A: ICERIVER doesn't deliver any firmware to update KS3L to KS3M. Moreover, we strongly recommend against utilizing third-occasion firmware or Handle boards that assure to enhance the hash charge. A: You can Test the remaining guarantee time period for your personal device on our official Web site. The url is: https://iceriver-ks366216.tribunablog.com/this-article-is-under-review-42032748