Groups dedicated to "Infinix GSM" or "MTK Repair" often share Google Drive links to DA Auth collections. These can contain malware. Always scan files with VirusTotal.
| Issue | Likely Cause | Solution | | :--- | :--- | :--- | | “Download DA fail” after loading auth file | DA file is corrupted or wrong chipset | Re-download from trusted source. Verify chipset (e.g., Helio G80 vs G85). | | SP Flash Tool crashes when loading auth file | Tool version too old | Upgrade to SP Flash Tool v5.2152+ or v6.x. | | Auth file loads but flash stops at 4% | Preloader write attempt without rights | Use “Download Only” mode. Do not check “Preloader”. | | Phone disconnects mid-flash | USB cable or driver drop | Use original USB cable. Reinstall Mediatek USB VCOM drivers. | | “Auth file expired” | Leaked file with time bomb | Use a subscription-based tool with real-time auth. | Infinix MTK DA Auth File