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/B1 Pro/

File Name  ↓ File Size  ↓ Date  ↓ 
Parent directory/--
B1 Pro_2.01.bin.txt196 B2026-Jun-13 12:02
B1 Pro_1.01.bin.txt196 B2026-Jun-13 12:02
B1 Pro_2.02.bin.txt196 B2026-Jun-13 12:02
B1 Pro_2.04.bin.txt196 B2026-Jun-13 12:02
B1 Pro_2.03.bin.txt202 B2026-Jun-13 12:02
B1 Pro_1.04.bin.txt214 B2026-Jun-13 12:02
B1 Pro_1.03.bin.txt234 B2026-Jun-13 12:02
B1 Pro_1.01.bin294.9 KiB2026-Jun-13 12:03
B1 Pro_1.03.bin297.1 KiB2026-Jun-13 12:03
B1 Pro_1.04.bin297.1 KiB2026-Jun-13 12:03
B1 Pro_2.03.bin318.5 KiB2026-Jun-13 12:03
B1 Pro_2.01.bin318.5 KiB2026-Jun-13 12:03
B1 Pro_2.02.bin318.6 KiB2026-Jun-13 12:03
B1 Pro_2.04.bin319.6 KiB2026-Jun-13 12:03