@mr_uef Hi, you can refer to this link to test the OpenVPN config file on the mobile phone: How to set up OpenVPN Client on Android Phone and iPhone Deco OpenVPN Client Always Connecting

@Barri Hi, welcome to the community. You can refer to the suggestions here- Scenario 2 How to set up 3G/4G/5G Backup on TP-Link LTE router under wireless router mode Thank you very much. Best regards.

@Oliviamcx Hi, welcome to the community. May I know your SIM ISP? It is suggested to set the PDP type to "IPV4 only" to see whether it helped: By the way, what is the model number of the other...

@MadMarx Hi, welcome to the community. May I know your SIM ISP? Can I have a screenshot of the internet status on your Archer NX200, such as the attached picture here: By the way, how much of the...

@Niko9898 Hi, thank you very much for the update. I didn't see the attached picture on the mobile phone. Maybe you can add it again? By the way, from the web admin UI on the Archer NX200, it is...

@Gaston_C Hi, thank you very much for the update. I think the reported issue is very like the following post:https://community.tp-link.com/en/home/forum/topic/613896?replyId=1277672, which is indeed...