Hi, the default login username/password is admin/admin, all lower cases. It's always printed on the back of the unit.

The wireless speed also depends on the wireless adapter on your wireless device. If your wireless adapter is 150Mbps, then you cannot get the speed more than 150Mbps.

What's the hardware version of your extender? The wireless light of V1 is blinking, V2 is solid. You can follow the FAQ to connect your laptop or cellphone to the extender's wifi and access to the...

Hi, Did you enter the correct router's password on the extender's setup page? Is the signal light on the extender on? You can try unplug the extender, then on your phone, go to Wi-Fi page, and...

You can buy another TL-WPA8630KIT, TP-LINK doesn't have single TL-WPA8630 available, they only have single TP-WPA4220 available. Other wifi extenders are sold by kit.

Did you try different browsers or computers? What's the hardware and firmware version of your router? Try to update the firmware.