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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Using BLE indication, Warning of &amp;quot;Device is not subscribed to characteristic&amp;quot; appears</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/123571/using-ble-indication-warning-of-device-is-not-subscribed-to-characteristic-appears</link><description>Hello, 
 With reference to BLE Fundamentals Lesson 4, I am try to modify my existing BLE code to add indication support. 
 After adding the codes, I can see the &amp;quot;Read and indicate&amp;quot; appears in nRF connect mobile app. I can press the &amp;quot;indicate&amp;quot; button on</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Fri, 08 Aug 2025 13:02:14 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/123571/using-ble-indication-warning-of-device-is-not-subscribed-to-characteristic-appears" /><item><title>RE: Using BLE indication, Warning of "Device is not subscribed to characteristic" appears</title><link>https://devzone.nordicsemi.com/thread/545065?ContentTypeID=1</link><pubDate>Fri, 08 Aug 2025 13:02:14 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:746eea6b-8599-4e26-8d04-9f105871072a</guid><dc:creator>Hung Bui</dc:creator><description>&lt;p&gt;Hi Keith,&amp;nbsp;&lt;br /&gt;Could you clarify if you see the problem with the solution sample we provided in the Academy ?&amp;nbsp;&lt;br /&gt;You may want to double check if&amp;nbsp;&lt;span&gt;bt_gatt_indicate() is called with the correct characteristic and correct connection to send indication.&amp;nbsp;&lt;/span&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>