@raoul123 Hello, this is TP-Link forum, if it is an Amazon cloud camera, it is suggested to contact the tech support of Amazon. Otherwise, you can tell us the model number of the TP-Link device you...

@r4vvm Try to reboot the router and the smart bulb and verify whether it will rebuild up the network connection with main router. Still the same, you can reset it by turning it on and off for 5 times...

@ucha Hello, what is the network type of the sim card? Can it be detected by putting it into the cellphone directly? Try to take it out and re-plug it into the sim card slot of the router. Besides,...

@ pkz78 Thanks for your reply. You can tell us the username and password later. While I have to say, due to the time difference, we may not able to reply to you in time in the next few hours. So if...

@zatui Hello, did you follow the instruction below to setup the network profile manually? https://www.tp-link.com/support/faq/1663/ After that, please click save. And then please verify whether it...

@Mea Actually, the M7350 V4 supports 2.4GHz OR 5GHz, you can choose one of them ONLY. While the M7350 V5 supports 2.4GHz only. Compared to 5GHz, the 2.4GHz will be more stable and has larger coverage...