https://devzone.nordicsemi.com/f/nordic-q-a/34657/it-is-possible-to-use-thingy-52-firmware-on-nrf52832-custom-boardi made custom board refer to thingy 52 Circuit all fuction circuit is same so i want to use thingy 52 firmware when i was erase all memory nrf52832 and upload thingy_v2.1.0.HW_1.0 file by use nrf52840-dk and nrfgo studio after upload file i didnten-USTelligent Community 13Fri, 25 May 2018 14:59:09 GMThttps://devzone.nordicsemi.com/thread/133473?ContentTypeID=1Fri, 25 May 2018 14:59:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d2120d3f-6ca8-41e0-af11-28cdacc62bf0Mttrinh<p>Hi,</p> <p>Can you check what you get on RTT?(RTT is disabled on the release target, so you have to compile and flash debug first)</p> <p>Be sure to compile for V1.0.0 in Keil.</p><div style="clear:both;"></div>