GRP2612/2612P/2612W/2613/2614/2615/2616/2624/2634/2670 Release Notes
GRP2612/2612P/2612W/2613/2614/2615/2616 1.0.7.33 Firmware File
HTTP Firmware upgrade path for BETA release is:
firmware.grandstream.com/BETA
GRP2612/2612P/2612W/2613/2614/2615/2616/2624/2634/2670 Release Notes
HTTP Firmware upgrade path for BETA release is:
firmware.grandstream.com/BETA