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Question: TomTom Car Kit for iPhone won't charge iPhone 4 with IOS 5


stonefield Author

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Replies: 3

24 October 2011, 03:59

I've had a TomTom iPhone Car Kit with iPhone 4 adapter that has worked perfectly with my iPhone 4 for many months.

Since upgrading the iPhone's software to IOS5 the car kit no longer charges it. I tried an iPhone 4 with IOS 4.3 in the car kit and it still charges so we know that the car kit still works.

 

Has anyone else here had this problem and found a solution or is this one up to TomTom/Apple to fix in software?

 

SImilar things are going on here on the apple forum.

34 comments

  • nzahn1

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    24 October 2011, 18:16

    I've seen posts about the iPhone 4s having similar issues, but It has the same form-factor as the iPhone 4, just running iOS5. I'm thinking there is a change in the firmware of the charging system of the iPhone that prevents triggering the TT Dock. Solutions for the iPhone 4s included adding depth to the TT CarKit switch by adding paper/velcro/weather striping to the adapter. By pushing the switch farther in it may create a more complete circuit.

  • jphfrombrussels

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    24 October 2011, 18:44

    Hello, same problem for me: Iphone 4, 2 carkits in 2 several cars and no charging since i upgraded to Ios5... That's not very convenient ! I don't find any answer on the net (apple or tomtom...)

  • Kao
    Kao

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    24 October 2011, 21:14

    I have an iphone 4 and 4s, both working fine on ios5 using the tomtom car kit purchased around jan-feb of 2011. It came with an adapter for the iphone 4.

     

    Here's a few things you could check.

     

    1. Check the tomtom unit to make sure that the back is being pressed all the way, if not then you'll need to fix it with a new adapter that is thicker or modify it so that when you insert your iphone 4, it pushes the unit all the way in.

     

    2. Check your cigarette lighter to make sure it's receiving power. If it's not, check your fuse. If it's directly wired in, check your fuse.

     

    3. Use a can of compressed air to blow the contacts on the bottom of your iphone. Sometimes dust can get into it and cause poor connections.

  • jphfrombrussels

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    24 October 2011, 21:44

    @Kao:

    THX for your reply.

    The car kit was OK until I upgraded to ios 5...

    1- I use the official adapter for Iphone 4

    2- The cigarette power of my 2 (!) cars is OK, the light on the adapter goes green. if I use another Iphone charger (not the tomtom carkit), it works with my iphone !

    3- I already tried that, it didn't work sadly...

    So, I repeat, I have the same problem with two different carkits in two different cars... and it worked perfectly until last week and the transfer from ios 435 to ios 5...

    Regards

    jph

  • Kao
    Kao

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    24 October 2011, 21:47

    Try #1 again, but manually push and hold it in with your hands to see if it'll recognize it. If that's the case, add a cardboard as well. It's worth a shot. Basically, try increasing the spacer/adapter thickness. I'm reading that people have different adapters which some are thick enough while some are just a bit too thin where a cardboard would make it thick enough to work.

  • delste

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    24 October 2011, 21:51

    Hope this helps.  I got answer from a different place in forum.  I have an iphone 4 that worked fine even after upgrading to ios5.  Then I got a 4s and it would not charge in the cradle.  I took a thick piece of paper (I used the little brochure from the adaptor for the iphone4 and folded it over twice which gave me 8 thicknesses of paper)  I placed that between the I phone and the little plastic block adaptor on the cradle.  Everything works fine.  They just have to make an adaptor that is a little thicker.

     

    Steve

  • nzahn1

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    24 October 2011, 21:54


    jphfrombrussels

    I may be barking up the wrong tree here, but also try loading the free Car Kit App (not the navigation TT App) and see if it recognizes the dock. That may provide more information.

  • jphfrombrussels

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    24 October 2011, 22:00

    @nzahn1: I tried that; the status is "docked"! Also the Iphone "sees" the Carkit via bluetooth and connects, and TomTom ap works fine... My  problem remains the battery charge...

  • jphfrombrussels

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    24 October 2011, 22:02

    @Kao: I tried this way, doesn't work neither :(

  • Kao
    Kao

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    24 October 2011, 22:07

    It looks like you're experiencing a different type of problem than everyone else here. Keep us updated on your progress or if you find a solution. I was one of the lucky ones with my adapter working with my my 4 and 4s on ios5.

     

    I came here because the street names on my 3d map keep disappearing but I'm glad to find solutions to other people's problems. You never know when you'll run into the same problem so it's good to see solutions before hand.

