I'm in a similar situation, and I've also scoured the internet for answers. Nothing seems concrete (there is a definite lack of info on this topic), but in your best interest, I would suggest cancelling the visa just in case. Check out this link: https://www.gov.uk/cancel-visa. It does say that you ...
Two years ago, I applied and received the YMS Tier 5 visa, but due to personal reasons, didn't end up moving to the UK. The UK gov.uk website says you cannot apply to the visa if you have "already been in the UK under the scheme or in the former ‘working holidaymaker’ category". I visited the UK for...
