Proving your claim for faulty goods
If your claim under the Sale of Goods Act ends up in court, you may have to prove that the fault was present when you bought the item and not, for example, something which was the result of normal wear and tear.
If your claim is about a problem that arises within six months of buying the product, it's up to the retailer to prove that the goods were of satisfactory quality, fit for purpose, or as described when it sold them.
For example, by showing that the problem was caused by an external factor such as accidental damage.