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How to Upgrade or Downgrade your Lenovo ZUK Z1 with Stock ROM (Flash File)



Official Lenovo ZUK Z1 Stock Rom: How to Download and Flash It on Your Device




The Lenovo ZUK Z1 is a popular smartphone that was launched in 2015 with Android 5.1.1 Lollipop as its operating system. The device features a 5.5-inch display, a Snapdragon 801 processor, 3GB of RAM, 64GB of internal storage, a 13MP rear camera, an 8MP front camera, and a 4100mAh battery.




Official Lenovo ZUK Z1 Stock Rom



If you own a Lenovo ZUK Z1 and you want to restore it to its original condition, you might be interested in flashing or installing the official stock firmware on your device. The official stock firmware, also known as stock ROM, is the software that comes pre-installed on your phone when you buy it from the manufacturer. It contains the operating system, drivers, apps, and settings that make your phone work properly.


There are many benefits of flashing or installing the official stock firmware on your Lenovo ZUK Z1, such as:


  • Updating or downgrading your phone's software version.



  • Fixing any software issues, such as bootloop, IMEI issue, or dead issue.



  • Restoring your phone to its factory settings.



  • Unrooting your phone or removing any custom ROMs.



  • Improving your phone's performance and stability.



In this article, we will show you how to download and flash or install the official stock firmware on your Lenovo ZUK Z1 using two different methods: Lenovo Downloader and QPST Tool. We will also give you some tips and precautions before you proceed with the flashing or installing process.


How to Download Official Lenovo ZUK Z1 Stock Rom




The first step to flash or install the official stock firmware on your Lenovo ZUK Z1 is to download the appropriate stock ROM file for your device. There are two versions of the official stock firmware for the Lenovo ZUK Z1: one is based on Android 5.1.1 Lollipop and the other is based on CyanogenMod 12.1 (Android 5.1.1 Lollipop).


You can download the official stock firmware for your Lenovo ZUK Z1 from the links below:


  • Lenovo_ZUK_Z1_7DF.zip (Android 5.1.1 Lollipop)



  • Lenovo_ZUK_Z1_CM-12.1_YOG4PAS9IG.zip (CyanogenMod 12.1)



The stock firmware files come in a zip package that contains the flash file, flash tool, USB driver, and how-to flash manual. You will need to extract the zip package on your computer using a tool like WinRAR or 7-Zip.


How to Flash Official Lenovo ZUK Z1 Stock Rom Using Lenovo Downloader




The second step to flash or install the official stock firmware on your Lenovo ZUK Z1 is to use a flash tool that can communicate with your device and transfer the firmware file to it. One of the flash tools that you can use is Lenovo Downloader, which is a small application that allows you to flash stock firmware on Qualcomm devices.


To use Lenovo Downloader to flash official stock firmware on your Lenovo ZUK Z1, follow these steps:


  • Download and install the Lenovo Downloader application on your computer.



  • Download and install the Qualcomm USB Driver on your computer (if you already have it installed, then skip this step).



  • Power off your Lenovo ZUK Z1 and connect it to your computer using a USB cable.



  • Run the Lenovo Downloader application on your computer and click on the gear icon to browse for the stock firmware file that you extracted earlier.



  • Click on the play button to start the flashing process and wait for it to complete.



  • Once the flashing process is done, disconnect your device from your computer and reboot it.



Congratulations! You have successfully flashed or installed the official stock firmware on your Lenovo ZUK Z1 using Lenovo Downloader.


How to Flash Official Lenovo ZUK Z1 Stock Rom Using QPST Tool




The third step to flash or install the official stock firmware on your Lenovo ZUK Z1 is to use another flash tool that can communicate with your device and transfer the firmware file to it. Another flash tool that you can use is QPST Tool, which is a collection of tools that allows you to flash stock firmware on Qualcomm devices.


To use QPST Tool to flash official stock firmware on your Lenovo ZUK Z1, follow these steps:


  • Download and install the QPST Tool on your computer.



  • Download and install the Qualcomm USB Driver on your computer (if you already have it installed, then skip this step).



  • Power off your Lenovo ZUK Z1 and connect it to your computer using a USB cable while holding the Volume Up button.



  • Run the QPST Tool application on your computer and click on Add new port (check device manager) to select the port number of your device.



  • Click on Load XML and browse for rawprogram_unsparse.xml in Stock ROM file folder.



  • Click on Load Patch and browse for patch0.xml in Stock ROM file folder.



  • Select Download from drop down menu and click on Download button to start the flashing process and wait for it to complete.



  • Once the flashing process is done, disconnect your device from your computer and reboot it.



Congratulations! You have successfully flashed or installed the official stock firmware on your Lenovo ZUK Z1 using QPST Tool.


Tips and Precautions Before Flashing Official Lenovo ZUK Z1 Stock Rom




Before you proceed with flashing or installing the official stock firmware on your Lenovo ZUK Z1, here are some tips and precautions that you should keep in mind:


  • Make sure that your device has at least 50% battery charge before flashing or installing the stock firmware.



  • Make sure that you have backed up all your important data such as contacts, messages, photos, videos, etc. before flashing or installing the stock firmware as it will erase everything from your device.



  • Make sure that you download the correct stock firmware version for your device model and region as flashing or installing an incompatible firmware may brick your device.



  • Make sure that you follow the steps carefully and do not skip any step as it may cause errors or damage to your device.



  • If you encounter any problem during or after flashing or installing the stock firmware, such as bootloop, stuck at logo, IMEI issue, etc., try flashing or installing another version of stock firmware or use another flash tool.



Conclusion




In this article, we have shown you how to download and flash or install official stock firmware on your Lenovo ZUK Z1 using two different methods: Lenovo Downloader and QPST Tool. We have also given you some tips and precautions before you proceed with flashing or installing process. We hope that this article has helped you learn more about official stock firmware for Lenovo ZUK Z1 and how to use it effectively.


If you have any questions or feedback regarding this article, feel free to leave a comment below. We would love to hear from you! 4e3182286b


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