Same on Lumia 521. This is a popular phone, and it doesn't show the internal storage or sd at all, just freezes!
For me mtp-detect gives: $ mtp-detect Unable to open ~/.mtpz-data for reading, MTPZ disabled.libmtp version: 1.1.6 Listing raw device(s) Device 0 (VID=0421 and PID=0661) is a Nokia Nokia Lumia WP8. Found 1 device(s): Nokia: Nokia Lumia WP8 (0421:0661) @ bus 3, dev 3 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 LIBMTP PANIC: failed to open session on second attempt Unable to open raw device 0 OK. Trying again gives: Unable to open ~/.mtpz-data for reading, MTPZ disabled.libmtp version: 1.1.6 Listing raw device(s) Device 0 (VID=0421 and PID=0661) is a Nokia Nokia Lumia WP8. Found 1 device(s): Nokia: Nokia Lumia WP8 (0421:0661) @ bus 3, dev 4 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 Error 2: PTP Layer error 02ff: get_all_metadata_fast(): could not get proplist of all objects. Error 2: Error 02ff: PTP: I/O error Error 2: PTP Layer error 02ff: get_handles_recursively(): could not get object handles. Error 2: Error 02ff: PTP: I/O error Error 2: PTP Layer error 02ff: get_handles_recursively(): could not get object handles. Error 2: Error 02ff: PTP: I/O error USB low-level info: bcdUSB: 512 bDeviceClass: 0 bDeviceSubClass: 0 bDeviceProtocol: 0 idVendor: 0421 idProduct: 0661 IN endpoint maxpacket: 512 bytes OUT endpoint maxpacket: 512 bytes Raw device info: Bus location: 3 Device number: 4 Device entry info: Vendor: Nokia Vendor id: 0x0421 Product: Nokia Lumia WP8 Vendor id: 0x0661 Device flags: 0x00000000 Device info: Manufacturer: NOKIA Model: Lumia 521 Device version: 8.0.10517.0 .... and serial number and other info. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1247572 Title: Nokia Lumia 620 (WP8) fails to mount reliably via gvfs-mtp in nautilus To manage notifications about this bug go to: https://bugs.launchpad.net/gvfs/+bug/1247572/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs