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4-inch iPhone released in March 2016 with similar hardware specifications to the 6S. Available in Silver, Space Grey, Gold, or Rose Gold with 16/32/64/128 GB storage options. Model: A1662 and A1723

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Error 6 while rewriting firmware

Dear users,

I’m tasked with saving an iPhone SE that’s currently bricked. During boot it will sit on the Apple logo screen and subsequently enter recovery mode on its own.

The simple answer would be to flash iOS 12 (it’s currently also running this but trying 11.4.1 yields the same results) back onto the device but during the flashing process iTunes will throw error 6. This happens right as the phone reboots, enters recovery mode, and subsequently shows the first progress bar. The progress bar will not fill even a tiny bit. The same result has been replicated on 3 machines so far.

I’ve also tried a third party flash tool (3u Tools) but it gives me the same problem. It won’t get past the “Updating S3E Firmware” stage.

In the iTunes log files I’m finding “Failed to update NAND firmware”, which leads me to believe the flash chip might be bad. After reflowing (I don’t have the tools at hand for a reball sadly) the chip I’m still getting the same issue.

Am I missing something or is it safe to assume the phone is dead?

Answered! View the answer I have this problem too

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I have the same problem with my Iphone 6S. Does anyone know how to fix it? I only had it for 2 months and it sucks

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The NAND has underfill so it’s not a good idea to try reflowing it; you can actually cause shorts or solder blowouts. If you have access to the schematics (easy to find with Google - sorry, can’t share them here), then I would check the voltage lines that power the NAND to see if there is anything wrong.

Do you know what caused the phone to brick in the first place; was it due to physical damage, repair attempts, water or just out of the blue?

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My problem is when i flash the firmware to i phone se and it is done . i see the error while the apple logo is appear and stop in half of firmware extrecting line is stopping . So can anybody help me please? ....

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Marnick Visser will be eternally grateful.
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