The Redmi 12 Pro is a powerful Android device, and many users prefer to install Linux distributions on it for various reasons, such as improved performance, customization, and security. One common issue that arises when using a Linux distribution on the Redmi 12 Pro is the inability to recognize the Alfa AWUS036NH Wi-Fi adapter with the RTL8812AU chipset. In this article, we will discuss how to troubleshoot this issue using iwconfig.
Prerequisites
Before we dive into the troubleshooting steps, ensure that you have met the following requirements:
- A Redmi 12 Pro device with Linux installed.
- A rooted Redmi 12 Pro device.
- An Alfa AWUS036NH Wi-Fi adapter with RTL8812AU chipset.
Identifying the Issue
When you try to use the iwconfig command to configure the Wi-Fi adapter, you might encounter an error message stating that the adapter is not recognized:
iwconfig
wlan0: error fetching signal: No such device
Installing the Necessary Drivers
The first step to resolving this issue is to install the necessary drivers for the Alfa AWUS036NH Wi-Fi adapter with RTL8812AU chipset. You can install the drivers using the following steps:
- Open a terminal window on your Linux distribution.
- Type the following command to add the necessary repository:
- Press Enter to continue.
- Type the following command to update the package index:
- Type the following command to install the drivers:
- Press Enter to continue.
sudo add-apt-repository ppa:hanipouspiliotis/rtlwifi
sudo apt-get update
sudo apt-get install rtl8812au-dkms
Loading the Driver Module
After installing the drivers, you need to load the driver module using the following command:
sudo modprobe rtl8812au
Configuring the Wi-Fi Adapter
Once the driver module is loaded, you can configure the Wi-Fi adapter using the iwconfig command:
iwconfig wlan0 create wlan0 type wireless essid "Your_SSID" key s:Your_Password
iwconfig wlan0 mode Managed
iwconfig wlan0 frequency 2.432
iwconfig wlan0 rtsw 1
iwconfig wlan0 power 15
iwconfig wlan0 txpower fixed 20
iwconfig wlan0 txpower 20 dBm
iwconfig wlan0 power off
iwconfig wlan0 power on
Verifying the Connection
After configuring the Wi-Fi adapter, you can verify the connection using the following command:
iwconfig wlan0 power on
iwconfig wlan0 essid "Your_SSID"
iwconfig wlan0
In this article, we discussed how to troubleshoot the iwconfig not working issue with Linux, Redmi 12 Pro, Alfa AWUS036NH, and RTL8812AU Wi-Fi adapter. We covered the prerequisites, identified the issue, installed the necessary drivers, loaded the driver module, and configured the Wi-Fi adapter. By following these steps, you should be able to connect to your Wi-Fi network using the Alfa AWUS036NH Wi-Fi adapter on your Linux distribution.