Grandstream 1.0.1.21 Firmware for GXW4004/GXW4008/GXW4024/ HT502 Released

Grandstream has announced that release 1.0.1.21 for GXW4004/GXW4008/ GXW4024/ HT502 is now officially released. The firmware and release notes can be downloaded from:

http://www.grandstream.com/firmware.html (Please refer to the related product on the page for firmware download or release note ).

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