上次更新时间:2026年3月25日 13:43
This guide provides the steps to fix the “REF Code 105-2” error, which will restore your device’s payment processing and ensure it meets Toast’s safety and security standards.
If your Toast device has stopped processing payments and you’re seeing a “REF Code 105-2” (REF 1052) error message on your screen, it means that your device requires a firmware update. To ensure that your device meets Toast’s safety and security standards, we highly recommend that you complete the following steps.
To update your Toast Flex firmware:
To update your Toast Go® 2 firmware,