SDK11 bootloader

[summer]

hi everyone.I have a question about the bootloader SDK11.0 ,I download the bootloader engineering modified to nrf51822 board, the nrf51822 can be advertising, but when I upgrade using nrf toolbox prompt upgrade failure?Why is this?Let me put my project, bother everybody to help, thank you very much..nRF5_SDK_11.0.0_89a8197.zip

[Hung Bui]

@summer: You need to provide some more information on:

• The log you have when you update with Toolbox, try to find it using the nRFLogger app.

• Which guide did you follow ?

• Which application firmware did you use , how did you generate the .zip DFU package.

• Have you tried the example .zip provided with the nRFToolbox app (inside NordicSemiconductor folder) ?

[summer]

ok,thank you very much.I have find the problem and has solved the problem.I was mistaken about the address of the package that upgrade is not successful.