@arvind7232 Hi, please confirm the specific frequency of the band 41 the phone is using with the same SIM card at same location, and you could refer to the instruction below to check 4G band on...

@silencerz23 Hi, could you please check which 4G band your phone is using with the same SIM card at same location? https://www.tp-link.com/support/faq/3488/ In addition, when you test the same SIM...

@Shinesei Hi, when the error message appears, did you notice any Wi-Fi disconnection? or WiFi is always connected to M7650? Besides, you mentioned that IP address changes as well, do you mean the 4G...

@Karl90278 Hi, I've sent you a private message, please have a check to see if it helps.

@leapfrg Hi, I saw you in another new post and already replied, please have a check: https://community.tp-link.com/en/home/forum/topic/603452

@RovaZa Hi，please go to Advanced->Network->Internet page again and enable NAT as well, which should be enabled by default. In addition, full subscription SIM card should work as well, as long as the...