Android_device_unlock脚本及说明
MTK_ANDROID_Q项目 unlock
方法1：
Flash user/eng/userdebug full load and bootup to home screen
Settings -> System -> Developer options -> OEM unlocking
"adb reboot bootloader" or "press volume up key + power key and select fastboot"
fastboot flashing unlock (press volumn up key)
方法2
rebuild lk to unlock devices
goto lk (vendor/mediatek/proprietary/bootable/bootloader/lk)
add config into "project".mk (ex: project/k79v1_64_tee.mk)
MTK_BUILD_DEFAULT_UNLOCK = yes
rebuild lk 单独烧录lk (lk需同一codebase编译生成)
SPRD_ANDROID_Q项目 unlock
解锁设备
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fastboot和signidentifier_unlockbootloader.sh赋予读写权限
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手机开发者选项打开OEM和userdebug
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adb reboot bootloader 进入fastboot模式
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sudo ./fastboot oem get_identifier_token 获得一串数字，如3139303135323634353530353232
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./signidentifier_unlockbootloader.sh 4a414a4e31393335303030353932 rsa4096_vbmeta.pem sign.bin
如果失败，尝试替换本地目录下rsa4096_vbmeta.pem和signidentifier_unlockbootloader.sh文件/home/android/work/v800fr/vendor/sprd/proprietories-source/packimage_scripts/signimage/sprd/config/rsa4096_vbmeta.pem/home/android/work/v800fr/vendor/sprd/proprietories-source/packimage_scripts/signidentifier_unlockbootloader.sh -
sudo ./fastboot flashing unlock_bootloader sign.bin
刷google镜刷机工具刷镜像
跑cts-on-gsi只需要GSI（如果fastboot和手机中不匹配，就用out目录下的fastboot）
命令行刷镜像
- adb reboot bootloader
- sudo ./fastboot reboot bootloader
- sudo ./fastboot -S 20M flash system system.img
- sudo ./fastboot reboot bootloader
- sudo ./fastboot flashing lock(上锁)
- sudo ./fastboot reboot;(手机会自动清楚数据，开机)
刷机工具刷镜像
用ResearchDownload_R19.17.4301刷机工具,在main 设置中只选system和vbmeta分区, system分区选对应的google_system.img ,VBMETA分区选项目软件包中vbmeta-gsi.img, 这个可以用out目录下的vbmeta-gsi.img
HMD设项目unlock
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adb reboot bootloader
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fastboot flash unlock 0191022102822.bin （HMD的私钥对设备sn的签名.由HMD给出）
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按音量键选择解锁, 然后按Power确认执行解锁.
解锁需求 1、将sn2发给HMD,拿到新的签名执行解锁; 2、将sn2写为0191022102822,然后可以用 0191022102822.bin 执行解锁操作; (vendor/tinno/$project/trunk/0191022102822.bin)
