Flashing a boot.img (Kernel, for example) in an Android mobile phone via adb shell

script.sh

#Tested with Samsung Galaxy Note 3 (your mobile phone may have different paths and partitions!!)

#check adb connection...
adb devices

#copy the boot.img image to the mobile phone (in this case, the root of the SD Card)
adb push <path_to_your_boot.img_extracted_from_custom_rom_zip>/boot.img /external_sd/boot.img

#open shell
adb shell

#flash the image into the /boot partition
```bash
dd if=/external_sd/ROMS/boot.img of=/dev/block/platform/msm_sdcc.1/by-name/boot
```bash

#Clean Cache and Dalvik Cache, Reboot into System!