Arduino Uno R3, atmega16u2 not able to activate DFU mode [SOLVED] - Installation & Troubleshooting - Arduino Forum
How to Flash Arduino Bootloader without a Programmer – Welldone Blog
Who's using clone arduino here ? Did you successfully boot in pwned dfu ? Or you can't try it because you can't upload the code just to if you are upload the
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How to Flash Arduino Bootloader without a Programmer – Welldone Blog
Put Arduino in DFU mode (no RST pin) - Arduino Stack Exchange
DFU mode on Arduino Uno and Mega R3 Clone - Installation & Troubleshooting - Arduino Forum
Can't get Arduino Uno r3 to enter DFU mode - Microcontrollers - Arduino Forum