https://devzone.nordicsemi.com/f/nordic-q-a/18803/how-to-change-16-bit-uuid-to-128-bit-uuidHello, I am using nrf52 and sdk 12. I compiled the code bootloader_secure from the examples in sdk. Now I want to change the 16 bit uuid to 128 bit uuid in the code. The code chunk of 16 bit uuid is uint32_t err_code; uint16_t len_advdata = 9; en-USTelligent Community 13Fri, 06 Jan 2017 09:03:29 GMThttps://devzone.nordicsemi.com/thread/72612?ContentTypeID=1Fri, 06 Jan 2017 09:03:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:879d0c20-2173-4e6d-908d-807404209906Petter Myhre<p>What is the problem? You need to encode the advertising data as above, specifiy the length, the type and the 16 byte UUID.</p><div style="clear:both;"></div>