What should I do if the Internet LED doesn’t light up or I cannot access the internet? (Mobile Wi-Fi without screen)
72640 A1. Check PIN status
Please refer to How to log in the management interface of 4G LTE Mobile Wi-Fi? (new logo) to log in to the web management page on your phone. If the current SIM card status is PIN Locked, you will need to unlock it using the PIN code.
A2. Verify the mobile carrier parameters
1. Log in to the web management page on your phone. Go to Dial-up > Device > View Profile Details and verify the parameters (i.e. APN, Username, and Password) provided by your mobile carrier are correctly entered
2. If the mobile carrier parameters are not correct, return to the Dial-up page and create a new profile with the correct information. Then choose the new created profile from the Profile List.
A3. Check the Data Roaming settings
If your SIM card is operated in a roaming service area, log in to the web management page on your phone. Go to Dial-up and enable the Data Roaming option.
A4. Check Mobile Data
Log in to the web management page on your phone. Go to Dial-up to verify that Mobile Data is On. If not, enable it.
A5. Check Data Limit
Log in to the web management page on your phone. Go to Device > Data Usage Settings to check whether your data usage has exceeded the Total/Monthly allowance.
Is this faq useful?
Your feedback helps improve this site.
TP-Link Community
Still need help? Search for answers, ask questions, and get help from TP-Link experts and other users around the world.