1. Try deleting your cookies. Please note that this will clear your shopping bag. On most mobile internet browsers you can delete your cookies via a 'Privacy' feature in your 'Settings' or using a 'Clear History' option.
2. Once you've cleared your cookies, close your browser, reopen it and visit our site again. You should be able to use it without any more problems.
3. We also suggest that you use the latest version of your operating system e.g. iOS, Android etc.
4. If you are still having problems, please contact our customer support with as many details as you can about the issue, your device and browser, and what steps you have taken so far to try to resolve the issue.