> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.kurosim.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# What happens to my unused data when the validity period expires?

Unused data plans will expire and can no longer be used, but you can top up the data plan on your eSIM to continue using it.