Hi @Mahmoud Mariee !
As per QuickSpecs https://h20195.www2.hpe.com/v2/getdocument.aspx?docname=a00004551enw your switch has Limited Lifetime Warranty. More information about warranty terms you can find here - https://www.arubanetworks.com/support-services/%20product-warranties/
For your product following terms apply:
3. Warranty phone and/or electronic case technical support is provided during local HPE business hours for the purposes of initiating warranty hardware replacement (break fix; diagnosing hardware) or software defects only for the duration of the warranty period. Software configuration assistance requires a services contract. See the Quick Reference document for SKU level warranty coverage. Extended coverage services are available.
5. For products purchased after December 1, 2014, the warranty extends only for as long as the original end user owns the product. Includes coverage of any built-in fans and power supplies for the entire warranty period. You may be required to provide proof of purchase or lease as a condition of receiving warranty service.