Dear Sir/Madam Thanks for writing us in Forum, Kindly provide us with below details for investigating the issue by writing an email to "cx@my-fobo.com" :  1. What is your email account that you logged-in for FOBO Bike 2 App now? (It is available on top of the user's profile page)  2. Send us a screenshot/photo of the tire sensor page/status in FOBO Bike 2 App 3. Send us a screenshot of the error message have you received during reinstalling/pairing sensors IF you haven't installed yet. (Ensure sensor’s batteries are new with 3v and above) 4. Send us a log files of your Bike's profile by going into User's profile page then scroll down and tap “Save and Send Log” button and email to "cx@my-fobo.com" 5. Share with us an invoice copy of your purchase  We look forward to serving you better.  Best Regards Amir Bayati Customer Experience | Salutica Allied Solutions Sdn. Bhd. (a subsidiary of Salutica Berhad) 3 Jalan Zarib 6, Kawasan Perindustrian Zarib, 31500 Lahat, Ipoh, Perak, Malaysia M  +6016 787 3175 | my-fobo.salutica.com.my