iQOO Z3 October 2021 Security Patch
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iQOO Z3 5G: October 2021 Security Patch

iQOO Z3 5G Software Update:

A sub-brand of Vivo, iQOO Z3 5G has received its software update with October 2021 Security Patch. The October Patch brings to you a whole range of updates, with system optimization and high-end security upgrade on Android 11, with its build number PD2073F_EX_A_1.78.0.

Stirring news for all iQOO Z3 smartphone users !!

iQOO Z3 was released on 8th of June 2021, with Android 11 out-of-the-box.

The October Security Patch aims towards improving the security details, optimizing system stability, fixing screen flickering, improving network stability and optimizing facial recognition.

Update Details

  • Device: iQOO Z3 5G
  • Android: Android 11
  • Ui: FuntouchOS 11
  • Build Number: PD2073F_EX_A_1.78.5
  • Update type: Security Update / Software Update
  • Region: India
  • Android Security Update: October 2021
  • Update Size: 206.79 MB
iQOO Z3 October 2021 Security Patch - 1

Source: YouTube User

Official Changelog


  • Updated to the October 2021 Google Security Patch to improve system Security.
  • Fixed the occasional issue where the screen flickered in some scenarios.
  • Optimized the operating performance of the system to make it run more smoothly and steadily.

Home Screen

  • Optimized system stability when on the home screen.


  • Improved the stability of personal hotspot connections in some scenarios.
  • Optimized the stability of Bluetooth and Wi-Fi Connections.

Facial Recognition

  • Optimized the facial recognition mechanism to improve the efficiency of facial recognition.

How long did it take for major update chart/ table ?

Android 11Out-of-the-boxJune 8th, 2021NIL
Android 12First OS Update
Android 13Second OS UpdateSoon
iQOO Z3 – Android Roadmap

How long will it get updates ?

Vivo iQOO Z3 was released in India on June 8th, 2021 with Android 11 Out-of-the-box.

As stated earlier, it has released its October Security Patch with Android 11, with some high-end improvements for Vivo iQOO Z3 smartphones users.

Related: Vivo Android 12 –>> update list

  • Out-of-the-box : Android 11
  • First OS Update: Android 12 [coming soon]
  • Second OS Update: Android 13 [expected]

How to install the lastest update on your iQOO Z3 device ?

Installing this update is easy as pie. Once the update is available on your device, just follow these simple steps:

  • Open Settings
  • Go to About Phone
  • Software Update
  • Download and Install


  • This Update does not delete or modify your usage data.
  • The system upgrade does not occupy the phone memory space and does not affect the running speed of the phone.
  • During the upgrade process, the temperature of the phone will rise slightly for a short time, and will return to normal after the upgrade is completed.

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