IPhone X charging very slow on the fast charger.

Discussion in 'iPhone' started by sd13, Nov 7, 2017.

  1. sd13 macrumors regular

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    Jun 16, 2009
    #1
    i bought the 29w charger with usb-c to lightning cable but it is charging very very slow. Slower than even the regular charger. About 100 minutes from zero to 50. Is there a setting I have to enable? Or is my charger defective?
     
  2. thadoggfather macrumors G4

    thadoggfather

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    Oct 1, 2007
    #2
    I think fast charge Just isn’t that impressive on 8/8+/X like it is on high capacity battery iPads

    Marginal improvements over using regular iPad charger
     
  3. pat500000 Suspended

    pat500000

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    #3
    I thought apple was suppose to update fast charging capability...
     
  4. MrAperture macrumors regular

    MrAperture

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    #4
    Genuine Apple parts?
     
  5. MCube74 macrumors 65816

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    Hong Kong
    #5
    No I heard it is ready out of the box.
     
  6. MCube74 macrumors 65816

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    #6
    Then it is useless to buy the extra accessories?
     
  7. sd13 thread starter macrumors regular

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    Jun 16, 2009
    #7
    Yes, purchased at the Apple store.
     
  8. Applejuiced macrumors Westmere

    Applejuiced

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    At the iPhone hacks section.
    #8
    That's for wireless charging I think.
     
  9. The Game 161 macrumors P6

    The Game 161

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    #9
    my x it charged from 0-80% in like an hour

    pretty impressive to me
     
  10. pat500000 Suspended

    pat500000

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    #10
    Oh okay....hopefully they hurry it up with it.
     
  11. sd13 thread starter macrumors regular

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    #11
    I wonder if I have a defective phone or defective charger. Mine charges only to 40% in an hour.
     
  12. The Game 161 macrumors P6

    The Game 161

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    #12
    Yeah I would get a replacement
     
  13. HeadphoneAddict, Nov 7, 2017
    Last edited: Nov 7, 2017

    HeadphoneAddict macrumors 6502a

    HeadphoneAddict

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    #13
    Screenshot 2017-11-08 00.54.39.png I heard the same thing, that Apple has to enable fast charging in the next iOS update. I guess it's time to go check Google.
    --- Post Merged, Nov 7, 2017 ---
    So, Apple Insider has this: http://appleinsider.com/articles/17...ing-speeds-with-fast-charge-wireless-and-more

    Fast charging is enabled for wired charging, but not wireless, which comes later, but it charges the fastest only for the first 30 minutes with the 29 watt USB-C charger, probably to protect the battery from heat. using a higher wattage charger makes no difference. And it's only a little faster than the current 12W iPad charger with the standard USB lightning cable.

    Still, 52% charge in 30 minutes is what they say to expect, and the next 48% takes another 1 hour to get full.

     
  14. HeadphoneAddict macrumors 6502a

    HeadphoneAddict

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    Sep 16, 2007
    #14
    So, Apple insider got to 52% in 30 minutes with a 29w cube, and 9to5Mac similarly got a little over 50% charge from 0 to 50% in just 30 minutes. Your phone is definitely charging slower than it should at 50% in 100 minutes. Not sure if it's the cube or the phone. But fast charge should not need a settings change.

    Do you have a 12w cube to test your iPhone X charging rate and see if gets to 50% in 45 minutes, as noted by 9to5mac? Then we'd know it isn't the phone.

    As for the wireless I mentioned above, which doesn't have fast charge turned on yet, I'm also charging slower than expected for Qi. I got the Samsung fast-charge Qi charging pad this afternoon, and tried it tonight with my iPhone X. I started at 70% charge. It climbed to 80% in the first half hour, and to 94% at the end of 1 hour, and hit 100% after 1hr 23min. According to Appleinsider that 30% should have only taken 45 minutes.

    I'm going to test the 12 watt cube tomorrow, now that my phone is already at 100% I can't test it tonight. I ordered a 3rd party 30W USB-C PD cube and an apple USB-C to lightning cable to test fast charge this weekend.
     
  15. Arni99 macrumors 6502a

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    Vienna, Austria
    #15
    Did you just get your phone and are running a restore of a huge icloud backup with Apple Music while charging? Then it's clear but otherwise there is somethiong wrong.
    My X needs 30 min for ~50% and 1 hour for 80% using the Apple 29W USB-C + Apple USB-C/lightning cable.
     
  16. MiBook84 macrumors regular

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    Nov 2, 2008
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    Malmö, Sweden
    #16
    I tried to charge my iPhone X with the 87W charger for my MacBook Pro 15" as is supposed to be beneficial according to Apples support document. But as other people here, I noticed no dramatic charging speed difference. Took 50 minutes from 56% to go to 100%.
     
  17. MCube74 macrumors 65816

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    Hong Kong
    #17
    I use the 29W adapter for my iPad Pro and it chargers very fast

    Was hoping to enjoy the same with iPhone X. Sad it will not be that big of a deal.

    I have a question regarding wireless charging.

    If we use a Samsung Fast wireless charger and and Samsung Fast charger, will the iPhone X charger faster wirelessly compared to regular wireless chargers?
     
  18. spinedoc77 macrumors G3

    spinedoc77

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    Jun 11, 2009
    #18
    Wireless charging sucks on my X. I can't have the screen on with brightness over 50%, or it will slowly discharge instead of charging. This is with a fast wireless charger and a 2.4A adapter. I'm hoping it's something Apple can improve through software.
     
  19. eggersj macrumors 6502

    eggersj

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    Apr 23, 2008
    #19
    Mine went from 20-99% in 45 minutes with a 12W iPad Charger... Love this thing
     
  20. sd13 thread starter macrumors regular

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    Jun 16, 2009
    #20
    Mine is charging very slow no matter what charger I use. 0-90 in over 3 hours even with both 12w and 29w. I'm thinking maybe I have a defective device.
     
  21. Applejuiced, Nov 8, 2017
    Last edited: Nov 8, 2017

    Applejuiced macrumors Westmere

    Applejuiced

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    #21
    You're making sure you're using an official MFI certified lightning wire right? Cause I know a few people that were using cheap knockoff wires bought at a gas station and their phones would take forever to charge with those.
    If yes then I'd get it checked out at the Apple store.
     
  22. sd13 thread starter macrumors regular

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    Jun 16, 2009
    #22
    All my wires were purchased from the Apple store.
     
  23. The Game 161 macrumors P6

    The Game 161

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    #23
    when apple enable fast wireless charging.
     
  24. thadoggfather, Nov 8, 2017
    Last edited: Nov 8, 2017

    thadoggfather macrumors G4

    thadoggfather

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    Oct 1, 2007
    #24
    So I’m getting scientific

    Smaller Shorter top offs, seem to make no significant difference compared to iPad charger.

    I’m at 0% and set my timer for an hour.

    29w and 2m USB-c to lightning,

    Will report back how much it tops off.

    Maybe for something like this, it will make a good difference.



    49% at 30 min, 79% at 1 hr

    Right on the mark with the advertised speeds.

    What is it like with an iPAd charger? i can try that down the road

    Edit- improvements from that graph don’t seem THAT substantial but there 29w vs 12w
     
  25. allthingsapple! macrumors regular

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    Sep 4, 2014
    #25
    I was under the same impression.
     

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