In your device's settings, follow the guide below.
Open the Settings.
Tap Wi-Fi, and set Wi-fi to on.
Choose "TPE-Free" from the list of networks.
Authentication page login (If you do not have an account, please apply here.)
Open your web browser, you will be automatically directed to the TPE-Free website. Enter your TPE-Free account and password to login.
After verification, you can see some message that how to logout if you login successfully.