Script to enable USB 2.0 compatibility mode for POCO F1 and other xiaomi phones in fastboot mode

beryllium_usb2.sh

#!/bin/bash
#
# Script to install or uninstall USB 2.0 compatibility mode for Xiaomi devices
#
# Usage: ./script.sh [install|uninstall]
#

# Function to install the USB 2.0 compatibility mode
install_usb_compatibility() {
    # Read USB details from lsusb
    usb_details=$(lsusb | grep "Xiaomi")

    # Check if lsusb output contains Xiaomi device information
    if [[ -n "$usb_details" ]]; then
        # Extract vendor ID and product ID
        vendor_id=$(echo "$usb_details" | awk '{print $6}' | cut -d ':' -f 1)
        product_id=$(echo "$usb_details" | awk '{print $6}' | cut -d ':' -f 2)

        # Define the content with a comment
        content="# USB 2.0 compatibility mode for Xiaomi device"
        content+="\noptions usbcore quirks=0x$vendor_id:0x$product_id:0x20000000"

        # Define the file path
        conf_file="/etc/modprobe.d/usb-quirks.conf"

        # Check if the conf file exists and has the same content
        if [[ -f "$conf_file" ]] && grep -Fxqf <(echo -e "$content") "$conf_file"; then
            echo "USB 2.0 compatibility mode is already enabled for Xiaomi device."
            exit 0
        fi

        # Append the USB device configuration line to the file
        echo -e "$content" | sudo tee -a "$conf_file" >/dev/null
        sudo update-initramfs -u

        echo "USB 2.0 compatibility mode enabled for Xiaomi device."
        echo "Please reboot your computer for the changes to take effect."
    else
        echo "No Xiaomi device found in lsusb output. Exiting."
        echo "Install the latest Android Platform Tools if not already installed."
    fi
}

# Function to uninstall the USB 2.0 compatibility mode
uninstall_usb_compatibility() {
    # Define the file path
    conf_file="/etc/modprobe.d/usb-quirks.conf"

    # Check if the conf file exists and remove the comment and the line below it
    if [[ -f "$conf_file" ]]; then
        sudo sed -i '/^# USB 2.0 compatibility mode for Xiaomi device$/,/^options usbcore quirks=.*$/d' "$conf_file"
        sudo update-initramfs -u

        echo "USB 2.0 compatibility mode disabled for Xiaomi device."
        echo "Please reboot your computer for the changes to take effect."
    else
        echo "USB 2.0 compatibility mode is not enabled for Xiaomi device."
    fi
}

# Check if any arguments were passed
if [[ $# -eq 0 ]]; then
    echo "Usage: $0 [install|uninstall]"
    exit 1
fi

# Process the arguments
case $1 in
install)
    install_usb_compatibility
    ;;
uninstall)
    uninstall_usb_compatibility
    ;;
*)
    echo "Invalid argument. Usage: $0 [install|uninstall]"
    exit 1
    ;;
esac