Having issues with my AR150 and AR-300M16-Ext.

The AR-150 I’ve had for over 10 months. It has worked flawlessly. I’ve been proactive in updating the firmware as they become available. When I upgraded to firmware version 2.27 (from 2.264), it no longer will automatically switch between saved stations.

So, I purchased a AR300M16-Ext. It arrived at my door with firmware 2.264. I configure it, and all is working. I update the firmware to 2.27, and now I no longer get the gl-inet interface (html). The device will redirect me to the /cgi-bin/luci/ interface.

Not very happy with the 2.27 upgrades on both devices. Any thoughts or recommendations would be helpful. I’m all set to box up the AR300M16 and send it back for a replacement.