Ldw931 Firmware Update Better _verified_ Jun 2026

Allows you to manually select the fastest LTE band in your area (e.g., Band 3, 7, or 20) instead of letting the modem auto-switch to a slower one.

Power on your Ldw931. Immediately press and hold the "Func" button. Look for "BL: 2.x" on the splash screen. If your bootloader is below 2.0, you must flash an intermediate patch first. Ldw931 Firmware Update BETTER

If you run into problems during or after the update, here are solutions to the most frequent issues: Allows you to manually select the fastest LTE

What firmware is and why updates matter

Connect the dongle directly to your PC (avoid USB hubs). Look for "BL: 2

Some users have reported that the LDW931 works perfectly with one laptop but fails to connect to another, showing a red LED indicator. This is often due to compatibility issues or a lack of sufficient power. The device is designed to be powered by any USB source, but an unstable power supply from a computer's USB port can cause problems. To resolve this: