@MadhuReddy A potential candidates could be routers like TL-WR841N (single band) or Archer C54 (dual band) which have a "RE mode". You can start buying one of these (according to your needs) and...

@PTnium It's hard to tell - they have quite similar parameters and features, differentiating by physical appearance and size - check this comparison. I personally prefer the smaller sized C64.

@Ishan5inku It would've picked up the username/password if they were in configured in mesh network. Since you're using the C6 in AP mode, these are not propagated automatically - you could configure...

@WillDavison Got it. My suggestion still stands - it would be much easier to configure AX12 in AP mode than the VR400 - you got nothing to loose in this scenario - both devices are gigabit routers.

@Robert10 To which band of the RE700X you're connected - 2.4GHz or 5GHz - bare in mind that 5GHz band is much faster than the 2.4GHz. On the other side - what is your PC wireless network card ? You...

@RichardBarn Here's the tether app compatibility list for access points. TL-WA1201 is not in the list of supported devices.