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I've got Debian 8.5 running on top of Chrome OS, I plug in my Galaxy On5 and ChromeOS recognizes it instantly, Debian doesn't. I have mtp tools installed, and when I run mtp-detect I get the following output:

Unable to open ~/.mtpz-data for reading, MTPZ disabled.
libmtp version: 1.1.8

Listing raw device(s)
Device 0 (VID=04e8 and PID=6860) is a Samsung Galaxy models (MTP).
   Found 1 device(s):
   Samsung: Galaxy models (MTP) (04e8:6860) @ bus 1, dev 10
Attempting to connect device(s)
ignoring libusb_claim_interface() = -6PTP_ERROR_IO: failed to open
session, trying again after resetting USB interface
LIBMTP libusb: Attempt to reset device
inep: usb_get_endpoint_status(): No such device
outep: usb_get_endpoint_status(): No such device
libusb_open() failed!: No such device
LIBMTP PANIC: Could not init USB on second attempt
Unable to open raw device 0
OK.

2 Answers 2

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There is a newer version of mtp-tools availible in backports, so you could try if it resolves the issue.

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  • It still does not work on Debian 11 with a Galaxy S9+ (libmtp version: 1.1.17) Apr 15, 2023 at 2:00
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Running mtp-detect was giving me an almost identical error.

After reading through the following bug report, I was able to resolve the problem by removing the following packages:

sudo apt remove gvfs-backends
sudo apt remove gvfs

Running mtp-detect now gives detailed information about the phone, instead of just detecting it is a Samsung Galaxy MTP device.

I can also browse the device in KDE with Dolphin file manager (impossible before, supposedly due to the conflict with the GNOME gvfs).

OS is the current version of Debian 11 Buster (libmtp version: 1.1.17), and phone is a Samsung Galaxy S9+.

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