Before upgrading firmware, take a configuration backup. After upgrade to 3.9.3 it is not possible to revert and downgrade to 3.9.2 firmware or earlier without factory resetting the unit.

To downgrade from 3.9.3 firmware, reflash earlier firmware using .rst firmware and reload the configuration backup from the previous firmware version

The firmware we recommend is 3.9.3_BT . This version supports vectoring and uses modem code 779517.

Firmware is normally supplied in two different styles: The ALL file will just upgrade the firmware, whereas the RST file will upgrade the firmware and wipe all settings back to factory defaults.

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MD5 Checksum : b041fde2c749c445078be4140efe3ac0            SHA1 Checksum : 0da739bdb3a1012960a52a54af140b0d3b25671b
MD5 Checksum : 5c6a27e86891357fce1f45dda776dfb6            SHA1 Checksum : b9fbd76e982f9f3e1b7d1cfa83db0f6a91b3444a
MD5 Checksum : d69e44e88c6ab724c11fcc9519cff189            SHA1 Checksum : ccc55c072cf7f31efd3e8978a1ce8d5d9a2c134c
MD5 Checksum : b4f7d611fb40c083c6415972161c1a0e            SHA1 Checksum : 00ceb007451334ea33074a237fd45a9c4be9a684