If you notice a double charge on your Uber account, the fastest way to dispute it is directly through the Uber app. First, navigate to the "Activity" or "Trips" section and select the specific ride where the double charge occurred. Tap on "Help" and look for an option like "I was charged twice for this trip" or "I have a duplicate charge." You will be asked to provide details or a screenshot of your bank statement showing the two identical charges. It is important to check if one of the charges is actually a "Temporary Authorization Hold," which Uber often places on your card at the start of a ride to ensure funds are available; these usually disappear from your statement within a few business days. If the duplicate charge is a "final" transaction, Uber’s support team can usually verify the error and issue a refund to your original payment method or as Uber Credits within 24 to 48 hours. If the app does not resolve the issue, you can also contact them via help.uber.com or through their social media support channels.