Help Center

Service Issues & Troubleshooting

Fix issues with calls, data, texts, voicemail, and more.

• How do I enable mobile Hotspot?
• I can't call, text or use data?
• What APN settings are needed with Tello?
• What should be the APN settings for my Android?
• What should be the APN settings for my iOS?
• What do I do if I have a SIM card error message?
• How can I contact Customer Support?
• What is the E911 Emergency Address?
• I cannot send/receive text messages. How can I solve this?
• What do I do if I receive the Voicemail invalid message?
• Why does my Visual Voicemail not work?
• How can I use Wi-Fi Calling?
• How can I set up call forwarding?
• How is Wi-Fi Calling & Texting Charged?
• How do I set up & access my Voicemail?
• How do I transfer my contacts from my old phone to my new phone?
• Does Tello support streaming?
• Wi-Fi Calling is not working, what can I do?
• I can’t receive short codes. What should I do?
• What is RCS?
• How can I enable RCS Messaging on my device?
• Why am I getting the error "To allow Wi-Fi Calls on this account, contact your carrier"?
• Why am I getting the error "For the moment, you've reached the maximum number of eSIM activation requests on this line"?
• How do I fix the "Unable to Activate eSIM" error or setup failures?
• What should I do if I get an "eSIM cannot be added" or "Unsupported eSIM" error?
• How do I change the phone number registered for texting with the RCS feature?