D-Link DSL-2877AL - Getting Started with Web Interface; Accessing the Web User Interface

D-Link DSL-2877AL Dual Band Wireless AC750 VDSL/ADSL2+ Modem Router User Manual
Section 2- Basic Installation
Page 21
13. If the router is not the latest firmware version, then D-Link One Touch will
download it.
14. The latest firmware download is complete; the Download Completed dialog will be
pop-up, tap OK button to upgrade the latest firmware for the router.