GXW4216/4224/4232/4248 1.0.14.2 Release Notes
GXW4216 Release 1.0.14.2 Firmware File
GXW4224 Release 1.0.14.2 Firmware File
GXW4232 Release 1.0.14.2 Firmware File
GXW4248 Release 1.0.14.2 Firmware File
HTTP Firmware upgrade path for BETA release is:
firmware.grandstream.com/BETA