⚠️ Complete Firmware Restoration Solution (Unbrick/Upgrade/Factory Reset)
š± Device Identification:
- Model: X6837 (Confirm in Settings > About Phone)
- Key Feature: 6.78" 120Hz Display + 50MP Camera
- Warning: DO NOT use X6836 firmware on X6837 devices
š§ Pre-Flash Requirements:
| Tool | Version |
| SP Flash Tool | v5.2316 or newer |
| USB Drivers | MTK v1.0.8 |
| Firmware Size | ~3.1GB (compressed) |
| Battery | Minimum 60% charge |
⚙️ Firmware Details:
- Android Version: 13 (XOS 12.6)
- Chipset: MediaTek Helio G99
- Security Patch: April 2024
- Build Type: Signed Factory Image
š Step-by-Step Flashing:
- Download: Obtain X6837-specific firmware from Infinix authorized sources
- Prepare: - Extract files with 7-Zip - Install MTK Preloader drivers - Disable Windows driver signing
- Flash: - Open SP Flash Tool as Admin - Load scatter file (MT6789_Android_scatter.txt) - Select "Firmware Upgrade" mode - Connect powered-off device - Start flashing (5-8 minutes)
- Complete: First boot takes 10-15 minutes (normal)
š Post-Installation Checks:
- Verify IMEI (*#06#)
- Test 120Hz display refresh rate
- Check 50MP camera functionality
- Confirm JBL-tuned speaker output
⚠️ Critical Notes:
- Use only original USB cable
- Never interrupt flashing process
- Backup NVRAM data if possible
- "Format All" will erase FRP lock
š ️ Troubleshooting:
| Issue | Solution |
| BROM Error 4032 | Use USB 2.0 port + original cable |
| IMEI Lost | Restore from NV backup |
| Stuck on Logo | Format All + Download |
⚖️ Legal Disclaimer: This guide is for educational purposes. We don't distribute copyrighted firmware. Always use official Infinix sources. Flashing may void warranty in some regions.
š” Pro Tips:
- Calibrate battery after flashing (full charge/discharge cycle)
- Enable OEM Unlock in Developer Options first
- Wait 48hrs before rooting for system stability
Download the necessary Files Tools and Drivers:
MTK USB Drivers SP Flash Tool (with Auth Bypass) DA Auth File