@Specialist316 What is the hardware & firmware version of the M4s? Setting them as access point mode should've worked

@AlexMunck The 2nd one

@Lakshay Given than S4 V2 still don't support connection preference afaik, the only thing you can do is place the Decos farther & hope that the 2nd floor Deco connect to 1st floor Deco

@McMike You also need to refresh the Deco app if you haven't already

@Garethjr In the home screen of Deco app, tapping on the "three lines menu" (also known as the "burger" menu) at the top left corner will show your old network (if it was managed with the same...

@JunYouko Try setting the Decos in access point mode