https://devzone.nordicsemi.com/f/nordic-q-a/7294/data-not-recieved-by-iosI am using pca10001, SDK6, SD7.1. In my application i want to send a large amount of data to central(ios). So im sending data as a packet of 19 bytes and each packet with a delay of 1sec. When i tested with Master Control Panel it was working anden-USTelligent Community 13Thu, 28 May 2015 14:40:43 GMThttps://devzone.nordicsemi.com/thread/25784?ContentTypeID=1Thu, 28 May 2015 14:40:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:69143e06-03ac-4823-9c4c-73065a590e7aHung Bui<p>@pramithkv: How did you tested ?There should be no packet lost in BLE. The un-received packet is retranmitted until timeout. Coudl you provide a sniffer trace ?</p> <p>You can test with our example in the SDK, for example modifying the battery notification to 20ms instead of 2s. And see how it&#39;s updated.</p><div style="clear:both;"></div>