Jaf Box Driver For Windows 10 64 15 Fixed «Trusted × OVERVIEW»

Open Device Manager. You should see:

Now open JAF software (v1.98 or recommended version). The “PKEY active” indicator should turn green.

To ensure a smooth installation, prepare the following:

If the driver installs but no COM port appears: jaf box driver for windows 10 64 15 fixed

Alternatively, use the included install.cmd script (right-click → Run as Administrator). This script auto-assigns COM15 (hence "15 fixed" historical reference).

Many users tried generic drivers or older JAF PKEY drivers only to encounter three persistent issues:

The v1.5 fixed driver addresses these by: Open Device Manager

Q: Is the v1.5 fixed driver safe from malware?
A: The original v1.5 fixed package from trusted sources (e.g., GSM-Forum, Unlocker) is clean. However, some repacked versions include adware. Always scan with Windows Defender and Malwarebytes. The kernel driver jafusb.sys is not signed by Microsoft, but it is not a virus – it simply uses privileged operations.

Q: Can I use this driver on Windows 11 64-bit?
A: Yes. Windows 11 has stricter signature enforcement, but the same "Disable Driver Signature Enforcement" method works. Some users report better stability on Windows 11 than Windows 10.

Q: Why "v1.5" – wasn't the last official version 1.2?
A: Correct. The "v1.5" designation is unofficial – it was chosen by the patchers to indicate the fifth major community revision. The core driver version remains 1.2 functionally. Now open JAF software (v1

Q: Does this driver support JAF P-Keys (Pro-level boxes)?
A: Yes. The fixed driver works with both JAF Basic (green PCB) and JAF P-Kit (blue PCB). However, P-Kit requires additional registry keys – use the included reg_fix.reg file.

After the driver is successfully installed, configure your JAF flasher software (version 1.98.62 or higher):

Test connection: Click "Check JAF Box" – you should see "Box Connected, Version 1.2".