Thread: bums :-(
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Old July 4th, 2013, 04:09 PM   #21 (permalink)
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The S4 detects whether it is in docking mode by checking the resistance across pins 4 and 5 (ID and gnd) on the USB socket. If it's 367kOhms (IIRC) it decides it's in docking mode.

All your problems seem to be USB related and intermittent which points to a hardware fault in my view.
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