Released on September 19, 2014, this 4.7" screen iPhone is the smaller version of the iPhone 6 Plus. Identifiable by the model numbers A1549, A1586, and A1589.

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How to force the DFU mode

I can put my phone in the DFU mode, however once I attach it to the power supply (and therefore disconnect from iTunes) it brings itself back into the normal boot. I would like to probe the logic board with the multimeter in the DFU mode, but I find it difficult. Is there a way to keep the phone in the DFU mode? One option that came up to my mind would be to keep it connected to iTunes while probing. Or am I doing something wrong altogether and the phone should stay in the DFU mode?

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why do you connect it to the power supply after putting it in dfu mode, just keep the supply attached and enter dfu

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Because I failed several times to put it into the DFU mode while at the power supply and I assumed this was impossible. Now with the positive attitude given by you I have succeeded immediately. Thanks.


Are you actually sure this works? I think that my excitation was premature: the DFU mode turned out to be disconnected screen, and I cannot succeed with that despite numerous attempts.


nevermind, I got it


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Mateusz Lacki will be eternally grateful.
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