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How to solve 400badrequest

Solutions to 400badrequest: 1. Check the syntax of the request; 2. Check the request header; 3. Check the URL; 4. Check the server; 5. Use a proxy; 6. Update the software; 7. Check the network connection; 8. Restart the device; 9. Contact technical support. This topic provides you with relevant articles, downloads, and course content for you to download and experience for free.