Once you have the firmware file (typically a .bin or .tar for clusters), you can update your hardware using several methods:
Be very careful if you find the firmware on generic file-sharing sites or forums. Using an altered firmware file is a major security risk. Always verify the checksum of the file against the official HPE release notes if possible. Since the official download is free (requiring only a simple registration), there is rarely a good reason to use a sketchy mirror link. aruba iap 207 firmware free