Er, M7350 supports only 2.4G wifi.

I'm afraid this is impossible...

Yes, of course. But I wonder that which password you need to reset, wifi password or management password. Anyway, you can just login to the management page by entering tplinkrepeater.net in your...

If I didn't get you wrong, you just want to get Internet from your office router via MR200, right? Then MR200 shares the Internet? If so, please reset your MR200 and set it to work on Router Mode....

I didn't get that. Maybe you could explain yourself one more time.

Hi Jack, I got a beta firmware, maybe you could have it a try. http://support.tp-link.com/f/8c45114872/?dl=1. Good luck.