[FOV]

In order to prepare the Boot.img for Port firmware with Onyx C67ML for Boyue T62(MOD) for your device, you should:
1. Download RKwinTools and unpack
2. In the folder "_In" to put the native firmware img file to your device
3. The program RKwinTools select "30-Init Tools"
4. To disassemble the native firmware on the components of the file by selecting "1-Unpack ROM" or in the folder "Unpack\Firmware\Image\" put Boot.img from your device
5. The program RKwinTools to choose "2-Unpack Boot"
6. In the folder "Unpack\Boot\ramdisk\" to find the file "init.rc"
7. In the file to find the line:

    chown root radio /proc/cmdline
 
# Define TCP buffer sizes for various networks
#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,

8. Changed so that it became like this:

    chown root radio /proc/cmdline
 
    chmod 0777 /sys/class/backlight/rk28_bl/brightness
 
# Define TCP buffer sizes for various networks
#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,

9. To ensure that there were no white screens lock need to make changes in "init.rc", find and delete the following code:

 
service fsd /system/bin/bootanimation -shutdown -fshutdown
    class main
    user graphics
    group graphics
    disabled
    oneshot
 
 
service shutdownanim2 /system/bin/bootanimation -shutdown2
    class main
    user graphics
    group graphics
    disabled
    oneshot

10. The removal of GSM services that are not typical of the book in the init.rc:

 
service ril-daemon /system/bin/rild
    class main
    socket rild stream 660 root radio
    socket rild-debug stream 660 radio system
    user root
    group radio cache inet misc audio log
 
service ril-daemon3 /system/bin/rild3
    class main
    socket rild3 stream 660 root radio
    socket rild-debug stream 660 radio system
    user root
    group radio cache inet misc audio log

11. In order to enable ADB mode when the device boots, you need to make sure that in the file "default.prop" are present lines:

ro.secure=0
ro.allow.mock.location=1
ro.debuggable=1
persist.sys.usb.config=adb

12. The program RKwinTools select "12-Pack Boot", "2. ANDROID type", "1. Unpack dir".
13. In the folder "Pack\Firmware\Image\" will find a modified Boot.img

Good luck