When buying a used switch on ebay, how do I get updates?

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<p>I also bought a used switch last year and found instructions on how to make all updates on YouTube. To be honest, I prefer to buy new products so that there are no problems with them. But sometimes I have a limited budget for purchases, so I buy used ones. Recently I found an opportunity to buy new products at a good price using promo codes, you can find them on <a href="https://www.dontpayfull.com">dontpayfull.com</a>. So, I've never cut coupons out of magazines (it reminds me of Kevin from the movie Home Alone, who knows what I'm talking about?), but this time I decided to try whether free online coupons work for Amazon and eBay. I made sure that it works and when I need to buy something, I try to look for a discount coupon for the product. I wonder, do you use coupons?</p>