Microsoft Windows [版本 10.0.22000.593](c) Microsoft Corporation。保留所有权利。C:\Users\xiaoyao>cd DesktopC:\Users\xiaoyao\Desktop>cd adbtools# 检查设备是否已连接adbC:\Users\xiaoyao\Desktop\adbtools>adb devices -l* daemon not running; starting now at tcp:5037* daemon started successfullyList of devices attachedHA1FFQQBoffline transport_id:1# offline表示识别了，但是离线状态，建议重新插拔数据线再检查C:\Users\xiaoyao\Desktop\adbtools>adb devices -lList of devices attachedHA1FFQQBdevice product:LenovoTB-J716F_PRC model:Lenovo_TB_J716F device:J716F transport_id:2# 重启设备进入bootloader# adb reboot bootloader# 【注】bootloader即bl锁的地方，有些人也会把它叫做fastboot，但实际bootloader和fastboot是两个地方C:\Users\xiaoyao\Desktop\adbtools>adb reboot bootloader# 在bootloader界面检查设备是否连接# fastboot devices -lC:\Users\xiaoyao\Desktop\adbtools>fastboot devices -lHA1FFQQBfastboot# 从联想网站获取了对应设备序列号的解锁文件sn.img，这里开始刷解锁文件# fastboot flash unlock [sn.img文件路径]C:\Users\xiaoyao\Desktop\adbtools>fastboot flash unlock "C:\Users\xiaoyao\Desktop\adbtools\padpro\sn.img"Sending 'unlock' (5 KB) OKAY [ 0.010s]Writing 'unlock'(bootloader) run fastboot oem unlock-goOKAY [ 0.002s]Finished. Total time: 0.022s# 刷入解锁文件成功后，运行该命令解锁并重启# fastboot oem unlock-go# 【注】该命令会清除用户设备数据（不会清除储存卡的）C:\Users\xiaoyao\Desktop\adbtools>fastboot oem unlock-goOKAY [ 0.021s]Finished. Total time: 0.021s# 重启进入桌面，再次检查adb是否连接C:\Users\xiaoyao\Desktop\adbtools>adb devices -lList of devices attachedHA1FFQQBdevice product:LenovoTB-J716F_PRC model:Lenovo_TB_J716F device:J716F transport_id:4# 准备root，再次进入bootloader准备刷入修补的boot.img#【注】这里采取互联网中所说的“修补root法”，意思是：# 1、首先从原厂rom中获取boot.img# 2、然后在设备安装面具App（Magisk，开源）# 3、在面具App对boot.img进行修补/打补丁，生成新的boot.img，将其传到电脑准备线刷# 4、用fastboot命令刷入新的boot.img达到root的目的C:\Users\xiaoyao\Desktop\adbtools>adb reboot bootloader# 检查设备是否在bootloader连接C:\Users\xiaoyao\Desktop\adbtools>fastboot devices -lHA1FFQQBfastboot# 刷入新的boot.imgC:\Users\xiaoyao\Desktop\adbtools>fastboot flash boot "C:\Users\xiaoyao\Desktop\adbtools\padpro\magisk_patched-24300_xHqKz.img"Sending 'boot_b' (98304 KB) FAILED (Write to device failed in SendBuffer() (no link))fastboot: error: Command failed# 【注】上面刷入boot失败了，经过分析和查找资料，发现是数据线的问题，我当时用的是网上随便买的5A充电线，发现能够传输数据，以为就是数据线，但是实际传输文件时偶尔会断流，初时以为是电脑USB口供电不足的问题，经过此次刷boot发现这数据线功能不全，于是更换平板的原装数据线再试C:\Users\xiaoyao\Desktop\adbtools>fastboot devices -lHA1FFQQBfastboot# 使用原装数据线再试直接成功C:\Users\xiaoyao\Desktop\adbtools>fastboot flash boot "C:\Users\xiaoyao\Desktop\adbtools\padpro\magisk_patched-24300_xHqKz.img"Sending 'boot_b' (98304 KB) OKAY [ 0.238s]Writing 'boot_b'OKAY [ 0.129s]Finished. Total time: 0.651s# 重启进入系统C:\Users\xiaoyao\Desktop\adbtools>fastboot rebootRebooting OKAY [ 0.001s]Finished. Total time: 0.001sC:\Users\xiaoyao\Desktop\adbtools>
