No, you will need a UK registered mobile and need to be in the UK to access the site. Competitions are open to UK residents within the UK only. For the avoidance of doubt, the Channel Islands and The Isle of Man are not part of the United Kingdom for these purposes. Access to the winon5.com site is only supported within the UK.
Can I enter if I am visiting a country outside of the United Kingdom?
No, access to winon5.com is not supported outside of the UK.