@Morhafonline Hello, For your firmware version, it is the latest version, so you don't need to upgrade it, thank you! Have a nice day!

@Pikkewouter Hello, Could you please tell me what password did it can't accept? The login password or the wireless password? Did you register a TPLink ID on the Tether app? Have a nice day!

@KPG Hello， Here is an instruction you can refer to set up the 3G/4G as a backup: https://www.tp-link.com/en/support/faq/1732/ If switches to the dongle, the router will work as a 3G/4G router, and...

@bazneo Hello， Where did you download the firmware version 200624, may I have a link of it？ How did you upgrade the firmware version, by wireless or wired connection? After the upgrading, what is the...

@logmax15 Hello， Please refer to this FAQ to check if you set up correctly: https://www.tp-link.com/en/support/faq/227/ If it still not working, please tell me which step you have troubled and what...

@sirgamer Hello， The detailed issue description will help a lot in addressing the issue, so don't hesitate to provide us more details as you can. Good days.