利用漏洞获取临时root权限，再永久root
仅限于低版本安卓
mtk easy su对应的magisk版本为8.0.7
adb push mtk-su /data/local/tmp/ adb shell cd /data/local/tmp chmod 755 mtk-su ./mtk-su mount -o remount,rw /system cp /data/local/tmp/mtk-su /system/bin/su dd if=/dev/block/bootdevice/by-name/boot of=/sdcard/boot.img dd if=/dev/block/bootdevice/by-name/recovery of=/sdcard/recovery.img