Problem phenomenon: If you have since updated your iPhone you may see the range extender’s Wi-Fi shown as having weak security. This is due to the range extender supporting the mixed WPA/WPA2 (AES/TKI

TP-LINK RE650 / TKIP - AES ISSUE STILL UNRESOLVED ! HAVE SEEN SEVERAL ANSWERS TO THE DANGEROUS USE OF TKIP VS AES ASKED BY SEVERAL USERS, YET NO ONE AT TP LINK HAS YET ADDRESSED THIS ISSUE WITH *** CL