# Terminal SDK V4 migration guide

Learn how to migrate to version 4.0.0 of the Stripe Terminal SDK.

## Index

This article has multiple variants. Fetch one of the following URLs to view specific content for your use case:

- [iOS](https://docs.stripe.com/terminal/references/sdk-v4-migration-guide.md?terminal-sdk-platform=ios)
- [Android](https://docs.stripe.com/terminal/references/sdk-v4-migration-guide.md?terminal-sdk-platform=android)