Support SUPPORT New to T-Mobile? Switching is easy Set up your device Using the app Sprint Migration Center All get started topics Ways to pay your bill All about your bill Line permissions Your T-Mobile ID Your PIN/Passcode All account resources topics T-Mobile Network In-flight texting and Wi-Fi Wi-Fi Calling International roaming Mobile Without Borders All network & roaming topics Find the right plan Neftlix on Us HotSpot plans Voicemail Use Mobile HotSpot All plans support topics Tutorials Troubleshooting Unlock your device Change your SIM T-Mobile eSIM All device assistance topics Account Hub I-Billing Home Office Internet Collaborate Line permissions All business support topics

Learn how to insert and remove the battery on the Franklin T9 Mobile Hotspot.

On this page:



  1. Remove the back cover.
  2. Install the battery.
  3. Replace the back cover.



  1. Remove the back cover.
  2. Remove the current battery. Insert your fingernail into the curved slot to carefully lift out the battery.


Soft reset

Hold Power key for 10 seconds to restart the device. If this does not reset the device, remove the battery from the device and re-insert it.

  1. Open the Battery Cover and take out the battery.
  2. Reinstall the battery after 5 seconds.
  3. Put the battery cover back on.
  4. Turn on the T9 by pressing the battery cover.

Was this helpful?