Xperia X WLAN sharing not working [answered]

I've written a little script that you can put in /home/nemo to toggle wlan-sharing ON/OFF.

#!/bin/bash

if [ "$EUID" -ne 0 ]
  then echo "Please run as root (type devel-su first)"
  exit 1
fi

if [[ $1 == "off" ]]; then
  echo "Best way to turn off hotspot at the moment is restarting your device..."
  exit 0
elif [[ $1 == "on" ]]; then
  echo "Switch Tethering ON.."
  echo 2 > /sys/module/bcmdhd/parameters/op_mode
  sleep 1
  echo "Now restart WLAN from UI (\"Settings > WLAN\") and enable hotspot (\"Settings > Internet sharing\")"
  read -p "Done with the instruction above? Then press [Enter] to continue..."
  ip link set dev wlan0 master tether
  sleep 1
  echo "Enjoy tethering on your Xperia X!;)"
  exit 0
else
  echo "USAGE: $0 <on><off>"
  exit 1
fi

USB Tethering works well without any issues (on xperia X too) see here - https://together.jolla.com/question/3798/usb-tethering/

excuse me all, How can I do to copy this script in my Xperia? In a .txt file? and what shall I name this file? Thanks from a very beginner.

This method doesn't work with Sony Xperia XA2, it doesn't have /sys/module/bcmdhd. It has something under /sys/module/wlan, but no op_mode there.