In a standard custom firmware, the miner might "blink" every few hours, switching its hashing power to the developer for a few minutes. While 2% sounds small, it can represent hundreds of dollars over the lifetime of a large farm.

Always download from reputable community hubs like LitecoinTalk or verified Reddit threads to avoid "Trojan" versions that might steal your hashrate entirely.

Custom firmware like the one found in the "L3 No Dev Fee" archive offers several advantages over the factory Bitmain software: