$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install Broadcom BCM2070a0 Firmware on Gnu/Linux Distros

GNU/Linux Installing Broadcom BCM2070a0 Firmware Guide

How to Install Broadcom BCM2070a0 Bluetooth Firmware on GNU/Linux Systems.

And Broadcom BCM2070a0 Firmware for Linux is the Proprietary Blob needed to enable the Bluetooth Device.

The BCM2070a0 Devices are supported by the btbcm Kernel Module on Linux 4.15+.

But what may be easily missing is the needed Proprietary Firmware.

In any case to get the possible Newest Patches, Fixes, and Improvements you are strongly Recommended to Update System & Kernel.

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GNU/Linux Broadcom BCM2070a0 Bluetooth Firmware Installation Guides