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iPhone 11 won't charge and Heats up.

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  • iPhone 11 won't charge and Heats up.

    Customer brought in iPhone 11 that was recently dropped. After the incident the phone heats up when it is plugged in to charge, no matter how long it is plugged in it does not charge even though it shows it is charging. what should I check first before I start opening the board.

    Thank You

  • #2
    I would connect to DC power supply to see if the board has excess current consumption, maybe there is an easy short.

    Comment


    • #3
      Connected phone to power supply, pulls 0 amps . when phone is connected to amp meter it pulls a steady 0.97 .I also tested with ICC PRO , charger port, tristar/hydra OK and VCC main OK. if phone stays plugged in for longer period of time a message pops up " TEMPERATURE iPhone needs to cool down before you can use it. " I tried a different battery still the same issue.
      Last edited by Maroc; 11-19-2020, 10:41 PM.

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      • #4
        We need to troubleshoot how you’re connecting your phone to dc power supply. That’s where we start with any phone with a complaint of not turning on.

        you are saying connecting to dc power “pulls zero amps”. Then later you say the phone is able to power it’s display and show a temperature message.

        those two things are not possible. What’s wrong here is your dc power supply—we have to get it to work as expected and give us the right information.

        show us your dc power supply set up.

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        • #5
           

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          • Jessa_the_Professa
            Jessa_the_Professa commented
            Editing a comment
            This is a usb ammeter, not a dc power supply. Right now, we want to use dc power supply to see if there is excess current consumption somewhere in the phone while it is on, indicating a short circuit. Later we can ask why it is not charging. This tool asks the question "are you charging"

        • #6
           

          Comment


          • Jessa_the_Professa
            Jessa_the_Professa commented
            Editing a comment
            This is a dc power supply--the right tool. Now we need to use it. Connect the phone to dc power supply black lead to ground, red lead to battery power. Best is to use a dedicated cable such as this one. https://store.ipadrehab.com/New-DC-P...-11-p239686364 If you do not have a dedicated squid for iPhone 11, then solder wires to and attach by alligator clamp. Avoid soldering a wire inside the battery connector or it will become damaged.

            One you have the squid attached to dc power supply and the phone, then prompt to boot the phone. Show us the results on dc power.
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