TFTP Tools

TFTP is the most commonly used transfer protocol for router unbricking. Below are recommended tools for each platform.

TFTP server designed specifically for macOS, simple interface, one-click start.

Download: https://apps.apple.com/app/id6758904382

Features:

1. Native macOS app
2. Simple interface, one-click start
3. Auto-detect network adapters
4. Supports IPv6

Usage Steps:

1. Download and open the app
2. Select folder containing firmware
3. Click “Start Server”
4. Start TFTP unbricking

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macOS has built-in TFTP service (command line).

Start service:

sudo launchctl load -w /System/Library/LaunchDaemons/tftp.plist

Usage:

# Put firmware in /private/tftpboot/

# Download firmware from router
tftp 192.168.1.1
tftp> get firmware.bin
tftp> quit

# Upload firmware to router
tftp 192.168.1.1
tftp> put firmware.bin
tftp> quit

Free, lightweight TFTP server.

Download: https://ttfpd64.com/

Features:

1. Completely free
2. Simple interface
3. Single file, no installation needed
4. Supports IPv6

Usage:

1. Download and run directly
2. Set firmware directory
3. Select correct network interface
4. Click “Server” to start listening

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Suitable for flashing img image files.

Download: https://sourceforge.net/projects/win32diskimager/

Use cases:

1. Raspberry Pi images
2. Software router images
3. USB boot disk creation

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Enhanced PuTTY with TFTP support.

Download: https://www.solarwinds.com/free-tools/solar-putty

Features:

1. Tabbed interface
2. Built-in TFTP client
3. Free to use

Command line TFTP server.

Install:

# Ubuntu/Debian
sudo apt install atftp

# CentOS/RHEL
sudo yum install atftp

Usage:

# Start TFTP server
sudo atftpd --daemon --port 69 /tftpboot

# Put firmware in /tftpboot/

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Linux has built-in TFTP client.

# Install
sudo apt install tftp

# Usage
tftp 192.168.1.1
tftp> get firmware.bin
tftp> quit