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OWNER ANSWER

BYD app not working? Owner-tested UK checks

If the BYD app stops responding or shows an old status, first check your phone’s internet connection, then close and reopen the app. If the vehicle is missing altogether, check the account email and ask the supplying retailer to confirm the owner link.

BYD mobile app troubleshooting illustration.
  1. Open a normal website on the phone using mobile data or Wi-Fi.
  2. Close the BYD app fully and open it again.
  3. Check that you are signed in with the email address registered for the car.
  4. Install any BYD app update offered by the official app store. Safety note: Keep the physical key available. Wait until any OTA installation has finished before restarting the display; interrupting it can leave the update incomplete. These checks do not need a factory reset or a battery disconnection.
  5. On Android, try Clear cache if the app still fails. This removes temporary files; Clear storage/data deletes app data and can remove settings or sign-in details.
  6. If several in-car online services also fail, check the parked car’s connection. Once any OTA installation has finished, try the normal display restart documented for that exact model and let its data connection return before refreshing the app.

What the result tells you

If websites work but the app alone fails, focus on the app or account. If the vehicle has never appeared, or you see a binding or authorisation error, the retailer or BYD support needs to check the owner record. A screen restart cannot transfer ownership or activate cloud service.

If that did not work

If the app still fails after these checks, contact BYD support with the exact app error and the results. For a missing or wrongly linked vehicle, ask the supplying retailer to check cloud activation and the email attached to the vehicle.

What to note down for support: The app error, last successful status time, vehicle shown, phone/app versions and complete vehicle software version help support distinguish a stale connection from an account problem. Send vehicle and account identifiers privately.

Related links

Source: BYD Europe official source · Exact vehicle handbook (BYD UK) · Android cache and storage. Checked 22 October 2026.

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