Cleaning warranty

You can check your warranty entitlement and coverage here:

Check Your Service and Support Coverage - Apple Support

Apple devices purchased within the US may not have benefit of an International Warranty. The terms of your warranty can be found here:

Legal - iOS Warranty Document US - Apple

If you bought it from apple directly you can try by Contact - Official Apple Support for further support and reference

if you bought it from a reseller it could be a bit tricky