@dangduters @Auu Please check the private message for further assistance. Thank you very much.

@Davijenko Hi, Could you please help me check the following information: 1. if the SIM card is into the smartphone, would it work on the 4G? If yes, which 4g band does it use? 2. if you go to...

@mrhaav Hi, Did you try the factory reset the modem? And currently, our LTE gateway routers do not support firmware recovery via TFTP.

@Danielgb555 Hi, thank you for the time and patience. There is some information for your reference: 1. It does not have to turn off the DHCP server if there is already a DHCP server in the LAN, but...

@Pj0007 Hi, have you tried to factory reset this router? After reset, if still nothing happened, please contact the local shop retailer to ask for a warranty.

@simocs7 Hi, I am afraid I could not give your any recommendations. There is some information shared on the internet and maybe you could have a look: https://www.techradar.com/best/best-ip-phones