[X Play Q&A, Help & Troubleshooting] firefoxos:
Same here. Are there any solutions yet?

C:\Users\hg1>adb devices
List of devices attached
ZY222XHFZ4 device

C:\Users\hg1>adb reboot bootloader

C:\Users\hg1>fasboot devices
'fasboot' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\hg1>adb shell
error: no devices/emulators found

C:\Users\hg1>fastboot oem device-info
(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
...
(bootloader) 'device-info' is not a supported oem command
(bootloader) See 'fastboot oem help'

FAILED (remote failure)
finished. total time: 0.028s

C:\Users\hg1>fastboot devices
ZY222XHFZ4 fastboot

C:\Users\hg1>fastboot oem device-info
(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
...
(bootloader) 'device-info' is not a supported oem command
(bootloader) See 'fastboot oem help'

FAILED (remote failure)
finished. total time: 0.033s

C:\Users\hg1>fastboot getvar all
(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
(bootloader) version: 0.5
(bootloader) version-bootloader: moto-msm8939-80.F3
(bootloader) product: lux
(bootloader) board: lux
(bootloader) secure: yes
(bootloader) hwrev: 0x82C0
(bootloader) radio: 0x4
(bootloader) emmc: 16GB Samsung REV=07 PRV=01 TYPE=57
(bootloader) ram: 2048MB Samsung S8 SDRAM DIE=4Gb
(bootloader) cpu: MSM8939
(bootloader) serialno: ZY222XHFZ4
(bootloader) cid: 0x0007
(bootloader) channelid: 0x40
(bootloader) uid: 4D96800300000000000000000000
(bootloader) unlocked: no
(bootloader) securestate: locked
(bootloader) iswarrantyvoid: no
(bootloader) mot_sst: 0
(bootloader) max-download-size: 268435456
(bootloader) reason: Reboot mode set to fastboot
(bootloader) imei: 358967065799346
(bootloader) meid:
(bootloader) date: 12-03-2015
(bootloader) sku: XT1562
(bootloader) battid:
(bootloader) iccid:
(bootloader) cust_md5:
(bootloader) max-sparse-size: 268435456
(bootloader) current-time: "Sun Apr 1 11:38: 3 UTC 2018"
(bootloader) ro.build.fingerprint[0]: motorola/lux_reteu/lux:7.1
(bootloader) ro.build.fingerprint[1]: .48-24-1/1:user/release-ke
(bootloader) ro.build.version.full[0]: Blur_Version.26.31.1.lux_
(bootloader) ro.build.version.full[1]: teu.en.EU
(bootloader) ro.build.version.qcom: LA.BR.1.2.9-01810-8x16.0
(bootloader) version-baseband: M8936_20250112.18.05.38R LUX_EMEA
(bootloader) kernel.version[0]: Linux version 3.10.49-gd043ad1-0
(bootloader) kernel.version[1]: f239c (hudsoncm@ilclbld31) (gcc
(bootloader) kernel.version[2]: 4.8 (GCC) ) #1 SMP PREEMPT Mon S
(bootloader) kernel.version[3]: :03:43 CDT 2017
(bootloader) sbl1.git: git=MBM-NG-V80.F3-0-gd925c02
(bootloader) rpm.git: git=MBM-NG-V80.F3-0-g932f716
(bootloader) tz.git: git=MBM-NG-V80.F3-0-gcf5b5ba
(bootloader) hyp.git: git=MBM-NG-V80.F3-0-gcf5b5ba
(bootloader) aboot.git: git=MBM-NG-V80.F3-0-g8dc6510
(bootloader) partition-type:modem: raw
(bootloader) partition-type:sbl1: raw
(bootloader) partition-type:DDR: raw
(bootloader) partition-type:aboot: raw
(bootloader) partition-type:rpm: raw
(bootloader) partition-type:tz: raw
(bootloader) partition-type:hyp: raw
(bootloader) partition-type:utags: raw
(bootloader) partition-type:misc: raw
(bootloader) partition-type:padA: raw
(bootloader) partition-type:abootBackup: raw
(bootloader) partition-type:rpmBackup: raw
(bootloader) partition-type:tzBackup: raw
(bootloader) partition-type:hypBackup: raw
(bootloader) partition-type:utagsBackup: raw
(bootloader) partition-type:logs: raw
