Oppo A3S CPH1803EX Stock Firmware For QFIL Unbrick Fix bootloop

Official Firmware For Oppo A3S:

Official Firmware for the Oppo A3S is Now available for Download, In this article You will Learn How to Flash Oppo A3S using the QPST aka QFIl tools, it's a easy process and You can Do it using the below instructions.

You ca use Firmware file to unbrick Oppo A3S, to fix Software issue and in Development. The Oppo A3S is Run on Android 8.XX OS Powered by a Qualcomm Processor and it is also a Dual SIM smartphone with Good Software Specs. Follow below Guide to Install Stock ROM on Oppo A3S,
  • Follow the steps correctly otherwise you may brick your device. We are not responsible for any damage to your phone.
  • It will erase all your personal data including data of internal storage, so we advise you first to take a complete backup of your phone and then proceed.
  • Ensure that your phone has at least 50-60% charged to prevent the accidental shutdown in-between the process.
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How to Install official Firmware on Oppo A3S-
The Whole Process Complete In 2 Steps-
  • Driver Installation
  • Software Upgrade
Driver Installation-
1- Download and install Qualcomm driver. While installing driver avoid using cable for successful installation.

2- After installation, connect Phone to PC using USB cable.

3- While connecting to PC, phone should be switched off and press volume up & down as boot key.

4- If it makes Qualcomm port, then driver has been successfully installed.
Software Upgrade-
Step: 1- Download the QPST tool & driver and Rom File From above and extract in Folder,

Step: 2- Make sure your device has the Power to support flashing.

Step: 3- Run QFIL tool.Rom Extract folder,

Step: 4- Click on Browse under the Programmer path to select MBN File.

Step: 5- As soon as the MBN file is selected, Select Build will automatically select the Update or Stock ROM.
Step: 6- Click on Load XML, select rawprogram_unsparse_without_qcn.xml and then choose Patch0.xml
Load XML comes with two option:
a- rawprogram_unsparse_without_qcn.xml : On choosing this file, data will not be lost.
b- rawprogram_unsparse.xml : Will lose RF Calibration data, IMEI and WiFi/Bluetooth Address.
Step: 7- Switch off the device and connect it to PC by pressing Volume up & down key.

Step: 8- Click on Select Port and choose the port.

Step: 9- Click on Download to start flashing.

Step: 10- Unplug USB cable, when Finish Download appears.

Note: Do not unplug cable when Reset Phone or waiting for Reset Phone is in the process.

So This Is A Complete Guide to Install stock Rom on Oppo A3S if you have any question Let Us know Via Comment,
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: Oppo A3s