@Router-M7450 Thank you for getting back to me. May I know the hardware and firmware version of the M7450? Will you have the same issue when inserting the SIM card into a smartphone? If possible,...

@Namann1 Hi, nice to see you again. Sorry, and I didn't see you mentioned the same issue quite a long ago.

@Namann1 Hi, can you forward the email to me?—I have provided my email address to me via private message. In my option, I do think B41 has a quite wide range of bandwidth, for example, 2496 to...

@rakrisi Nice to see you again. Please refer to this link for more suggestions: https://community.tp-link.com/en/home/forum/topic/271912

@TBinsx1 Hi, were you still having this issue now? If yes, could you please share with us a picture of your status page when getting no data from the wan? May I know how long have you had the modem...

@FrankIve Hi, it is not available now. I do see some users install a smart plug in order to set up a power schedule for the network devices and maybe you could give it a try.