@Delboythegayboy Check this video for setting up your device.

@LKN_AZE , For 5GHz band change your channel width and channel like this : Then disconnect/re-connect to the 5Ghz band with your iPhone and test. You may try with Channel Width set to Auto as well....

@BD45 To be able to access WebGUI of the device through Internet you need to have remote management enabled: The other way device to be managed from outside your network is through CWMP, configured...

@Ziv_Lavee It looks like the same issue has been discussed here. Here's how to configure QoS on VR600.

@ludiccc Use this guide for configuring the Parental Control. There are three examples at the end of the guide. If you're restricting kids mobiles make sure to set the phone MAC address on the mobile...

@LKN_AZE Make sure your wireless security settings are these for both bands: Connect your iPhone to 5GHz band SSID and test again.