Modify 51822 UUIDhttps://devzone.nordicsemi.com/f/nordic-q-a/2653/modify-51822-uuidS110 define UUID rule as below, it just can modify one word. Services UUID = 0x49535343-FE7D-4AE5-8FA9-9FAFD2-5E455 Characteristics UUID= 0x49530001-FE7D-4AE5-8FA9-9FAFD2-5E455 0x49530002-FE7D-4AE5-8FA9-9FAFD2-5E455 0x49530003-FE7D-4AE5-8FA9-9FAFD2en-USTelligent Community 13Wed, 04 Jun 2014 17:46:34 GMTRE: Modify 51822 UUIDhttps://devzone.nordicsemi.com/thread/10449?ContentTypeID=1Wed, 04 Jun 2014 17:46:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d6b0960d-a3d3-4278-875a-dbd2daecaad6Petter Myhre<p>I&#39;m sorry, I don&#39;t understand your question. Could you please edit it to be more understandable? Thank you.</p><div style="clear:both;"></div>