Ensure you have a stable internet connection.
Resolving connectivity issues with Wi-Fi or 4G LTE. 2. Official Method: Over-the-Air (OTA) Updates sunmi v2 pro firmware download upd
Share your experience in the comments below (or on the Sunmi Developer Forum) to help others. Ensure you have a stable internet connection
Contact Sunmi technical support with your device's SN (Serial Number) to receive the specific firmware package for your hardware revision. Tools Needed: sunmi v2 pro firmware download upd