when one company totally controls all the hardware and all the software. The other side of that is that you're very limited in what you can do with the phone that they've decided to not let you do. With Android there's an app or hack for almost everything.
    B. Diddy likes this.
    10-21-2014 01:40 PM
  4. FognaciousQuash's Avatar
    That makes sense. My phone has been on airplane mode since I got it theres no cell service where I live. I don't know if Thats relevant
    10-28-2014 01:49 PM
  5. FognaciousQuash's Avatar
    One m8
    Attached Thumbnails HTC one m8 battery worse than older iPhone 5-1414544467399.jpg   HTC one m8 battery worse than older iPhone 5-1414544490933.jpg  
    10-28-2014 08:01 PM
  6. B. Diddy's Avatar
    I notice that you didn't start from 100% battery, judging from that graph. It looks more like 90%, since it says 25% left, and GSam says you've used 65%.

    Regardless, that actually looks pretty good. By extrapolation, you're actually on track for 6 hours and 20 minutes, if you actually continued using the phone as you have been, right down to 0% battery. I calculated that as follows: 275 minutes/x = 0.65/0.90, where 275 minutes is how long your screen has been on so far, and x is the total screen time for the entire 90% charge. It would presumably be closer to 7 hours if you started from 100%.
    10-28-2014 09:03 PM
  7. Rukbat's Avatar
    if you actually continued using the phone as you have been, right down to 0% battery.
    Which is for illustrative purposes only. You never run a lithium battery down much past 40% unless you own stock in a battery-making company. See Battery University - How to Prolong Lithium-based Batteries and do the math.
    10-28-2014 11:52 PM

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