A: ICERIVER will not deliver any firmware to up grade KS3L to KS3M. On top of that, we strongly recommend against making use of third-celebration firmware or Command boards that promise to increase the hash level. IceRiver KAS KS3M mines the kHeavyHash algorithm which has a most hashrate of 6000GH/s https://iceriver-ks586420.liberty-blog.com/27829695/manual-article-review-is-required-for-this-article