hi,
We have some products that have been sold out(hardware:52832,software:sdk13,softdevice:s132_4.0.3).I want to upgrade their sdk to 15.3 through DFU.I learned in the official documentation that the bootloader and softdevice need to be upgraded first.I made an upgrade package referring to an answer here(https://devzone.nordicsemi.com/f/nordic-q-a/64598/update-softdevice-via-dfu), but it failed (error 0x16). Where can I get more detailed instructions
Thanks a lot,Choi
