@lorenzo89 Is the issue persisting now? Try to restart all the Deco units in the network as well as your phone, then confirm again, thanks a lot.

@artis4n Hello, thanks for asking. As far as I know, the MR6400 doesn't support carrier aggregation as per the specifications:...

@Dailyzombie Hello, thanks for suggesting. While the MR600 doesn't support VPN client settings, it only offers a VPN servers (OpenVPN and PPTP). We will take note of this kind of feedback, and may...

@M2NGWA_89 Hello, thanks for asking. Here is a beta firmware which allows you to choose the band manually on the MR6400, please check if it helps: MR6400(EU) V5:...

@shahin_karami8 Hello, it is suggested to refer to the below troubleshooting guide to check the basic setings on the MR200: https://www.tp-link.com/support/faq/2468/

@Daskemann Hello, the data usage is only working when the MR200 works as a 3G/4G router mode, as we assume it is not that necessary to monitor the data usage when using as a wireless router.