iOS 9.3.3 battery drain

Discussion in 'iOS 9' started by Jerhen, Jul 22, 2016.

  1. Jerhen macrumors regular

    Joined:
    Oct 22, 2015
    #1
    I have an iPhone 5s and updated the day iOS 9.3.3 came out. I didn't notice any battery issues till Wednesday. It didn't even cross my mind till today about the update causing the issues. What I am experiencing is battery drain in my pocket when it is doing nothing and on cellular data. I went to my carrier and they went through the settings on my 5s and shut off anything that could be causing it to drain. They shut stuff off and that still didn't even solve the problem. They had me upgrade to a 6s and told me my 5s must have an antenna issue or something. My 5s is 2 years old and one month and according to a battery app I got off of the App Store, I have 772 charge cycles on it. I am wondering if I made a mistake upgrading and it could be an issue with iOS 9.3.3. You all probably think I am crazy since I am up for a renewel and I am not really excited about the 6s. I would rather keep my 5s if it is iOS 9.3.3 because I could save over $20 bucks a month for 30 months if I can keep my 5s. And also before you ask, I can afford a new phone but I just tend to save money and use things til they die. Can you guys think of things that could be draining the battery or is the battery pretty much worn out after 772 charge cycles over 2 years and one month of usage. Do u think if I downgraded to 9.3.2 it would go back to normal and how do you do that or is the phone battery just wore out? Thanks. Also how long do iPhone batteries usually last because the battery is usually what goes first.
     
  2. starikarp macrumors member

    Joined:
    Apr 27, 2013
    #2
    Update was without problems and it works good, not problems with battery but yesterday evening I left my 6s with 76% battery and in the morning was 72%. I went in the store, want to call and my phone was off and it shew me that battery is empty. I don't what is going wrong with Apple.
     
  3. Jerhen thread starter macrumors regular

    Joined:
    Oct 22, 2015
    #3
    I wonder if anyone else is also having issues with iOS 9.3.3. Today I went back to my carrier which is U.S. Cellular and I had them put my number back on my old phone and I will use it over the weekend to see if it drains after I try shutting off fitness tracking in the settings for the health app. I don't know what issue my 5s would be having since I have almost every setting I could think of shut off unless my 5s is worn out. If I continue to have issues, I will go back Monday and have them switch everything back to my new 6s and keep it. If battery life gets better, I will consider keeping my 5s. I don't know if I should try downgrading to iOS 9.3.2 or not.
     
  4. starikarp macrumors member

    Joined:
    Apr 27, 2013
    #4
    I have also everything disabled also health app. My provider is AT&T.
    --- Post Merged, Jul 23, 2016 ---
    I have also everything disabled also health app. My provider is AT&T.
     
  5. qap macrumors 6502

    qap

    Joined:
    Mar 29, 2011
    Location:
    Udine, Italy
    #5
    Yes! I have this problem too, but only sometimes, the iPhone (6S) become hot and the battery drains very fast, I solved by closing all background app. I don't know what and where is the bug, but this has already happened 4/5 times to me in 3 days!
     
  6. vertsix macrumors 65816

    vertsix

    Joined:
    Aug 12, 2015
    #6
    Restore as new on 9.3.3. Solves all problems.

    Unless your battery is defective.
     
  7. Mlrollin91 macrumors G4

    Mlrollin91

    Joined:
    Nov 20, 2008
    Location:
    Ventura County
    #7
    Been running iOS 9.3.3 since Beta 1, now on Beta 5 which is the final. I have not experienced any battery drain whatsoever. I recommend a hard restart and then a restore. Something probably got stuck or corrupt. But to the battery hardware itself. 772 charge cycles is a lot for an iPhone. They are only rated for 80% capacity after 500 cycles. You're battery is probably well overdue to be replaced.
     
  8. mrex macrumors 68020

    mrex

    Joined:
    Jul 16, 2014
    Location:
    europe
    #8
    I think my iphone (6s+) is alitte but warmer than before under the normal usage (browsing/tapatalk.. No gaming) It is not hot, but feels warmer from the upper part.

