Q:  Why is there a red flap on Optimus Prime in some video and missing on others?

A:  You can manually remove the red flap, but you will need to keep it safe somewhere so that you don't lose it.  Removal of the red flap does not affect operation of the robot.

Q:  Can you replace the battery of Optimus Prime?

A:  The battery can not be easily swapped out and replace.

Q: The robot is malfunctioning. 

A: ① Ensure the robot is sufficiently charged. 

② Turn off and restart the robot. 

Contact customer service for additional help. 

Q: Robot is unresponsive using Voice Command.

A: ① Ensure the robot is disconnected from the App.

② Ensure you are in a quiet setting with minimal background noise. 

③ Use the preset Voice Commands to control your robot. 


Q: The robot can’t keep its balance when it is walking or doing other actions.

A: ① Ensure the robot is on a smooth flat surface. Robot will not function properly on an uneven or bumpy surface.

Q: App cannot connect to the robot.

A: ① Ensure the robot is sufficiently charged and turned on. 

② Ensure Bluetooth is enabled on your smart phone/tablet. 

③ Ensure your device permissions are enabled for the robot on your device. 

④ Ensure only one device is connected to the robot. Disconnect the robot from any other smart phone/tablet you are not using.  

Q: The robot does not power on.

A: ① Press and hold the power button until T9 says “Hello Humanity.”

② Ensure the Robot is sufficiently charged. Charge the robot fully and power on. 


Q: The robot still shows low battery after charging for a long time.

A: ① Ensure both ends of the charging cable are properly plugged in.

② Ensure the headlights blink continuously when charging. 

Q: I can't find the T9 App.

A: ① You can download the Android app here at this link: https://play.google.com/store/apps/details?id=com.senpower.TNine

② You can download the IOS app here at this link: https://apps.apple.com/us/app/t-nine/id1465078867