Denon Avr-x520bt Firmware Update ((exclusive)) | Limited & Confirmed

That said, if you’re experiencing HDMI handshake issues or Bluetooth drops, the latest firmware is worth the 20-minute investment. Have you recently updated your X520BT? Did it fix an issue or create a new one? Let us know in the comments below.

If you own a Denon AVR-X520BT, you own one of the most reliable entry-level 5.2-channel AV receivers on the market. It’s a workhorse for budget home theaters. But like any smart device, its performance depends partly on keeping its software—specifically its firmware—up to date. Denon Avr-x520bt Firmware Update