so they released new firmware but without a band selection. looks like tplink dev team too lazy to add an option which is already in beta. i still have return window, thinking of returning it too.

does latest firmware have option to choose band? if not il stick with beta

Finally it works. i relocated my router to different room and getting band 3 and 40 here. but out of the box its not choosing 4g+ for my location. i had to upgrade to beta firmware to choose band...

@darant will this work for device purchased in india?

speed test result is very poor. just 3mb/s download speed. my phone has better speed 8mb/s, so the router is not connected to 4g+ for sure. from amazon reviews, out of the box 4g+ worked for airtel...

I just purchased and installed MR600. im not sure if its using 4g+ my mobile phone is working on 4g+ so location is not a issue, also placed the router on best location to get higher signal strength...