A: ICERIVER would not deliver any firmware to up grade KS3L to KS3M. Also, we strongly advise against applying third-bash firmware or Manage boards that assure to boost the hash amount. 5. Incremental upgrades: For those who have multiple devices, it is usually recommended to 1st update one of them https://iceriver-ks588642.shotblogs.com/the-single-best-strategy-to-use-for-iceriver-ks3-41789347