Vivo Y21A V2149 Firmware Flash File downgrade/upgrade

Download Stock Firmware Flash File for Vivo Y21A V2149:

Official Stock Firmware Now available for the Vivo Y21A V2149 & You can download it from below. by using this firmware you can solve all software Issues with in your Vivo Y21A V2149 such as hang logo, frp lock, fastboot Mode, display blank or white after flash, dead recovery, dead after flash etc.

Vivo Y21A V2149 Run on Android 11 and it is Powered by Mediatek Processor. it is a dual SIM smartphone Support nano SIM card, connectivity features Include hotspot, GPS, WIFI & bluetooth. The device come with 4GB of RAM & 64GB of Storage that can be expandable via SD card.

Pre-Requirement’s

  • backup NVRAM using this guide
  • make a complete backup of your device
  • charge the device at least 50% to prevent accidental shut down during the process

Note:

  • disable auth by following this Guide Win / Linux (optional if any error)
  • The firmware is for Repairing purpose only, You have to manage risk accordingly
  • downgrade via flash tools work’s on Most of devices but I don’t know about this device
  • a customized MTK DA file is Require to bypass ‘Download agent Authentication‘ you can Search our site for custom DA file

Firmware Information:

Device Name: Vivo Y21A V2149
Type: Full ROM
Size: up to 5-6GB
SoC: Mediatek
Os: Android 11
Password: Null
Gapps: Included
Root access: Not
Firmware Version: PD2139JF_EX_A_11.0.2.6.W30.V000L1_vivo_mtk_alps-release-r0.mp1-pre4.1

Download Links:

EDL Firmware:
full firmware to Reinstall board software (only for dead and bootloop devices)

  • PD2139JF_EX_A_11.0.2.6.W30.V000L1: Download

How to Install Stock Firmware on Vivo Y21A V2149:

  • Download & Extract firmware on your computer
  • Install Mediatek VCOM driver on Your computer
  • disable SLA auth by following this Guide Win / Linux
  • Download & Extract smartphone flash tools on your computer
  • from the flash tool folder Run flash_tool.exe

  • Go to Download tab Click Scatter and load scatter file from ROM folder
  • Repeat Process and load DA & Auth file too

  • on SP flash tool Setup Connection Like below Images
  • Click Options > Options > connection and make the settings as in the screenshot (UART connection mode)

  • select Download only. Click Download
  • connect Your switched off Phone to computer by using usb cable (USB +Volume up and down key) (make sure all driver are installed, if no usb VCOM device then you have to do test point)

  • flashing Process started. once done, unplug device & switch it ON
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