The product cannot be updated. How can I fix this?

If the device's online upgrade failed halfway through, or the software is still the original version after the update, note down the product's Bluetooth name, then plug the product into a phone charger, and connect to the device's WiFi using your phone or computer (the WiFi name matches the Bluetooth name shown on the product's main screen, and the password is 88888888). After connecting successfully, enter 192.168.1.101 in the browser of your phone or computer to open the device's admin management page, tap “Update” again and wait for it to complete.

Kind reminder: During the upgrade, please make sure the device stays powered on. Do not operate the phone, and avoid locking the screen or exiting the upgrade page; otherwise you may need to upgrade again.