Hi, What is the model and OS of your cellphone? Please login the web interface of MIFI and check SMS to figure out the items of message and whether these messages contain any special charcters; Or...

Hi, Please follow the instruction below to pair them manually. https://www.tp-link.com/support/faq/258/ Note: The power led should be flashing after you hold the pair button for 1s. Then if it still...

Thanks for your reply; that is a little weird, you can try to hard reset the D20 manually and reconfigure it manually, do not restore the configuration files to give it a go. Or cause the current...

Hi, The powerline light should be on otherwise, it does not pair with the main unit which connects to the main router by wired cable, thus there is no internet from it. It is suggested to move them...

Hi Fred, Thanks for your reply and understanding. Sure you can take some time to test the connection with all same SSID. Meanwhile, it is true that it is hard to verify which SSID you have connected...

Hi, What is the model number of the powerline adapters? Is it the same TL-PA4010? What is the light status of the current adapters? With your device connected to it, can you access internet? Good...