Experiencing/Programming arduino UNO another way with USBasp, ICSP, bootloader, AVRISPmk2, settings

Original arduino uno has more options.

Videos about ISCP/USBasp stuf:
normal usb-connection did not worked anymore well/did not upload, so i needed to download make a little trick to get everything back to normal. THIS VIDEO HELPED ME:
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Arduino software download:

So uploading with USBasp and using ICSP-port works, but getting board back to normal state is another situation . So use think twice before doing this kind of experiments.

What we learn today:
What's a bootloader?
Microcontrollers are usually programmed through a programmer unless you have a piece of firmware in your microcontroller that allows installing new firmware without the need of an external programmer. This is called a bootloader.

[skd]

Hey buddy can get a help to update my firmware of the 16u2 chip as it is not going in DFU mode idk why someone suggest to update the firmware but why and how .. do you have a solution actually I was trying to use Uno joy on my Uno