@Lyes4u Hi, MR550 is a remodel of MR500, the firmware is actually the same, except for the Tether App, please also check the web interface to see if it also shows MR500. For the 4G+ issue, do you...

@TitoX Hi, your current firmware is indeed made for India 5G SIM issue, may I know if you have any India Jio 5G SIM card? If so, is it working with the current firmware?

@P51D Hi, M7350 doesn't support remote management, and for other devices that supports it, remote management will not work either when internet stops working. For now, it is recommended to let the...

@Kokuo Hi, is your mobile phone Android phone? If so, please login the web interface of the MR200 and check Internet IPv4 address on Status page, if it is empty, please refer to the solution...

@skogsbo Thank you very much for the update, which will help other users as well.

@Prashant28 Please refer to this post: India Jio SIM stops working on TP-Link LTE Gateway Routers after upgrading to 5G