@silencerz23 Hi, please email support.forum@tp-link.com with subject "Forum 603552 Tri SIM doesn't work on MR6400", further debugging will be needed to locate the issue.

@Viking77 Hi, your RE650 is working on AP mode, right? May I know the LED status on the RE650 when the 2.4G WiFi stops working? and if you connect directly to your router's 2.4G WiFi, is it always...

@RameshGokamalla Hi, For Jio SIM issue, please refer to this post: https://community.tp-link.com/en/home/forum/topic/604130 For VI SIM issue, it is better to start a new post for VI SIM, and please...

@nasaspaceboy Hi, there is a newer firmware on our official website, please download it and update it manually via web interface to see if it helps:...

@MobileRouter Hi, when selecting two bands manually, it is normal that it might work on one band only, we are unable to control the carrier aggregation because it is decided by base station. iPhone...

@Karl90278 Hi, I am afraid the device is defective completely, thus the firmware recovery didn't help, it is recommended to contact the seller where you bought it to check the warranty, if it is out...