Yes, if you need to use your own router without Double NAT or if your ISP blocks VPNs. No, if you are not comfortable with command-line interfaces—one wrong sendcmd can set your VLAN ID to null, killing your internet.
$.post('/cgi-bin/telnet_enable.cgi', enable:1); (Note: This varies by firmware version; some require a direct Telnet enable via SendCmd) Open CMD or Terminal: telnet 192.168.1.1 Login: root / Zte521 (or admin / admin ) Step 3: Execute the Unlock UPD Sequence Once in the ZTE CLI (usually a # prompt), type the following sequence precisely: zte zxv10 b866v2 unlock upd
# Disable TR-069 remote management sendcmd 1 DB set MgtServer 0 URL http://127.0.0.1 sendcmd 1 DB set MgtServer 0 PeriodicInformEnable 0 sendcmd 1 DB set MgtServer 0 Tr069Enable 0 upgradetest sdefconf 366 (Note: 366 = Open region. 0 = China, 1 = HK, 255 = Developer) Enable Permanent Telnet access sendcmd 1 DB set TelnetCfg 0 Lan_Enable 1 sendcmd 1 DB set TelnetCfg 0 InitSecLvl 3 sendcmd 1 DB save Step 4: The "UPD" Reboot Do not use the web reboot. Use the CLI: Yes, if you need to use your own