Firmware is for non-USA Revision T3 only.
Firmware -->
http://legacyfiles.us.dlink.com/DIR-615/REVT/FIRMWARE/DIR-615_REVT3_FIRMWARE_20.22B04.zipRelease Notes:1. Portuguese, Spanish and English version. Default is English.
2. Support On-Page setup page.
3. Disable HT20/40 co-existence by default for DBR/DLA request
Problems Resolved:
1. Fix Repeater issue
2. Blank domain name setting in the GUI of DHCP server
Enhancements:
1. Support WISP mode, IP filter,
2. Add time zone “ GMT+4 Abu Dhabi , Muscat”
3. Add IP filter, Mac filter function
4. WPA2 security enhancement.
5. Add firmware protection