Despite following the steps, problems occur. Here are the most frequent ones and their solutions.
Look for USB VID:PID pairs (e.g., 0xABCD:0x1234). Many driver-install steps depend on these IDs.
Follow this procedure carefully to install the BBU3900 USB driver correctly.
A: No. Each Huawei device has its own USB vendor/product ID. The BBU3900 driver is specific to baseband units with UMPT/WMPT boards.
Checks:
The BBU3900 exposes a 4-pin maintenance connector:
We use a USB-to-RS485 adapter (e.g., FTDI FT232R or Silicon Labs CP2102) with automatic direction control.
| Driver Version | Windows OS Support | BBU3900 Board Version |
|----------------|--------------------|----------------------------|
| 1.0.0.8 | Win XP, 7 (32/64) | UBBP, WBBP, LBBP rev A |
| 2.0.1.3 | Win 7, 8, 8.1 | Universal for 3900 series |
| 3.0.0.0 | Win 10 (build 1507-1809) | Later revisions (2016+) |
| 3.1.0.2 | Win 10 (1903+), Win 11 | All BBU3900 variants |
Warning: As of 2023-2025, Windows 10/11 may still lack native support. Driver signing enforcement can block installation of older Huawei drivers.
Bbu3900 Usb Driver ⇒
Despite following the steps, problems occur. Here are the most frequent ones and their solutions.
Look for USB VID:PID pairs (e.g., 0xABCD:0x1234). Many driver-install steps depend on these IDs.
Follow this procedure carefully to install the BBU3900 USB driver correctly.
A: No. Each Huawei device has its own USB vendor/product ID. The BBU3900 driver is specific to baseband units with UMPT/WMPT boards. bbu3900 usb driver
Checks:
The BBU3900 exposes a 4-pin maintenance connector: Despite following the steps, problems occur
We use a USB-to-RS485 adapter (e.g., FTDI FT232R or Silicon Labs CP2102) with automatic direction control.
| Driver Version | Windows OS Support | BBU3900 Board Version |
|----------------|--------------------|----------------------------|
| 1.0.0.8 | Win XP, 7 (32/64) | UBBP, WBBP, LBBP rev A |
| 2.0.1.3 | Win 7, 8, 8.1 | Universal for 3900 series |
| 3.0.0.0 | Win 10 (build 1507-1809) | Later revisions (2016+) |
| 3.1.0.2 | Win 10 (1903+), Win 11 | All BBU3900 variants | Look for USB VID:PID pairs (e
Warning: As of 2023-2025, Windows 10/11 may still lack native support. Driver signing enforcement can block installation of older Huawei drivers.