Realme C2 RMX1941 Download Not Completed Error Fix | Oppo_Custom.bin Solution

If you’re flashing Realme C2 RMX1941 and facing the dreaded “Download not completed” error in SP Flash Tool, you’re not alone. This issue often appears when trying to flash the Oppo_Custom.bin file or when using an incorrect firmware package. In this guide, we’ll walk you through a 100% working solution to fix this flashing error safely and effectively.

What Causes the “Download Not Completed” Error?

This problem usually occurs due to one or more of the following reasons:

• Wrong or corrupted firmware file
• Incompatible scatter file or missing Oppo_Custom.bin
• Firmware security check mismatch (MDM/KG Lock enabled)
• Faulty USB cable or unstable connection
• Outdated SP Flash Tool version

When the Oppo_Custom.bin fails to flash, the process halts midway, showing the “Download not completed” error message — especially common on MTK-based Realme C2 (RMX1941) devices.

Step-by-Step Fix for Realme C2 RMX1941 Error

1. Use Official or Tested Firmware

• Download the official Realme C2 RMX1941 firmware only from trusted sources like MobiFirms.com.
• Ensure the package includes the Oppo_Custom.bin file inside the firmware directory.
• Extract the firmware completely using WinRAR or 7Zip.

2. Update SP Flash Tool

• Use the latest version of SP Flash Tool (v5.2124 or higher).
• Older versions often fail to recognize MT6762 partitions properly.

3. Uncheck Oppo_Custom.bin Temporarily

• If the flashing fails at Oppo_Custom.bin, try unchecking that file in SP Flash Tool and flash the rest of the partitions.
• Once done, flash Oppo_Custom.bin separately using the “Download Only” option.

4. Fix MDM or KG Lock Issues

• If the device has KG Locked or MDM protection, you must first use a Fixed Firmware or KG Unlock File from MobiFirms.
• These files are specially patched to bypass secure boot verification.

5. Use Correct DA and Auth Files

• Always load the correct Download Agent (DA) and Authentication File (auth) specific to the Realme C2.
• Wrong DA/Auth files can also trigger the same “Download not completed” issue.

Pro Tips

• Use a short original USB cable and connect directly to the PC’s rear port.
• Disable antivirus before flashing to avoid DA file blocking.
• Always perform a Format + Download only if IMEI backup is taken.

Final Thoughts

By following these steps, you can easily fix the Realme C2 RMX1941 Download not completed error and flash the firmware successfully. Remember — always use tested firmware and tools from trusted sources like MobiFirms.com to avoid soft-bricking your device.

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