NIIMBOT firmware collection
stable and testing directories contain original firmware images. They are not modified in any way.
Important notes:
Flash with niim.blue (instructions). Everything you do is at your own risk.

/testing/B21S-C2B/

File Name  ↓ File Size  ↓ Date  ↓ 
Parent directory/--
B21S-C2B_39.05.bin80.5 KiB2026-Apr-12 13:11
B21S-C2B_31.02.bin.txt255 B2026-Apr-12 13:11
B21S-C2B_1.32.bin139.9 KiB2026-Apr-12 13:11
B21S-C2B_31.04.bin79.8 KiB2026-Apr-12 13:11
B21S-C2B_40.18.bin.txt211 B2026-Apr-12 13:11
B21S-C2B_31.05.bin79.8 KiB2026-Apr-12 13:11
B21S-C2B_31.02.bin79.4 KiB2026-Apr-12 13:11
B21S-C2B_1.32.bin.txt263 B2026-Apr-12 13:11
B21S-C2B_40.21.bin95.1 KiB2026-Apr-12 13:11
B21S-C2B_39.05.bin.txt208 B2026-Apr-12 13:11
B21S-C2B_40.21.bin.txt211 B2026-Apr-12 13:11
B21S-C2B_31.04.bin.txt232 B2026-Apr-12 13:11
B21S-C2B_40.18.bin95.0 KiB2026-Apr-12 13:11
B21S-C2B_31.05.bin.txt208 B2026-Apr-12 13:11