D-link Dwr-921 Firmware
He found the latest file: . Release Note: Fixed LTE disconnection issue. Improved stability.
"It’s the code that lives on the hardware," Elias explained, rubbing his temples. "Think of the router as a car. The hardware is the engine and wheels. The firmware is the driver. Right now, the driver on this thing is drunk. It’s version 2.0something. It’s old. It probably doesn't know how to talk to the new cell towers the carrier put up last month." d-link dwr-921 firmware
⚠️ Custom firmware voids warranty and can permanently disable LTE. He found the latest file:
Signal Strength: -75 dBm (Good). Network: LTE. " Elias explained