    Safari seems to consume battery more than earlier. Since the last charging: 22h standby, 2,5h usage -> 66% left. Safari has used the battery 44%/47minutes. Need to "cycle" the battery couple of times and reboot the phone, and see what happens.
     
  9. akash.nu macrumors 68000

    akash.nu

    Joined:
    May 26, 2016
    #9
    So OP has the following 2 options and I'm confident that all of your issues will be over.

    - restore the phone and set it up as new from scratch.
    - get your battery replaced.

    As you mentioned, you'd like to use the phone until it falls apart. If your phone is in good condition externally then just getting the battery replaced will do the job. I've got it replaced on my 6 recently and the difference is literally day & night.
     
  10. Vegas33139 macrumors newbie

    Vegas33139

    Joined:
    Nov 30, 2014
    Location:
    Plymouth, UK.
    #10
    Yup, Baddery is draining very fast on my 6s since upgrading to 9.3.3. 100% to 36% in a day with very little use!! It was fine on 9.3.2 - so, me thinks it's not a defective baddery problem.

    I'm going to back it up and try a fresh install.
     
  11. starikarp macrumors member

    Joined:
    Apr 27, 2013
    #11
    I will try to sell 6s and go back to Android (HTC or Samsung). In eight (8) years as Android user I never had so many problems as I have on the Apple phone. Looks like you pay just for the name "Apple".
    --- Post Merged, Jul 24, 2016 ---
    I will try to sell 6s and go back to Android (HTC or Samsung). In eight (8) years as Android user I never had so many problems as I have on the Apple phone. Looks like you pay just for the name "Apple".
     
  12. M. Gustave macrumors 68000

    M. Gustave

    Joined:
    Jun 6, 2015
    Location:
    Grand Budapest Hotel
    #12
    Yeah, android has no problems or battery issues, right.
     
  13. starikarp macrumors member

    Joined:
    Apr 27, 2013
    #13
    It has but i is much easier to solve the problems. I had many kernel and other updates on Android and i NEVER need setup factory defaults as is recommended her on the forum supposed to solve a battery problem and wasting time for settings again, use computer for everything which you want to do etc... Please, defend Apple more...
     
  14. I7guy macrumors G5

    Joined:
    Nov 30, 2013
    Location:
    What Exit?/Saguaro Country
    #14
    So a sample size one? I had battery issues once in 2013. There was something wrong with the phone and I got a new one. Three years later, no excessive drain battery issues since.
     
  15. C DM macrumors Westmere

    Joined:
    Oct 17, 2011
    #15
    What were the usage and standby numbers that day?
     
  16. Jerhen thread starter macrumors regular

    Joined:
    Oct 22, 2015
    #16
    Sorry about not being on here for a few days but I was dealing with what I was going to do with my iPhone and I usually use my iPhone on these forums and I wasn't using my phone too much during the day to see if it would drain. Anyway, I had my carrier U.S. Cellular reset my iPhone 5s and then restore from an iCloud backup. After they reset it, I tried it for a day and the battery still went down. So I decided to go with the 6s and I am really liking the screen size and everything about it. My carrier couldn't figure out what was wrong with my 5s if it was the antenna or battery. They tested the battery and all they could learn was that it said it was good but I don't know how good that really is though. You said that 772 charge cycles is a lot for an iPhone, and is that all they normally last? I know after 500 cycles the battery is 80 percent or less and I just wonder how it goes down after 500 since Apple doesn't say how much it goes down.
    --- Post Merged, Jul 25, 2016 ---
    I should also mention that I decided not to get a new battery in my 5s because my carrier said they couldn't do it and my nearest Apple Store is 3 and a half hours away from me and I didn't want to have to send my phone into Apple. My two year contract with my 5s was up and I decided to upgrade. I was considering the SE because I liked the size of the 5s but decided not to because it didn't have 3D Touch and iOS 10 will rely heavily on 3D Touch and the display wasn't as good. After upgrading to the 6s, I think the 4.7" screen size is the perfect size for me. I can still use it one handed and sometimes use reachability to get top buttons on the top of the screen. I also like the keyboard and find myself not hitting the wrong keys like I was doing on my 5s, the keyboard for me on the 5s is was too small. Anyways, I really like my 6s.
    --- Post Merged, Jul 25, 2016 ---
    I also thought of something else to mention. My 5s I noticed that one day the battery would go down without using it and the next day it would seem okay. I also noticed that if I was on LTE with it and I was on safari it would go down like I was playing an intense 3D game on it. Battery life really sucked on it. In the weeks prior to the current issues with it I would use 100 percent of my battery on it and it would be dead at around 3:00 with minimum use. Do you guys think it is the battery then?
     
  17. Mlrollin91 macrumors G4

    Mlrollin91

    Joined:
    Nov 20, 2008
    Location:
    Ventura County
    #17
    Well the battery is rated to maintain 80% health after 500 cycles. It could last 1000 cycles before it drops below 80% but its entirely random, so there is no way to tell you exactly. Typically, you should see 4-5% health loss every 100 cycles, So 800 cycles should retain an estimated 65% of battery health. But, once batteries drop below 80% their health becomes sporadic and unreliable. So that 65% estimate could be incredibly inaccurate as well.
     
  18. Jerhen thread starter macrumors regular

    Joined:
    Oct 22, 2015
    #18
    I'm thinking too that the battery was probably going. I'm going to keep my 5s in case I need it for a spare but hope that I don't need it again. I think what you do is charge it up to 50 percent and then every 6 months charge it up to that to maintain whatever is left of the battery in case I need to use it again. Should I also remove the SIM card before I put it back in its box?
     
  19. Mlrollin91 macrumors G4

    Mlrollin91

    Joined:
    Nov 20, 2008
    Location:
    Ventura County
    #19
    I would charge to about 75-80% and power it off completely. Leaving the SIM card in won't hurt things. They say try to go through 1 charge cycle a month, but because its only a backup phone and the battery is already on its way out, I think you should be okay.
     
  20. akash.nu macrumors 68000

    akash.nu

    Joined:
    May 26, 2016
    #20
    I don't think this charge cycle business has got anything to do with the battery health. You don't need to maintain lithium ion batteries. That's the major benefit.
     
  21. Mlrollin91 macrumors G4

    Mlrollin91

    Joined:
    Nov 20, 2008
    Location:
    Ventura County
    #21
    You couldn't be more wrong. All batteries have limited charge cycles before health capacity starts to decrease. Apple has an entire webpage about maintaining batteries.

    http://www.apple.com/batteries/
     
  22. akash.nu macrumors 68000

    akash.nu

    Joined:
    May 26, 2016
    #22
    Yes all batteries have limited charge cycles but you don't need to maintain lithium ion batteries by charging and discharging them on a regular basis.
     
  23. C DM macrumors Westmere

    Joined:
    Oct 17, 2011
    #23
    Not so much in that sense. But there are somewhat better vs somewhat worse practices when it comes to some things. And there are some things when it comes to the accuracy of the battery meter.
     
  24. Mlrollin91 macrumors G4

    Mlrollin91

    Joined:
    Nov 20, 2008
    Location:
    Ventura County
    #24
    They still need to have one full cycle per 30 days or the health will degrade faster. If a battery goes inactive, it has the tendency to lose capacity, that applies to all batteries including lithium ion. They require less maintain but still need some.
     
  25. iris7ny, Jul 26, 2016
    Last edited: Jul 26, 2016

    iris7ny macrumors member

    Joined:
    Nov 19, 2015
    #25
    Li ion batteries last longer with partial discharges. Discharging the battery down to zero is to calibrate the battery gauge(software) and has nothing to do with the actual capacity as long as the battery's been used once every couple days.

    I'm at 583 cycles with 95% capacity
     

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