Ender 3 4.2 7 sprite firmware July 8, 2019 16 32 64 128 Ender 3 pro 4.2 7 sprite firmware Ender 3 s1 software Ender 3 s1 upgrade firmware Ender 3 4.2.2 vs 4.2.7 Ender 3 v2 4.2.2 vs 4.2.7
