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Oppo A3s Firmware CPH1803

Download Oppo A3S Latest Firmware Flash File To Repair or Update Your Smartphone.

Download the firmware flash file of Oppo A3s CPH1803 from our website for free for your Oppo A3s smartphone and fix the problem in all types of mobile software such as Pattern Unlock, FRP, Google Account, Unbrick Dead after Flash, Screen Unlock, Network Problem, Heat and Stuck Logo, or download it to update the latest software and flash it to fix the phone related problems.

How To Flash OPPO A3s CPH1803

You can use MsmDownloadTool to flash Oppo A3s; for this, you will need a username and password. Apart from this, many other tools and software that can be flash.

  • Download the firmware from here and run the flash tool.
  • Double click on the MSM download tool. Please login.
  • Click on Start All.
  • Switch off the mobile and connect to the PC by pressing the volume down and volume up keys.
  • After this, it will flash.

How To Know The Software Version

Before flashing this phone, check the software version of Oppo A3s, for this you go to the call then type * # 899 # emergency call

Tools and Equipment

  • Here is the firmware flash file for Oppo A3s, not for any other phone
  • Must be at least 50% battery charged
  • A laptop or computer
  • Backup device data
  • Oppo USB Driver


Firmware-file.in doesn't recommend using the firmware here, unless you're prepared for all the risks that result from errors when using the firmware/flash file/Stock Rom.

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Firmware Oppo A3s CPH1803 Firmware |Flash File| Stock ROM

Device Config: 18301, 18302, 18303, 1833


Flash File Size: 3.6GB

Flash File Size: 3.9GB

Flash File Size: 4GB

Type: Flash File Size: 3.8GB

Flash File Size: 4GB

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