Changes

Check that gpio137 gpio138 is in user space:

export gpio137 gpio138 gpio140 gpio139 gpio157 gpio170 gpio64 gpiochip160 gpio64 gpiochip64gpio126 gpiochip0 gpio138 gpiochip128 gpio141 gpiochip160 gpio167 gpiochip0 gpiochip192 gpiochip32 gpiochip96gpio136 gpio139 gpio156 gpiochip64 gpio170 gpiochip96 gpiochip128 gpiochip32 unexport

If you don't have it, you should export gpio137gpio138: <br> <pre>echo 137 138 &gt; /sys/class/gpio/export </pre> Set gpio137 gpio138 to low value to disable bluetooth: <pre>echo 0 &gt; /sys/class/gpio/gpio137gpio138/value</pre>

<pre>root@localhost:/sys/class/gpio# cat /sys/class/gpio/gpio137gpio138/value