Internet and Data Issues

If you are experiencing Internet and Data Issues, try these steps:

  • Restart your device (turn off and back on)
  • Check that device has at least 2 signal bars. If not, see the No Service or Signal Issues FAQ
  • Ensure Airplane mode is off.
  • Ensure Data Roaming is turn on if you are outside the Optimum Mobile Coverage Area. Check to see if you are currently in a covered Zip Code.
  • Ensure Wi-Fi is turned off and you are using Optimum Mobile Data.
  • If these steps did not resolve the Internet and Data Issues, proceed with the troubleshooting steps below.

Additional Troubleshooting:

  1. In device settings ​set the Network Mode to 4G/LTE/5G or Auto mode.
  2. Delete the cache, cookies, and history in your browser.
  3. Uninstall and recently installed apps such as 3rd party browsers, battery savers, launchers/home screen apps to verify if issue related to a new app installed.
  4. Android devices:
    • Wipe the cache partition.
    • Turn on data connection or packet data settings. If it's already on, toggle it off and back on.
    • Turn off Data Usage Limit or Data Limit.
  5. Apple devices:
    • Reset network settings in Settings > General > Reset > Reset Network Settings.
    • Verify the Optimum Mobile Carrier Settings are up-to-date in Settings > Cellular > Carrier Services
  6. Update the device software to the latest version using Wi-Fi, if possible.
  7. Turn off any VPN settings or apps.
  8. Remove the battery, and re-insert it. If you don't have a removable battery, press and hold the power and volume down buttons until it resets.
  9. Turn on the device and test your internet.

If issue persists after following steps above:

  • Please contact our Customer Service Agents for additional assistance.
  • Before contacting us, document 2 examples of the issue that includes:
    • Date & Time
    • Location of device (specific street address)
    • Network Connected to (Optimum 5G, Optimum LTE, Optimum WiFi, etc.)
    • Signal Strength (0-4 Bars)
    • Device Make & Model
    • Device Software Version/Baseband