For the most reliable software, use the official D-Link FTP servers or support portals:

If you have the B1 hardware revision, you may require Firmware 2.00 , which addresses user interface issues and protocol support. Step-by-Step Installation Guide

The D-Link Russia FTP provides direct access to various versions, including the widely used v1.31 and v1.40 .

To avoid "bricking" your device, always perform the update using a , never via Wi-Fi. Index of /pub/Wireless/DAP-1160/Firmware - D-Link FTP