only update bootloader

[james]

Hi,I'am try to update the bootloader. But it stop at 1%. I don't what I miss.

james_boot.hex

james_bootloader.zip

Log 2016-09-06 11_36_54.txt

Dfu_bootloader_via_hex.txt

Dfu_application_via_zip.txt

james_bootloader_test.hex

[james]

Hi Hung: I'm sorry.I had read the link,but I can't follow it.Where can I find the .dat file? And I can use the nrfutil.exe to change the bootloader.hex into Zip file? I use the C:\Program Files\Nordic Semiconductor\Master Control Panel\3.8.0.7\nrf to change the application.hex into Zip.