Oppo a3s (CPH1803) Flash File – Firmware Download Free

About Oppo A3S

Oppo a3s is an Android phone released by Oppo company. You can install your favorite apps and games. Just lookout the trending features that we have listed here.

NetworkGSM - HSPA - LTE
OSAndroid 8.1 Oreo
Memory16GB, 32GB, 64GB
CameraMain 13MP, Selfie 8MP

Why we will need to flash phone?

If the phone is working slow or completely break due to its firmware, then we will need to flash – install new firmware on phone by using a PC or laptop. There are few things that you will need to collect before flashing your phone.


The first and the most important thing is the firmware of your phone. You will need to download the latest firmware of your phone from any site.

Flash Tool:

If you are going to flash your phone, the flash tool is the second important thing. If you haven’t the flash tool, you can’t flash your phone.

USB Driver:

You will need to download and install the USB debugging driver manually. If your PC is missing the USB driver of your phone, the system will not detect the phone.

Data backup:

If you have all set to flash your phone, please don’t forget to take a backup of your data. After flashing your phone will be restored to its original settings and you will lose your data. You can safely recover the backup data to the phone after successful flashing.

Firmware update

If your phone’s firmware is outdated, then you will need to update it by connecting the phone with an internet connection. In the latest updates, the OS developers fixing the bugs, improving the performances of the phone, including a new design for firmware, and also adding outstanding themes for your phone.

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Download Menu

You can download the full firmware of Oppo a3s by managing the download links below. If download links are not working or you have any issues with the post, please contact us. We will help you soon.

ModelOppo a3s
Firmware Size4.4 GB
LinkDownload Firmware

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