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Introduzione

iTunes error codes are very common and it may pop up when you try to restore your phone or update to the new system. REWA LAB has summarized common iTunes error codes of iPhone 6 / 6 Plus and the troubleshooting thoughts of these iTunes error codes.

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  1. iTunes error code 1 is usually related to baseband CPU, baseband PMU and the 19.2MHz crystal oscillator.
    • iTunes error code 1 is usually related to baseband CPU, baseband PMU and the 19.2MHz crystal oscillator.

    • We can replace the baseband PMU and the crystal oscillator if the two are damaged.

    • Please be noted that, baseband CPU is paired with CPU, if it is pseudo soldered, we can only re-solder it. Baseband CPU replacing is not practicable. If it is damaged, then the phone bears no maintenance value.

  2. iTunes error code -1 is usually related to baseband EPROM.
    • iTunes error code -1 is usually related to baseband EPROM.

    • Check whether baseband EPROM is pseudo soldered or damaged.

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  4. iTunes error code 56 is usually related to NFC chip and rear camera.
    • iTunes error code 56 is usually related to NFC chip and rear camera.

    • Since NFC chip has a high rate of damage, our first move is to check whether it is pseudo soldered or damaged.

  5. iTunes error code 4013 and 4014 is usually caused by pseudo soldering or damage of CPU.
    • iTunes error code 4013 and 4014 is usually caused by pseudo soldering or damage of CPU.

    • Please be noted that 4014 is usually related to CPU SDRAM and we can simply replace it with a new one.

  6. iTunes error code 2005 is usually caused by low battery of the phone or damage of the battery.
    • iTunes error code 2005 is usually caused by low battery of the phone or damage of the battery.

    • iTunes error code 9, 14, 40, 2009 and 4005 is usually caused by damage of the NAND flash or failure of NAND flash relevant circuits.

  7. As for iTunes error code 3194, first thing we to do is to check the network and connection between phone and computer.
    • As for iTunes error code 3194, first thing we to do is to check the network and connection between phone and computer.

    • If nothing goes wrong, check the charging port flex and charging port connector.

Conclusione

Before seeking for logic board solution, you can rule out some basic causes first.

1. Update iTunes to the latest version.
2. Update your computer to the latest OS.
3. Restart your computer and soft reset your iOS device.
4. Unplug and plug in your iOS device to try again.

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Phryne

Membro da: 17/11/2019

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