Ubuntu 16.04。文件管理器中没有挂载点。dmesg:
[ 607.212885] usb 7-2: New USB device found, idVendor=0e8d, idProduct=0002
[ 607.212889] usb 7-2: New USB device strings: Mfr=2, Product=3, SerialNumber=4
[ 607.212892] usb 7-2: Product: Product
[ 607.212894] usb 7-2: Manufacturer: MediaTek Inc
[ 607.212896] usb 7-2: SerialNumber: 534276607468940
[ 607.218915] usb-storage 7-2:1.0: USB Mass Storage device detected
[ 607.219036] scsi host8: usb-storage 7-2:1.0
[ 608.234915] scsi 8:0:0:0: Direct-Access MEDIATEK FLASH DISK PQ: 0 ANSI: 0 CCS
[ 608.237890] scsi 8:0:0:1: Direct-Access MEDIATEK FLASH DISK PQ: 0 ANSI: 0 CCS
[ 608.238252] sd 8:0:0:0: Attached scsi generic sg3 type 0
[ 608.238469] sd 8:0:0:1: Attached scsi generic sg4 type 0
[ 608.250936] sd 8:0:0:0: [sdd] Attached SCSI removable disk
[ 608.253895] sd 8:0:0:1: [sde] 13312 512-byte logical blocks: (6.82 MB/6.50 MiB)
[ 608.261896] sd 8:0:0:1: [sde] Write Protect is off
[ 608.261899] sd 8:0:0:1: [sde] Mode Sense: 03 00 00 00
[ 608.269914] sd 8:0:0:1: [sde] No Caching mode page found
[ 608.269922] sd 8:0:0:1: [sde] Assuming drive cache: write through
更新：存储模式已从手机菜单激活。 find /dev/disk/by-id -name 'usb-*' \! -name '*-part?' -exec sudo lsblk -f {} +无任何返回。