How to switch to bootloader when OTA?

[Alice]

Hi,

I'm using nRF5_SDK_12.2.0_f012efa and s132_nrf52_3.0.0_softdevice. We want to do the OTA on it. However, I found that there is no DFU service in the HRS example.If I want to switch to the bootloader in the application like HRS example in nRF5_SDK_11, so that it can easily swith to bootloader using APP instead of using button. what example could I refer to? Could you give me some advice? Thanks.

Best regards, Alice

[Hung Bui]

Hi Alice, Please find the example in \examples\ble_peripheral\experimental_ble_app_buttonless_dfu\ instead.

Note that you would need to add the write properties as described here.

[Alice]

Hi Hung, now I have added the write properties and use nRF connect APP in IOS to write it. I can see the log information "Device is entering bootloader mode " and then reset, but it doesn't switch to the bootloader mode. Could you tell me what problem would be? Thanks.

[Hung Bui]

Have you programmed the bootloader, Alice ? Please follow the instruction on how to use the bootloader example in the documentation.

[Alice]

Yes, I have program the bootloader. Only it switch to the bootloader mode so that I can do other things. I have known how to do if it switch to bootloader mode. I test experimental_ble_app_buttonless_dfu example, I meet the same probelm that it cann't switch to the bootloader mode. I can see the log information "Device is entering bootloader mode " and then it resets.

[Hung Bui]

Hi Alice, I saw that you accepted the answer in the other case, could you confirm this case is also solved ?