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/B4/

File Name  ↓ File Size  ↓ Date  ↓ 
Parent directory/--
B4_1.18.bin.txt195 B2026-Jun-13 12:02
B4_1.12.bin.txt196 B2026-Jun-13 12:02
B4_1.07.bin.txt196 B2026-Jun-13 12:02
B4_1.13.bin.txt202 B2026-Jun-13 12:02
B4_1.06.bin.txt205 B2026-Jun-13 12:02
B4_1.14.bin.txt208 B2026-Jun-13 12:02
B4_1.05.bin.txt208 B2026-Jun-13 12:02
B4_1.16.bin.txt208 B2026-Jun-13 12:02
B4_1.03.bin.txt208 B2026-Jun-13 12:02
B4_1.17.bin.txt209 B2026-Jun-13 12:02
B4_1.02.bin.txt210 B2026-Jun-13 12:02
B4_1.19.bin.txt211 B2026-Jun-13 12:02
B4_1.15.bin.txt211 B2026-Jun-13 12:02
B4_1.10.bin.txt232 B2026-Jun-13 12:02
B4_1.02.bin179.4 KiB2026-Jun-13 12:03
B4_1.03.bin185.6 KiB2026-Jun-13 12:03
B4_1.05.bin202.4 KiB2026-Jun-13 12:03
B4_1.06.bin202.5 KiB2026-Jun-13 12:03
B4_1.07.bin203.3 KiB2026-Jun-13 12:03
B4_1.12.bin211.1 KiB2026-Jun-13 12:03
B4_1.10.bin211.2 KiB2026-Jun-13 12:03
B4_1.13.bin211.2 KiB2026-Jun-13 12:03
B4_1.14.bin222.7 KiB2026-Jun-13 12:03
B4_1.15.bin224.1 KiB2026-Jun-13 12:03
B4_1.18.bin229.0 KiB2026-Jun-13 12:03
B4_1.16.bin278.7 KiB2026-Jun-13 12:03
B4_1.17.bin282.5 KiB2026-Jun-13 12:03
B4_1.19.bin283.9 KiB2026-Jun-13 12:03