Just bought an AC1200 / Archer MR500 LTE router, and put an EE sim card in it. The router doesn't last 12 hrs before internet disconnects. This has happened every day since I've had the router, which

Dear TP-Link, I have an issue with my MR500, I tried to updated to the latest firmware, selected the best band, set manual telco, restart device. It doesn't solve my MR500 random disconnection and slo