freetambo wrote:
EDIT: stil don’t know what went wrong, but I tried again by doing this, which is the same thing I thought I did, and now it works. Thanks for the help!
My guess is that you needed to give a correct IP address to the 2nd router. Previously it would have had a default IP address assigned by the manufacturer, but in the “Access Point” mode, you’d need to assign one yourself. Glad you got it sorted!