@janice171 Hi, the 4G LTE Router allows direct internet connectivity via a SIM card, utilizing 4G data access. Once you insert a compatible and unlocked SIM card, the router becomes plug-and-play. To...

@4rch3r Hi, sorry that we can not find any firmware about your version for you. If there are connectivity issues, we would like to listen and try to provide possible suggestions.

@P_Chan Hi, it is a pity that we can do little for you. As HB810 is a customized model by some local ISPs (local official website), we can know much less than common models and the features may be a...

@Gingernook Hi, is it a smart bulb? If you connect the bulb to your main router and the bulb can still be controlled via its app when you are not at home, that means your bulb can be connected via...

@zj7 Hi, thanks for your further sharing~ In my last reply, you may see Change DNS in blue, which is a hyperlink guiding you to change DNS. For your reference again: How to Change the DNS servers on...

@Nyamka Hi, you may follow this troubleshooting guide and provided information as suggested in it. It is also suggested to contact local support for direct help.