A tool to flash and erase nRF devices
- J-Link programmer or J-Link OB microcontroller (on-board)
- Segger's JLink software (
V4.80)
Currently, only the nRF51822 chip is supported.
To flash new firmware:
$ nrftool flash FIRMWARE ADDRESS [--verbose]
To erase current firmware:
$ nrftool erase [--verbose]
If JLinkExe can't be found in your PATH, it can be specified using --jlinkexe option:
$ nrftool --jlinkexe path/to/your/JLinkExe erase