BNTV450_bl_unlock

bash-3.2#
bash-3.2#
bash-3.2# adb reboot bootloader
bash-3.2#
bash-3.2#
bash-3.2# fastboot getvar product
product: ST16C7BNN
finished. total time: 0.002s
bash-3.2#
bash-3.2#
bash-3.2# fastboot getvar all
(bootloader) 	max-download-size: 0x8000000
(bootloader) 	partition-size:frp: 100000
(bootloader) 	partition-type:frp: raw data
(bootloader) 	partition-size:userdata: 32000000
(bootloader) 	partition-type:userdata: ext4
(bootloader) 	partition-size:cache: 1a800000
(bootloader) 	partition-type:cache: ext4
(bootloader) 	partition-size:system: d0000000
(bootloader) 	partition-type:system: ext4
(bootloader) 	partition-size:metadata: 2360000
(bootloader) 	partition-type:metadata: raw data
(bootloader) 	partition-size:tee2: 500000
(bootloader) 	partition-type:tee2: raw data
(bootloader) 	partition-size:tee1: 500000
(bootloader) 	partition-type:tee1: raw data
(bootloader) 	partition-size:expdb: a00000
(bootloader) 	partition-type:expdb: raw data
(bootloader) 	partition-size:logo: 800000
(bootloader) 	partition-type:logo: raw data
(bootloader) 	partition-size:para: 80000
(bootloader) 	partition-type:para: raw data
(bootloader) 	partition-size:secro: 600000
(bootloader) 	partition-type:secro: ext4
(bootloader) 	partition-size:recovery: 1000000
(bootloader) 	partition-type:recovery: raw data
(bootloader) 	partition-size:boot: 1000000
(bootloader) 	partition-type:boot: raw data
(bootloader) 	partition-size:lk: 60000
(bootloader) 	partition-type:lk: raw data
(bootloader) 	partition-size:seccfg: 40000
(bootloader) 	partition-type:seccfg: raw data
(bootloader) 	partition-size:protect2: a00000
(bootloader) 	partition-type:protect2: ext4
(bootloader) 	partition-size:protect1: a00000
(bootloader) 	partition-type:protect1: ext4
(bootloader) 	partition-size:nvram: 500000
(bootloader) 	partition-type:nvram: raw data
(bootloader) 	partition-size:proinfo: 300000
(bootloader) 	partition-type:proinfo: raw data
(bootloader) 	partition-size:preloader: 40000
(bootloader) 	partition-type:preloader: raw data
(bootloader) 	off-mode-charge: 1
(bootloader) 	warranty: yes
(bootloader) 	unlocked: no
(bootloader) 	secure: yes
(bootloader) 	kernel: lk
(bootloader) 	product: ST16C7BNN
(bootloader) 	version-preloader: 0.1.00
(bootloader) 	version: 0.5
all: Done!!
finished. total time: 0.008s
bash-3.2#
bash-3.2#
bash-3.2# fastboot flashing unlock
...
(bootloader) Start unlock flow

OKAY [ 89.906s]
finished. total time: 89.906s
bash-3.2#
bash-3.2#
bash-3.2# fastboot getvar all
(bootloader) 	max-download-size: 0x8000000
(bootloader) 	partition-size:frp: 100000
(bootloader) 	partition-type:frp: raw data
(bootloader) 	partition-size:userdata: 32000000
(bootloader) 	partition-type:userdata: ext4
(bootloader) 	partition-size:cache: 1a800000
(bootloader) 	partition-type:cache: ext4
(bootloader) 	partition-size:system: d0000000
(bootloader) 	partition-type:system: ext4
(bootloader) 	partition-size:metadata: 2360000
(bootloader) 	partition-type:metadata: raw data
(bootloader) 	partition-size:tee2: 500000
(bootloader) 	partition-type:tee2: raw data
(bootloader) 	partition-size:tee1: 500000
(bootloader) 	partition-type:tee1: raw data
(bootloader) 	partition-size:expdb: a00000
(bootloader) 	partition-type:expdb: raw data
(bootloader) 	partition-size:logo: 800000
(bootloader) 	partition-type:logo: raw data
(bootloader) 	partition-size:para: 80000
(bootloader) 	partition-type:para: raw data
(bootloader) 	partition-size:secro: 600000
(bootloader) 	partition-type:secro: ext4
(bootloader) 	partition-size:recovery: 1000000
(bootloader) 	partition-type:recovery: raw data
(bootloader) 	partition-size:boot: 1000000
(bootloader) 	partition-type:boot: raw data
(bootloader) 	partition-size:lk: 60000
(bootloader) 	partition-type:lk: raw data
(bootloader) 	partition-size:seccfg: 40000
(bootloader) 	partition-type:seccfg: raw data
(bootloader) 	partition-size:protect2: a00000
(bootloader) 	partition-type:protect2: ext4
(bootloader) 	partition-size:protect1: a00000
(bootloader) 	partition-type:protect1: ext4
(bootloader) 	partition-size:nvram: 500000
(bootloader) 	partition-type:nvram: raw data
(bootloader) 	partition-size:proinfo: 300000
(bootloader) 	partition-type:proinfo: raw data
(bootloader) 	partition-size:preloader: 40000
(bootloader) 	partition-type:preloader: raw data
(bootloader) 	off-mode-charge: 1
(bootloader) 	warranty: no
(bootloader) 	unlocked: yes
(bootloader) 	secure: no
(bootloader) 	kernel: lk
(bootloader) 	product: ST16C7BNN
(bootloader) 	version-preloader: 0.1.00
(bootloader) 	version: 0.5
all: Done!!
finished. total time: 0.008s
bash-3.2#
bash-3.2#