@Knight2k Hi, as I know, it can work with most SIM card, but I am not sure whether there is any special restriction by the ISP. It is more suggested to contact local support for confirmation.

@Adrian1976 Hi, thanks for posting question here. It is suggested to turn on TWT, OFDMA+MU-MIMO. May I confirm where the screenshot came from? A Tool to check the internet quality? Please share what...

@4rch3r Hi, thanks for posting questions here. According the local official website you shared, it lists US version, but yours is IN version. So that should be the reason you failed to upgrade...

@flavielli Hi, thanks for posting question here. You may try the suggestion from this thread. How to detect, enable and disable SMBv1, SMBv2, and SMBv3 in Windows

@flavielli Hi, thanks for posting question here. It is suggested to refer to Q8 in this guide.

@Ancistruso Hello, thank you for posting on the TP-Link community, and we certainly appreciate all your feedback and feature request(s) here. While we don't have any specific details that I can share...