IS mass firmware up-gradation via ble ota possible?

Question

Hello,
I want to upgrade all my ble devices (15000 beacons ) at the same time using OTA dfu. Is that possible?
If yes how can I do that?
Thanks,

bjorn-spockeli · Accepted Answer

It is definitly possible to implement this and Nordic's implementation of the Bluetooth Mesh includes a proprietary mesh DFU feature that allows you to perform mass firmware updates. 
 The firmware update packets are flooded across the mesh, and all devices in the network are updated at the same time. 
 You can find the source code for the Mesh Bootloader in the nRF5 SDK for Bluetooth Mesh, see this page for more information.

IS mass firmware up-gradation via ble ota possible?

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