Install/ Update Vivo NEX Dual Display PD1821 to Android 9 Pie Stock ROM Firmware

Ramandeep Singh April 23, 2020Last Updated: April 23, 2020

572 5 minutes read

If you were waiting for the arrival of Android 9 Pie on your Vivo NEX Dual Display PD1821, then here is a piece of good news. Those who were wondering to install the latest Stock ROM Firmware on your device, can now rejoice as they can flash the latest software on their device.

Vivo has officially released the Stock Android 9 Pie and FuntouchOS Custom Skin for the Vivo NEX Dual Display PD1821. The Android 9 Pie is latest, and predecessor to the about to be released, Android 9.0 Pie software. The Official Oreo Firmware comes with the various Bug fixes, Security patches, and improve the overall stability of the device.

So, if you own a Vivo NEX Dual Display PD1821, you can install the latest update for your device, which comes with PKQ1.181016.001, and is based on Android 9 Pie. The update often aims to increase system stability and increase the performance of the device, as well as adding new features.

Table of Contents

Vivo NEX Dual Display PD1821 Android 9 Pie OTA Firmware/ Flash File

All Vivo NEX Dual Display PD1821 owners may already receive the OTA update notification on their device. You might be already aware of the fact that the Android Team fixes the vulnerabilities found in the operating system from time to time, and releases the updates in a timely manner. The OEMs, then push the Security Updates with patched/ fixed Android vulnerabilities in the form of OTA and Stock ROM updates. Updating your smartphone through OTA Firmware update does not delete the data.

In the below guide, we will be guiding you step by step process to flash/ install the latest PKQ1.181016.001 Android 9 Pie on Vivo NEX Dual Display PD1821. The download link for this Stock ROM has been added to the pre-requisite section. You can simply flash the Stock Firmware .pac file manually through QPST Flash Tool if you have not received it through the OTA update.

Firmware Details:

Android Version: Android 9 Pie

UI Version: FuntouchOS

Firmware Versions: PD1821_A_1.21.10_LA.UM.7.3.r1-02500

Model: Vivo NEX Dual Display PD1821

Release Date: 2020

Android security patch level: 2020

Country: India, China

Status: – Official

Disclaimer: AndroidWeblog.com covers although everything in a very neat and a processed manner so that our readers get exactly what they want, still there are meager chances of basic issues that may arise out of the listed steps here. Hence it is in the sole interest of the user to follow the steps very cautiously to stay away from any mishappenings with your device.

Updating or flashing the Stock ROM firmware or Custom ROM firmware updates certainly without any doubt comes with risk to brick devices. If you brick the device, while upgrading the firmware of your smartphone, then kindly be in touch with the Official Service center of Lenovo near your location. AndroidWeblog.com in no way will be held responsible for warranty void or your bricked device.

Prerequisite

Ensure to check your model number, which must be:

Vivo NEX Dual Display PD1821

You must have to ensure that before updating your phone, you have read thoroughly the disclaimer and you agree to proceed further on your risk.

Phone Should be Charged

Your phone must be 70% charged at least else, it may lead to complications sometimes while experimenting. Why take risks, try to charge it fully.

Back-Up

If you are updating your phone to Stock ROM or Custom ROM firmware, then, it is a good habit to make a back up of your phone. Make a back up of all your media like images, videos, and all on your PC and your contacts on Cloud.

Enable USB Debugging

You must enable the USB debugging option by going into Settings, Applications, and Developer options.

Downloads For updating Vivo NEX Dual Display PD1821

Download Vivo USB Drivers here.

Download the Latest Version of the QPST/QFIL Tool from here.

Download PKQ1.181016.001 update for Vivo NEX Dual Display PD1821 based on Android 9 Pie from here.

Download Latest Qualcomm Drivers/ QDLoader HS USB Driver: 32-bit | 64-bit

How to update Vivo NEX Dual Display PD1821 to PKQ1.181016.001 Android 9 Pie via OTA (Over the air)

Note: For this method, you won’t need to download any file mentioned in the pre-requisite section of this article. You can directly follow the below steps, if you prefer the OTA method.

You can directly check the latest version of firmware/ software available for your device, Vivo NEX Dual Display PD1821 by navigating to:

Settings > About Device > Software Updates

When a new software update is available for your device, the notifications panel will display the software update message. Just you need to pull down the notification bar, and then press ‘Software Update’, and this will begin the upgrade process of device Vivo NEX Dual Display PD1821 to latest PKQ1.181016.001, based on Android 9 Pie.

If in-case you have not received the software update, then just follow the below guides, to flash firmware (.pac) manually through either below guide. No matter which method you prefer, however, OTA is a safer method to upgrade your device. But in case you prefer upgrading your device manually, then just carefully follow our below guide step by step.

How to Manually update Vivo NEX Dual Display PD1821 to PKQ1.181016.001 Android 9 Pie

Step 1: Below steps are compelled, assuming that you have already downloaded the QPST Tools, and the required drivers along with the Firmware (Stock ROM), as mentioned in the prerequisite section above. If you have down so already, then let’s proceed to the next step.

Step 2: Now extract the QFIL Tool zipped file into a folder, then navigate to the same folder. Now, run the file ‘QFIL’ tool from the extracted folder.

QFIL tool

Step 4: Then, simply click on the ‘Browse’ button, which is located under the ‘Select Programmer’ and right next to the ‘Programmer Path’, and then select the .mbn file from the folder where you have extracted the same.

Step 5: Once the ‘MBN’ file is selected, the Updated ROM or Stock ROM would be automatically selected.

Step 6: Now, it’s time to Load XML. For doing the same select the file rawprogram_unsparse_without_qcn.xml, followed by choosing the Patch0.xml.

You might have noticed at this stage that the ‘Load XML’ has the two options listed, which are described as follows:

Option A: rawprogram_unsparse_without_qcn.xml: When selecting this file, data would be retained and won’t be lost.

Option B: rawprogram_unsparse.xml : Selecting this option will lose the ‘RF Calibration data’, ‘IMEI’, and ‘WiFi/Bluetooth’ address.

Step 7: Now, just turn off the device. Then, connect the device to the computer, while pressing and holding the ‘Volume UP’ and ‘Volume Down’ keys simultaneously.

Step 8: Then, just click on the option ‘Select Port’ and then select the port. Now, simply click on ‘Download’, and that will begin flashing the firmware on your device.

Step 9: Now, it’s time to disconnect the device from the computer, unplug the USB cable when the ‘Finish Download’ dialog box appears on the screen.

Caution: Never unplug/ disconnect the USB Cable while status is ‘Waiting’ or ‘Reset Phone’ is in progress.

Congratulations, you have successfully flashed PKQ1.181016.001 Android 9 Pie on your Vivo NEX Dual Display PD1821 device. If you faced any issue while flashing, then do not hesitate to let’s know in the comments section below.