https://devzone.nordicsemi.com/f/nordic-q-a/28507/how-to-use-uuidHello, I am using nrf 52832 and sdk 14.0.0. and i am using &quot;ble_app_uart&quot;. I am developing an iOS application. Its purpose is character transfer. I want to transfer characters from nRF52 to iphone. The nRF52 had prepared three UUIDs. It wasen-USTelligent Community 13Thu, 30 Nov 2017 07:09:29 GMThttps://devzone.nordicsemi.com/thread/112815?ContentTypeID=1Thu, 30 Nov 2017 07:09:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:79d741be-8b8d-49a7-803b-e1e47e39a702Hayata<p>Thank you so much Mr. Petter Myhre. Your advice has become very helpful.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/112816?ContentTypeID=1Thu, 30 Nov 2017 03:05:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ea3e853d-10b8-4273-928d-86d0e005cfbdNY<p>Thank you for your reply.I will refer to it. regards.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/112814?ContentTypeID=1Wed, 29 Nov 2017 10:26:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f0ddafe8-8e20-4927-a58f-ff374eec2ba1Petter Myhre<p>How you use them on the iOS side? Maybe the UART app in nRF Toolbox for iOS can be a good starting point? You can find the source code <a href="https://github.com/NordicSemiconductor/IOS-nRF-Toolbox">here</a>.</p><div style="clear:both;"></div>