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- RedmiBook 14 ll (NB2500 PCB MB V6) Ryzen XM25QU128BBIOS · 16.0 MB · 7 May 2025BIOS bin—16.0 MB
- NB2500 PCB MB V5 A5 A21 MB REVE WORKING BIOS 100% telegram BIOSBIOS · 5.15 MB · 24 Sept 2025BIOS zip—5.15 MB
- Xiaomi Redmibook 16 - NB2500-PCB-MB-V6- A5-A21 MB Rev FBIOS · 16.0 MB · 18 Jan 2024BIOS bin—16.0 MB
- NB2500 PCB MB V6 WORKING BIOS 100% telegram BIOS Repair 2025 09BIOS · 5.16 MB · 24 Sept 2025BIOS zip—5.16 MB
- NB2500 PCB MB V5 WORKING BIOS 100% telegram BIOS Repair 2025 09BIOS · 5.16 MB · 24 Sept 2025BIOS zip—5.16 MB
- NB2500 PCB MB V5 A5 A21 MB REV E 16MB WORKING BIOS 100% telegramBIOS · 5.13 MB · 24 Sept 2025BIOS zip—5.13 MB
- NB2500 PCB MB V5 WORKING BIOS 100%BIOS · 4.89 MB · 3 Jul 2024BIOS rar—4.89 MB
- Xiaomi Redmibook 16 - NB2500-PCB-MB-V6- A5-A21 MB Rev FBIOS · 16.0 MB · 19 Jan 2024BIOS bin—16.0 MB
- NB2500 PCB MB V5BIOS · 11.0 MB · 14 Aug 2025BIOS zip—11.0 MB
- RTS5452H NB2500 PCB MB v6 A5 A21 RB 16 CRC32 0x1ADB97BA
Realtek RTS5452H Type-C controller dump for an NB2500 main board, v6, with extra tokens A5, A21, RB and 16 in the name.
BIOS · 60.8 KB · 21 May 2026BIOS zip—60.8 KB - NB2500 PCB MB V6 WORKING BIOS 100%
Firmware dump for a laptop mainboard marked NB2500_PCB_MB_V6, which looks like board NB2500 at version V6. The name states the BIOS was tested as fully working.
BIOS · 4.68 MB · 27 Feb 2024BIOS rar—4.68 MB - NB2500 PCB MB V5 A5 A21 MB REVE WORKING BIOS 100%
Archived BIOS image for the NB2500_PCB_MB_V5 motherboard carrying the A5 and A21 markings, revision E, reported in the name as a working, fully tested dump.
BIOS · 6.41 MB · 22 Jun 2024BIOS rar—6.41 MB - Redmibook 14 II A5 A21 MB REV D NB2500 PCB MB V4 RYZEN 7 4700U WORKING
Firmware for a Xiaomi RedmiBook 14 II, with A5 and A21 tags, MB revision D, PCB code NB2500 MB V4, for the AMD Ryzen 7 4700U version, marked as working.
BIOS · 4.79 MB · 10 Oct 2024BIOS 7z—4.79 MB - NB2500 PCB MB V5 A5 A21 MB REV E 16MB WORKING BIOS 100%
BIOS dump packed in a RAR archive for a board marked NB2500_PCB_MB_V5 with the A5 A21 identifiers, motherboard revision E, sized for a 16MB flash chip.
BIOS · 5.95 MB · 22 Jun 2024BIOS rar—5.95 MB - NB2500EA MB PDF
Motherboard schematic identified only as NB2500EA_MB, supplied as a PDF in a 3.70 MB RAR archive.
Schematic · 3.70 MB · 30 Apr 2023Schematic rar—3.70 MB