A: Usually no – OTA updates preserve user data. However, major Android version upgrades (e.g., 8.1 to 9) or recovery-mode flashes may wipe /data. Always assume you will need to reinstall apps and take backups.
Before you click that “Update” button, run through this checklist to avoid a bricked terminal during business hours: sunmi v2 pro firmware download upd
There are three methods to update. We strongly recommend Method 1 (OTA) for most users. A: Usually no – OTA updates preserve user data
Yes. Use Method B (local update from internal storage) or enable automatic OTA in Settings > System > Advanced > Auto-update over Wi-Fi. There are three methods to update
Warning: Never download sunmi v2 pro firmware from third-party forums (e.g., 4shared, MediaFire, random GitHub repos). Many of these files contain malware or are for the Sunmi V2 (non-Pro), which bricks the V2 Pro.