fix wifi slow when connect bluethooth

wifi-bluethooth.md

cd /etc/modprobe.d/
sudo cp iwlwifi.conf iwlwifi.conf.bak
sudo vi iwlwifi.conf
# add this line without #
# options iwlwifi bt_coex_active=0 swcrypto=1 11n_disable=8
# and save
sudo reboot

source: https://wiki.debian.org/iwlwifi

• history

 1856  cat /etc/modprobe.d/iwlwifi.conf
 1869  cd modprobe.d
 1875  sudo modprobe -r rtl8723de
 1876  sudo lsmod
 1877  sudo lsmod | less
 1878  sudo modprobe rtw88_8723de ant_sel=2
 1879  sudo modprobe -r rtw88_8723de
 1880  sudo modprobe rtw88_8723de ant_sel=1
 1886  modinfo
 1887  sudo modprobe rtl8723be ant_sel=1
 1889  sudo modprobe -r rtl8723be
 1890  sudo modprobe rtl8723be ant_sel=2
 1892  modinfo rtl8723de
 1919  modinfo rtl8723be