Vivo X21 Official Firmware Update

Download Vivo X21 in-display fingerprint smartphone official stock rom update from the link below and follow the instructions after download link to learn how to flash.

This firmware file is for all the variants of Vivo X21, which include X21A, X21, X21UD A, and X21UD.

The firmware is a card brush package. Which means it can only be flashed from your phone’s storage  (sdcard).

If you don’t know how to flash or install the firmware from your sdcard, after downloading the firmware from the link below scroll down to find flashing instructions.

Download Options

SDcard upgrades
BuildUpdate LinkSize
PD1728_A_1.20.17Download2.4 GB
PD1728F_EX_A_1.10.3Download2.5 GB
Flashtool firmware
BuildFile linkSize
PD1728F_EX_A_1.6.18Download3.3 GB
Flashing Instructions

How to flash Vivo firmware update

  • Download the the firmware from above link
  • Copy the downloaded file to the internal storage of your phone
  • Power off and reboot the phone to recovery mode (volume down + Power button).
  • Once the recovery screen shows up, select Apply update from sdcard
  • Select the file you have downloaded. The flashing process should now commence.
  • Wait patiently for it to complete and do not interrupt.
  • Once flashing is complete, from recovery screen select reboot system now
  • First boot usually takes a while, so be patient while it boots up.
  • Done!


  1. Matthew Mazzatenta March 26, 2019
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  2. Роман December 12, 2018
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  3. Роман December 11, 2018
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  4. chin November 25, 2018
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          • Collins Edim January 16, 2019
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          • Collins Edim August 23, 2018

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