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2016年9月16日に発売。モデル番号は1660, 1778で GSM かCDMA があり。/ 32、128、 256 GB / 色はローズゴールド、ゴールド、シルバー、ブラック、ジェットブラック

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iPhone 7 Boot Loop Restore did not work

Hi,

I am having issues with my iphone 7, it began in a boot loop, and Apple support told me to restore the problem to fix it. This didn't work and it will constantly sit there rebooting until it dies.

No error's or nothing!

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Try to boot your iPhone 7 into Recovery mode. First connect your device to computer with USB and open iTunes. And then keep pressing the "Side" button to shut down your iPhone. Next, hold down the "Volume Down" button for about 10 seconds (don't release the button until you see the "Connect to iTunes logo"). Use iTunes to restore iPhone 7.

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I tried this but it won’t go into recovery mode.

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No point on giving up on this device so quickly...it is an iPhone 7 after all. At the very least, bring it to a reputable micro-solderer to see if they can find and fix the issue. Boot-loopers are tough and can have deep problems and aren't always repairable but most micro-soldering repair shops work on a no fix/no fee basis so there's not much risk involved.

Can you plug it into a USB ammeter to see if there is any current flow? Otherwise, many things can cause a boot-looping device. Give us more history by commenting on this answer.

A few things to try first if you haven't already:

  • Try a hard reset (Home & Power button for 10 secs)
  • Use a genuine Apple Lightning connector
  • Use a genuine Apple charging brick and let it charge overnight
  • Try to connect it to different computers (mac/pc if possible) with an updated iTunes
  • Put the phone in recovery mode (search DFU Mode). Careful, this can reset your data
  • Use 3uTools for putting it in and out of Recovery Mode
  • Use 3uTools to flash the firmware (you can't downgrade)
  • Check the condition of all the flexes (with magnification)
  • Disconnect the Front Camera Ribbon from the logic board and reboot your phone
  • Disconnect the screen assembly completely and see if iTunes will recognize the phone.

Otherwise, you may have a logic board issue.

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Sadly, 3uTools is currently Windows-only.

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Disconnect the Front Camera Ribbon from the logic board and reboot your phone

this one really works. Thanks a lot!

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Thank you for the suggestion to "Disconnect the Front Camera". iTunes now recognizes the phone and the update is downloading now. iTunes wasn't recognizing the phone at all until I did and it was stuck in a boot loop.

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multiple problems can cause the bootloop. if the restore did not work, you could have a battery or board level failure.

the battery may not have enough juice to pump into the OS, in which case, it will fail.

the power button could be shorting.

or you could have physical corruption in the image chip.

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Definitely has enough battery, just tried "flashing" using the 3uTool, still looping. I was told by apple support to get it inspected, and that even though the screen is cracked if its a software issue it will be warrantied. I walked into the store to have it inspected and was immediately told its rebooting because the screen is cracked... It was cracked long before these loops.

So not sure what my next move is, any suggestions? If I open up the phone is there anything I could try internally?

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im not saying the battery could be dead, but rather there is an intermittant disconnect inside of it that cant regiser the prober voltages to the board.

as for things you can do, you can pretty much only replace battery or power button, to see if that fixes your issues. if that doesnt fix it, and your resets dont work, then you are looking at the board failure mentioned above. you can replace a logic board if youd like, but i would suggest buying a new device at that point instead.

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Well looks like yet again another 800$ apple paper weight. Seems like every device from apple always ends up that way. Good business model I guess.

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I have a iphone 7 ios 11 and it is showing apple logo and after 2 sec it offs this repeats until the battery finishs plese help me ):

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same problem if I remove lcd I can restore it and see it in itumes. when I connect the lcd flat it restarts me continuously

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I know this threads old but I changed a lm lcd on an iPhone 7 and upon restarting I kept getting apple bootloop and a greyish white hue on the screen that would fade to black then loop over to the apple logo again and again but iTunes would recognise it and even restored and updated it twice but would go back to the looping again....turns out it was the new screen! I put a cracked old iPhone 7 screen on and it loaded up fine, I did replace the proximity sensor and unplug the camera flex and both those methods failed to work for me, it was only upon putting an original screen on did it work for me which was really surprising as I thought it was dead

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this thread super old but yesterday i put my iphone 7 on the battery after months of it doing the reboot loop and it was charging overnight on genuine apple chargers and the morning i woke up to my surprise it worked and i was able to use it. However today (10/31/19) i tried to update my phone and it ended up crashing mid update and now i have reboot loop very sad i only had 1 day with it but hopefully i can fix it by letting it charge over night on the chargers . If it doesnt work then ill just order a genuine apple screen off amazon and put it on the phone itself.

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IPhone 7 Plus 512 only 13 months old and went into boot loop. Apple would not repair and gave no support. Left in a drawer for

over a year. Read about the iphone genuine lead and charger and plugged it in. 10 mins later it switched on and I was able to update it to iOS 13.2.2 not sure if it will work going forward but good for now. No idea why this should work or if it’s really the cable that has worker or leaving in drawer or other hocus pocus magic?

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Justin さん、ありがとうございました!
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