Fixed the bug that no-ip doesn't updated properly.
2.Your device's configuration will not be lost after upgrading.
2.Added fastpath function in EWAN mode.
3.Supported MF667,E3531 3G modems in South Africa.
1.Fixed the bug that the IPSEC VPN couldn't be set up normally.
2.Fixed the bug that the static route didn't take effect after a reboot.
3.Fixed the kcodes security bug.