(bootloader) partition-type:frp: raw
(bootloader) partition-type:padB: raw
(bootloader) partition-type:modemst1: raw
(bootloader) partition-type:modemst2: raw
(bootloader) partition-type:hob: raw
(bootloader) partition-type:dhob: raw
(bootloader) partition-type:fsg: raw
(bootloader) partition-type:fsc: raw
(bootloader) partition-type:cid: raw
(bootloader) partition-type:metadata: raw
(bootloader) partition-type:logo: raw
(bootloader) partition-type:clogo: raw
(bootloader) partition-type:persist: raw
(bootloader) partition-type:kpan: raw
(bootloader) partition-type:boot: raw
(bootloader) partition-type:recovery: raw
(bootloader) partition-type:ssd: raw
(bootloader) partition-type:padC: raw
(bootloader) partition-type:sp: raw
(bootloader) partition-type:keystore: raw
(bootloader) partition-type:customize: raw
(bootloader) partition-type:oem: raw
(bootloader) partition-type:carrier: ext4
(bootloader) partition-type:cache: raw
(bootloader) partition-type:system: raw
(bootloader) partition-type:userdata: raw
(bootloader) partition-size:modem: 0x00000000027e0000
(bootloader) partition-size:sbl1: 0x0000000000080000
(bootloader) partition-size:DDR: 0x0000000000020000
(bootloader) partition-size:aboot: 0x0000000000113000
(bootloader) partition-size:rpm: 0x000000000003e800
(bootloader) partition-size:tz: 0x000000000008c000
(bootloader) partition-size:hyp: 0x0000000000020000
(bootloader) partition-size:utags: 0x0000000000080000
(bootloader) partition-size:misc: 0x0000000000080000
(bootloader) partition-size:padA: 0x000000000036f000
(bootloader) partition-size:abootBackup: 0x0000000000113000
(bootloader) partition-size:rpmBackup: 0x000000000003e800
(bootloader) partition-size:tzBackup: 0x000000000008c000
(bootloader) partition-size:hypBackup: 0x0000000000020000
(bootloader) partition-size:utagsBackup: 0x0000000000080000
(bootloader) partition-size:logs: 0x0000000000200000
(bootloader) partition-size:frp: 0x0000000000080000
(bootloader) partition-size:padB: 0x000000000022f000
(bootloader) partition-size:modemst1: 0x0000000000180000
(bootloader) partition-size:modemst2: 0x0000000000180000
(bootloader) partition-size:hob: 0x000000000007a000
(bootloader) partition-size:dhob: 0x0000000000008000
(bootloader) partition-size:fsg: 0x0000000000180000
(bootloader) partition-size:fsc: 0x0000000000000400
(bootloader) partition-size:cid: 0x0000000000020000
(bootloader) partition-size:metadata: 0x0000000000080000
(bootloader) partition-size:logo: 0x0000000000600000
(bootloader) partition-size:clogo: 0x0000000000600000
(bootloader) partition-size:persist: 0x0000000000800000
(bootloader) partition-size:kpan: 0x0000000000800000
(bootloader) partition-size:boot: 0x0000000002000000
(bootloader) partition-size:recovery: 0x0000000001ffc000
(bootloader) partition-size:ssd: 0x0000000000002000
(bootloader) partition-size:padC: 0x000000000061e000
(bootloader) partition-size:sp: 0x0000000000800000
(bootloader) partition-size:keystore: 0x0000000000800000
(bootloader) partition-size:customize: 0x0000000002000000
(bootloader) partition-size:oem: 0x0000000001000000
(bootloader) partition-size:carrier: 0x0000000001000000
(bootloader) partition-size:cache: 0x0000000030000000
(bootloader) partition-size:system: 0x00000000aa000000
(bootloader) partition-size:userdata: 0x00000002b8de0000
(bootloader) qe: qe 0/0
(bootloader) frp-state: protected (77)
(bootloader) ro.carrier: reteu
all: listed above
finished. total time: 0.718s