@Falcon-Beer Hi, thanks for posting question here. This model does not support bandwidth control settings for guest network. You may refer to the guide: How to configure Bandwidth Control on TD-W9970...

@gelrtp Hi, welcome to our community. It is suggested to follow this guide to check: How to troubleshoot if remote management does not work on LTE Gateway Router with 3G/4G Router mode You may also...

@Maltero Hi, welcome to our community. You may refer the discussion in the thread to see the reason. Best regards.

@thusband Hi, factory reset will remove all the settings and we have to reconfigure everything from the beginning. Best regards.

@Shedir Hi, thanks for posting question here. For the wireless unstable connection, it is suggested to follow steps in the guide to confirm and troubleshoot. Does DHCP reservation you mentioned mean...

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