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2014年9月19日に発売されたiPhone 6の修理情報とガイドです。モデル番号 A1549、A1586、A1589。

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iPhone 6 does not turn on; on charger - it bootloops

Hi, Im new to this board and Im not a native speaker so please be patient.

Information:

Device: iPhone 6 - 64GB

iOS: 12.4.2 (I tried to update on)

Device dropped and the screen is cracked (LCD seems to be fine).

Digitizer was not working after the drop.

Device was lying around for about two months, so the battery musst be empty.

It’s a second hand device, I’ve only got these information about the device history.

Problem:

Case 1 (does not simply turn on):

  1. Device is off.
  2. I press the power button.
  3. nothing happens.

______________________________________________________

Case 2 (freezes after apple logo on charger):

  1. Device is off.
  2. I connect the device to the wall charger.
  3. The display turns on immediately with the apple logo, stays for ~5 seconds
  4. Display turns black again, but some backlight is definitely on
  5. then no change, meanwhile there is a continues, silent zipping sound
  6. I do not know if it is charging or not

______________________________________________________

Case 3 (fast bootloop on PC connection):

  1. Device is off.
  2. I connect the device to my PC, with iTunes installed (USB 3.0 and 2.0)
  3. The display turns immediately on with the apple logo, stays for ~1 second, My PC does not recognize any connected devices.
  4. Then it turns off again, for ~5 seconds
  5. Then it goes back to step 3.

______________________________________________________

I’ve tried put it to DFU mode and restore it with iTunes, this is what happened:

  1. Continues from case 3 (Step 3 to 6)
  2. I press down the power and home button simultaneously , for ~ 5 seconds
  3. Then I release the power button and hold the home button, for ~10 seconds
  4. A “Apple mobile device” gets connected to the PC and iTunes pops up
  5. Device stays black
  6. iTunes says there is an iPhone 6 in recovery mode connected, offers me a recovery
  7. I submit the update and recovery option.
  8. iTunes unpacks the update.
  9. iTunes prepares the iPhone
  10. After preparation is finished the device disconnects and connects exactly two times, meanwhile iTunes says its “waiting for the device
  11. Device turns on with an apple logo, then the spinning circle appears, the loading bar appears
  12. Then the device gets disconnected
  13. After 1-2 seconds the device turns black
  14. It does not connect anymore. iTunes waits forever..
  15. And the case 3 restarts from step 3

______________________________________________________

Can somebody make any suggestions? What should I test next?

I was thinking to order a new battery.

Update (10/25/2019)

The Problem was really the battery.

I replaced the battery with a cheap used one. And the phone didn't turn on, it was still stuck on bootloop.

But after reflashing the os, it stared just normal.

Hope that can help somebody :)

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ベストアンサー

Good thinking, from the likes it sounds a replacement battery is definitely needed as first step to proceed with troubleshooting or it might alone be sufficient to recover the iPhone. Keep us posted..

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it might be, that this phone got that old, that only few people are still thinking about it.

But its my first restoration investment, so I wanted to try it with a cheap model. The Phone cost me just 20€.

I'll keep up posting :) thanks

さんによる

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Your battery’s flex cable might have snapped when it fell so it won’t charge anymore.

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[deleted] さん、ありがとうございました!
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