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Yoshimar Ochoa
Yoshimar Ochoa

Fixing error sahara_download()- io error in QFIL: A Step-by-Step Guide


Error sahara_download()- io error: What it is and how to fix it




Introduction




If you are trying to flash a Qualcomm-based Android device using Qualcomm Flash Image Loader (QFIL), you might encounter an error message that says "Download Fail:Sahara Fail: QSaharaServer Fail: Process fail". This is also known as error sahara_download()- io error and it can be very frustrating when you want to update or restore your device. But don't worry, in this article, we will explain what this error means, what causes it, and how to fix it with six easy methods.




error sahara_download()- io error



What is error sahara_download()- io error?




Error sahara_download()- io error is a common problem that occurs when QFIL fails to download the flash programmer file using the Sahara protocol. The flash programmer file is a binary file that contains the instructions for flashing the device. The Sahara protocol is a communication protocol that allows QFIL to communicate with the device in Emergency Download Mode (EDL) / Qualcomm HS-USB QDLoader 9008 mode. EDL mode is a special mode that allows the device to be flashed even if it is bricked or has no operating system.


What causes error sahara_download()- io error?




There are several possible reasons why you might get this error when using QFIL. Some of them are:


  • Incompatible firmware: If you are trying to flash a firmware that is not compatible with your device model or variant, you might get this error. For example, if you are trying to flash a firmware for a different region or carrier than your device.



  • Old QFIL version: If you are using an outdated version of QFIL that does not support your device or firmware, you might get this error. For example, if you are trying to flash a newer firmware with an older QFIL.



  • QFIL standalone: If you are using QFIL standalone, which is a version of QFIL that does not require installation, you might get this error. This is because QFIL standalone might not have all the necessary drivers or files for flashing your device.



  • Incompatible programmer file: If you are using a programmer file that does not match your device or firmware, you might get this error. For example, if you are using a programmer file for a different chipset or model than your device.



  • Space in file path: If there is any space in the file path of your firmware or QFIL, you might get this error. For example, if your firmware folder is named "QFIL Qualcomm" instead of "QFIL_Qualcomm".



  • Entering EDL too early: If you enter EDL mode too early before flashing, you might get this error due to timeout. For example, if you put your device into EDL mode and then wait for a long time before clicking Download in QFIL.



How to fix error sahara_download()- io error




Now that you know what causes this error, let's see how to fix it with six easy methods. You can try any of these methods until you find the one that works for you.


Method 1: Use compatible firmware




The first and most important thing to do is to make sure that you are using a compatible firmware for your device. You can check the model number, variant, region, and carrier of your device and compare it with the firmware information. You can also download the firmware from a reliable source, such as the official website of the device manufacturer or a reputable forum. You can also use a tool like QFIL Firmware Extractor to extract the firmware files from a zip or an exe file. If you are not sure about the compatibility of your firmware, you can ask for help from other users who have the same device or firmware.


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Method 2: Use the latest version of QFIL




The next thing to do is to update your QFIL to the latest version available. You can download the latest version of QFIL from the official website of Qualcomm or from a trusted third-party website. The latest version of QFIL might have better compatibility and performance than the older versions. You can also uninstall and reinstall QFIL to make sure that it is properly installed and configured.


Method 3: Use QFIL with QPST




Another thing to try is to use QFIL with QPST, which is a suite of tools that includes QFIL and other utilities for flashing Qualcomm devices. You can download QPST from the official website of Qualcomm or from a reliable third-party website. QPST might have more features and options than QFIL standalone, such as selecting different ports, modes, and configurations. You can also install the necessary drivers and files for your device using QPST.


Method 4: Try different programmer files




Sometimes, the problem might be caused by the programmer file that you are using. The programmer file is a binary file that contains the instructions for flashing the device. You can find the programmer file in the firmware folder, usually named as prog_emmc_firehose_xxxx.mbn or prog_ufs_firehose_xxxx.mbn, where xxxx is the chipset number of your device. You can try using different programmer files that match your device or firmware, such as from a different region, variant, or version. You can also download programmer files from online sources, such as forums or websites. However, be careful when using programmer files from unknown sources, as they might be corrupted or malicious.


Method 5: Avoid space in file path




A simple but effective solution is to avoid any space in the file path of your firmware or QFIL. For example, if your firmware folder is named "QFIL Qualcomm" instead of "QFIL_Qualcomm", you might get this error. This is because QFIL might not be able to read or write the files correctly if there is any space in the file path. You can rename your firmware folder or move it to a different location that does not have any space in the file path. You can also rename or move your QFIL folder if it has any space in the file path.


Method 6: Enter EDL mode just before flashing




The last method to try is to enter EDL mode just before flashing, instead of entering it too early or too late. EDL mode is a special mode that allows the device to be flashed even if it is bricked or has no operating system. You can enter EDL mode by using a special cable, a test point, or a key combination, depending on your device model and variant. You can find more information about how to enter EDL mode for your device online, such as on forums or websites. Once you enter EDL mode, you should see your device detected as Qualcomm HS-USB QDLoader 9008 in Device Manager on your computer. Then, you can open QFIL and click Download to start flashing your device.


Conclusion




Error sahara_download()- io error is a common problem that occurs when QFIL fails to download the flash programmer file using the Sahara protocol. It can be caused by various reasons, such as incompatible firmware, old QFIL version, QFIL standalone, incompatible programmer file, space in file path, or entering EDL too early. However, you can fix this error with six easy methods: use c


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