Oppo A77s finally launched in India as the latest mid-range smartphone is equipped with a Snapdragon 480 SoC, 8GB of RAM and 128GB of inbuilt storage. It sports a 6.56-inch LCD display with a 90Hz refresh rate and a 50 MP AI dual rear camera setup. The smartphone packs a 5,000mAh battery with support for 33W fast charging.

On this page, we will guide you on how to install the official stock ROM flash file on your Oppo A77s CPH2473. The device runs out of the box with Android 12.0, which the MediaTek Dimensity 920 processor powers. This guide will be helpful to unbrick or fix any software issues on your device.

To install the firmware flash file on Oppo A77s CPH2473, you need to download the SP Flash tool (also known as the Smartphone flash tool). This method is simple and easy. We have also added video and step-by-step tutorials to make flashing the firmware file easier.

Advantages of Stock ROM:

Here are the answers to why you need to download and save the Oppo A77s Stock ROM flash file on your computer.

  • If your device is dead, you can unbrick using the Stock ROM file
  • You can fix or repair the IMEI on your device using DB files from Stock ROM
  • Remove any malware or Adware from Oppo A77s
  • You can fix the boot loop issue on Oppo A77s
  • Fix Unfortunately, the app has stopped errors on Oppo A77s
  • Fix Network related issue
  • Patch Boot image to Root using Magisk: Mediatek Guide or Spreadtrum Guide
  • You can unroot Oppo A77s
  • To Reset or Remove FRP on your device: Mediatek FRP Guide or Spreadtrum FRP Guide
  • Restore Oppo A77s back to Factory State

How to Flash Oppo A77s CPH2473 Firmware File

Before installing the Stock ROM on your Oppo A77s, you should download the firmware flash file. Then download and install the USB Drivers and flash tool on the PC as well. Once you’re done with these, you can proceed to the steps below. But let’s take a quick look at the Stock Firmware importance and firmware details below.

Pre-Requirements:

  • Supported device: Oppo A77s CPH2473
  • Make sure to charge your device more than 50%
  • You need a PC or Laptop with a USB cable.
  • Take a complete backup of your android phone
  • Download Drivers and Tools: VCOM drivers, SP Flash Tool, and Oppo USB Drivers

Download Flash Files

Instructions to install:

Here is a detailed guide mentioned below which you can follow completely.

Method 1: Instructions to Install via Recovery:

First, you can try the official method to install the OTA stock ROM update via Oppo device recovery. Follow the guide link given below to install the OTA update on the Oppo device.

Guide to Install Oppo Firmware on any Oppo smartphone

Method 2: Instructions to Install via MSM Download Tool

Download MSM Download Tool and Qualcomm USB Drivers on your PC. Follow the below link to install the firmware using MSM Download tool

Flash Oppo Firmware via MSM download tool

Method 3: Instructions to Install: via SP Flash tool

Now, without wasting any more time, let’s jump into the firmware installation steps below:

You must first disable the SLA Authentication by following our guide (If not disabled, you may face errors such as a BROM error or Authorized account/ID requirement error)

  • Make sure you follow and download all the required files and flash tools on your PC.
  • Open the flash tool exe file to open the SP Flash Tool User Interface
  • Once your load the SP Flash tool UI, Tap on the Download option
  • In the download tab, you have to load both the download agent and the scatter text file in the scatter-loading section.
  • You will find the scatter text file inside the ROM package for most cases, if not, you can create a scatter text file on your own.
  • Once you load the file, click the Download button
  • To start the upgrade process of stock ROM on your Oppo A77s, you need to turn off your device and hold the Volume Down and Volume Up keys together and Connect your Phone to your PC/Laptop using a USB Cable (Keep the Volume Down and Volume Up button until your computer detects the phone.)
  • When the phone connects, your device will start upgrading the stock firmware
  • You need to wait for a few minutes to complete the upgrade process.
  • Once the flashing process completes, you will find a green button which means a successful upgrade.
  • That’s it! You can reboot your Oppo A77s

Follow our full-depth video guide below:

That’s it, guys. We hope that you’ve installed the Stock Firmware on your Oppo A77s CPH2473 device successfully. Feel free to ask in the comments below for any queries.