  • delste

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    24 October 2011, 22:15

    Keep trying different thicknesses

  • dave604

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    25 October 2011, 16:13

    I have the same problem, but with a 3gs. thickness shouldn't be a problem here. I will try on my brother's car kit, in a different car, usgin hard reset(hold home+lock until apple logo appears, dusting off, etc)

     

    the thing is this has just started RIGHT AFTER upgrading to ios 5. :( can't downgrade either.

     

    Will tomtom do a firmware upgrade ?

  • moslekcin

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    25 October 2011, 21:35

    Hi All

     

    Right, this is what worked for me;

     

    I had a iPhone 4 running ios 5 and all was fine. Since upgrading my to 4s my TomTom car kit wouldnt regognise the new phone.

     

    1. Remove the iPhone 4 adapter (retangular stick on thing that comes with the kit specifically for the iphone 4)
    2. turn it over so it is facing the wrong way. You should still have enough stick left behind on the kit itself to stick on again - must be the wrong way around!!
    3. Job done!!

    Works a treat

  • stonefield Author

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    26 October 2011, 00:16

    To Kao, you say that your iPhone 4 on IOS 5 works in the car kit, what's the firmware version of your car kit?

    The Car Kit Tool app tells me that mine is 0.0.4, model 4UUB4

    I also tells me that it's docked and gets a GPS fix, yet doesn't charge in the car kit.

  • Kao
    Kao

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    26 October 2011, 00:28

    Model No. 4UUB4

    Firmware 0.0.49

    Hardware 1.0.0

     

    I've tested two verizon iphone 4 running ios5, one att iphone 4 running ios5, and my own att iphone 4s running ios5. It all works as normal (minus the disappearing street names on the 3d map). The iphones were running ios 4.3.5 prior to updating to ios5.

     

    Is the bluetooth connecting? I'm starting to lean towards not enough power going into the tomtom unit to charge the iphone. I recall some people were having trouble charging their ipads on a computer usb port while using it at the same time and how it would only charge if they turned the device off.

  • dave604

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    26 October 2011, 11:41

    Yesterday I went to replace my tomtom car kit, went two rounds with the car, and the problem didn't occur. doh. I suppose I should be happy then ? :) I still have about 2 months warranty, and I think the car kit bloody knows that ;)

  • stonefield Author

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    27 October 2011, 02:27

    Oops - typo in my previous post - it's version 0.0.48 but that's still lower than 0.0.49 that's reportedly working.

  • MB_driver

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    12 November 2011, 00:28

    TomTom needs to update the car kit tool for IOS5!!!!!
  • kidd007

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    14 November 2011, 17:46

    I having same problem worked fine until upgrade getting message on phone saying device does not support charging !.

  • jphfrombrussels

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    14 November 2011, 17:59

    I upgraded the Ios to the newest one (5.0.1) It didn't change anything... Always 2 different carkit which don't charge the Iphone when i use it... Borying !!!

  • kidd007

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    14 November 2011, 18:03

    I have upgrade to 5.0.1 as well still not charging tomtom need to do software update, whats the point of car kit if does not work.

  • stonefield Author

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    14 November 2011, 21:32

    For what it's worth I submitted a bug report to http://www.apple.com/feedback/iphone.html stating that all other things being the same, upgrading to iOS 5 disabled charging on the Tomtom Car Kit.

    Give it a go, it might gain some attention at Apple!

  • dave604

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    15 November 2011, 00:26

    did the same, have filed a bug report and a software/hardware incompatibility

  • Alank

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    15 November 2011, 16:17

    Just read through the posts and added a strip of double sided foam tape between the carkit rocker and the adaptor to pack the adaptor outwards.  It didn't work before and now works perfectly!

    I think the problem is that the TomTom adaptor rear lip around the recess is stopping the rocker swinging back far enough, the tape packs it forward allowing a little more swing backward.  I would guess that TomTom have got the dimensions of the adaptor wrong, but by only a little, hence it works on some kits and not others.

    The car kit tool now works fine - it always reported 'not docked' before.

    I'm using 4s, iOS5.0.1

  • davidm

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    16 November 2011, 16:39

    I have the exact same issue. My 2 Tom Tom iPhone car kits will not charge the phone.

     

    It shows as docked, it connects to the GPS in the kit, but will not charge.

     

    I visited my local Apple shop (Genius Bar) today and explained the issue. They checked everything on the phone and found no issues. Their suggestion is that it is a software incompatibility problem.

     

    I have also raised through Apple using the link in the above post.

     

    Can someone please sort this out.

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