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/B21_Pro/

File Name  ↓ File Size  ↓ Date  ↓ 
Parent directory/--
B21_Pro_2.10.bin.txt208 B2026-Jun-13 12:02
B21_Pro_2.16.bin.txt202 B2026-Jun-13 12:02
B21_Pro_2.18.bin.txt210 B2026-Jun-13 12:02
B21_Pro_2.14.bin.txt202 B2026-Jun-13 12:02
B21_Pro_3.01.bin.txt202 B2026-Jun-13 12:02
B21_Pro_2.25.bin.txt224 B2026-Jun-13 12:02
B21_Pro_2.17.bin.txt202 B2026-Jun-13 12:02
B21_Pro_2.26.bin.txt202 B2026-Jun-13 12:02
B21_Pro_3.03.bin.txt202 B2026-Jun-13 12:02
B21_Pro_3.11.bin.txt202 B2026-Jun-13 12:02
B21_Pro_2.24.bin.txt202 B2026-Jun-13 12:02
B21_Pro_2.19.bin.txt202 B2026-Jun-13 12:02
B21_Pro_2.12.bin.txt202 B2026-Jun-13 12:02
B21_Pro_2.11.bin.txt211 B2026-Jun-13 12:02
B21_Pro_2.13.bin.txt202 B2026-Jun-13 12:02
B21_Pro_3.10.bin.txt202 B2026-Jun-13 12:02
B21_Pro_2.23.bin.txt209 B2026-Jun-13 12:02
B21_Pro_3.09.bin.txt201 B2026-Jun-13 12:02
B21_Pro_2.21.bin.txt209 B2026-Jun-13 12:02
B21_Pro_3.05.bin.txt208 B2026-Jun-13 12:02
B21_Pro_2.23.bin118.1 KiB2026-Jun-13 12:03
B21_Pro_3.09.bin119.9 KiB2026-Jun-13 12:03
B21_Pro_3.01.bin119.0 KiB2026-Jun-13 12:03
B21_Pro_2.13.bin111.3 KiB2026-Jun-13 12:03
B21_Pro_2.12.bin111.2 KiB2026-Jun-13 12:03
B21_Pro_2.17.bin119.2 KiB2026-Jun-13 12:03
B21_Pro_2.11.bin111.2 KiB2026-Jun-13 12:03
B21_Pro_2.25.bin115.6 KiB2026-Jun-13 12:03
B21_Pro_2.26.bin118.1 KiB2026-Jun-13 12:03
B21_Pro_2.10.bin110.8 KiB2026-Jun-13 12:03
B21_Pro_2.16.bin117.5 KiB2026-Jun-13 12:03
B21_Pro_3.03.bin119.4 KiB2026-Jun-13 12:03
B21_Pro_3.05.bin118.6 KiB2026-Jun-13 12:03
B21_Pro_2.14.bin112.0 KiB2026-Jun-13 12:03
B21_Pro_3.10.bin119.8 KiB2026-Jun-13 12:03
B21_Pro_2.21.bin115.6 KiB2026-Jun-13 12:03
B21_Pro_2.19.bin119.0 KiB2026-Jun-13 12:03
B21_Pro_3.11.bin119.9 KiB2026-Jun-13 12:03
B21_Pro_2.24.bin118.1 KiB2026-Jun-13 12:03
B21_Pro_2.18.bin119.2 KiB2026-Jun-13 12:03