# Flashing the device
To flash `merged_<device>.hex`, you need a debugger and probably know how to do it.

DAPlink with openocd or pyocd works.

# Flashing `bin/zephyr.signed.hex`
You need `NRFconnect` and install `Programmer` inside NRFconnect app.
## 1. Choose the MCUboot device.
![image](pics/1.open_device.png)

## 2. Open the signed hex file
![image](pics/2.open_file.png)

## 3. Write the file to device
![image](pics/3.write_file.png)

## 4. Success!
![image](pics/4.done.png)