Flashing your HTC Desire 820 Dual SIM (Model: 0PFJ100 D820U) from an SD card is a relatively simple process, but it's important to follow the steps carefully to ensure success. Whether you're looking to restore your device to its stock settings or you’ve encountered a system issue that needs flashing, this guide will walk you through everything you need to do.
Why Flashing Is Important for Your HTC Desire 820?
Flashing the stock ROM on your HTC Desire 820 is often necessary to fix software issues, unroot the device, or restore factory settings. In this guide, we’ll show you how to do this using an SD card—one of the easiest and safest methods available. This process will also allow you to update or repair the firmware without requiring a computer connection during the flashing itself.
What You Need for the Flashing Process
Before proceeding with the flashing process, make sure you have the following:
- HTC Desire 820 Dual SIM device – Ensure your device is charged to at least 50% to avoid interruptions during the process.
- HTC Desire 820 Stock ROM Firmware – Download the appropriate ROM for your device, which should be in the following format:
- Model: A51_DTUL
- Build: 1.13.720.2
- CID: HTC__038
- HBoot: 3.19.0.0000
- MID: 0PFJ10000
- Security: ON
- Region: ASIA_INDIA
- SD Card (4GB minimum) – Use a good quality SD card for better performance and reliability.
- Card Reader – This is used to transfer the Stock ROM to the SD card.
- A Computer or Laptop – For formatting the SD card and copying the Stock ROM to it.
Step-by-Step Guide to Flash HTC Desire 820 Dual SIM
1. Download the Stock ROM
Start by downloading the 0PFJIMG_A51_DTUL_K44_DESIRE_SENSE60_hTC_Asia_India_1.22.720.1_Radio_01.01.010_U1030481_08.01.41119_release_407651_combined_signed.zip file from the provided link. If you encounter any errors with the link, feel free to leave a comment below, and I’ll assist in providing an updated one.
2. Rename the Stock ROM
Once you’ve downloaded the ROM, rename the file to 0PFJIMG.zip. This is the format your HTC device will recognize during the flashing process.
3. Prepare Your SD Card
- Insert the SD card into your computer or laptop.
- Format the SD card to FAT32. Ensure the SD card is completely clean and ready to receive the firmware.
4. Copy the ROM to the SD Card
- Copy the renamed 0PFJIMG.zip file to the root directory of the SD card (don’t place it inside any folders).
5. Insert the SD Card into Your HTC Desire 820
- Carefully insert the SD card back into your HTC Desire 820.
6. Boot into Bootloader Mode
- To begin the flashing process, turn off your HTC Desire 820.
- Press and hold the Volume Up and Power buttons simultaneously. Hold them until the bootloader screen appears.
7. Start the Flashing Process
- Once you’re in the bootloader mode, your device will automatically start the flashing process.
- Important: Do not press the power button while the device is flashing. Let the process complete without interruption.
8. Wait for the Process to Finish
- This process may take some time. Be patient and wait for the device to complete the flashing.
- Once finished, your HTC Desire 820 will automatically reboot.
9. Congratulations!
- After the reboot, your HTC Desire 820 should now be running the stock firmware, and all issues related to the previous system may be resolved.
Troubleshooting Tips
- Device not detecting the SD card: Double-check that the SD card is formatted correctly to FAT32 and contains the renamed 0PFJIMG.zip file.
- Flashing process fails: Ensure that your device has enough battery (at least 50%) and the correct firmware for your region and model. If the process halts unexpectedly, retry by restarting the phone and following the steps again.
- Screen remains black after flashing: This can happen if the process was interrupted. Try repeating the procedure or consult with an expert for further guidance.
Conclusion
Flashing your HTC Desire 820 Dual SIM from an SD card is an easy and effective way to restore your device, fix software issues, or update your firmware. Just remember to follow the steps carefully, use the correct Stock ROM, and ensure that your device is adequately prepared before starting the flashing process.
Feel free to share this guide with others who may be struggling with flashing their HTC devices. If you have any questions or encounter issues, don't hesitate to reach out in the comments below!