Oppo A91 Software Update | CPH2021PUEX_11.C.53 (April 2021)

Oppo A91 just launched and it is a great device for the price. Because of the features and spec list, it provides at a mid-range smartphone, many people are looking forward to buying it. The smartphone came out of the box with Android 9.0 Pie and soon will receive the official Android 10 update. Here you will find all the new software update details for the Oppo A91 with their build number and download links. You can follow this guide to install the software update manually.

As mentioned, the firmware OTA updates always roll out in batches to region-wise which also depends on the server and carriers. So, it’s one of the common issues to not receive any OTA update notification. Therefore, some of the keen users may also miss out the important or much-awaited updates in some cases. Now, if you also feel the same and have a doubt in mind that you’ve missed out on any important update or you want to manually install the stock firmware on your Oppo A91 model, then the update tracker list with the software update guide will help you a lot.

Oppo A91 Software Update Tracker: June Patch With Version A.20 rolled

Oppo A91 Software Update Tracker

Whenever a new official firmware update will be available for the Oppo A91 model, we will keep updating the update tracker list here with the changelog and download links below.

Software Version Changelog



  • Added the April 2021 Android security patches to enhance system security



  • Added the February 2021 Android security patches to enhance system security



  • Added the December 2020 Android security patches to enhance system security.



  • Added the October 2020 Android security patches to enhance system security.




  • Added an integrated Android September 2020 security patch to improve system security

How to Check Software Update on Oppo A91

Before going to the manual firmware upgrade process, if you feel that your device isn’t receiving the OTA update notification for a while, then you can check for the software update manually. In order to do this:

Go to the device Settings > System updates. It will search for the software update and you will get notified if a new update is available on your device. Simply grab the firmware version by downloading and installing it.

Additionally, it’s recommended to maintain the phone charge at least up to 50%-60% and connect your device to a Wi-Fi for a faster and stable download.

Update Guide: How to Flash Oppo Firmware on your device [Software update guide]

Now, let’s assume that you’ve successfully upgraded your Oppo A91 device to the latest software version. Facing any issue with the software update guide? Comment below.

Oppo A91 Device Overview

Oppo A91 was announced in December 2019 which sports a 6.4-inch AMOLED display with a screen resolution of 1080 x 2400 pixels.

Oppo A91 is powered by an Octa-core (4×2.1 GHz Cortex-A73 & 4×2.0 GHz Cortex-A53) with Mediatek MT6771V Helio P70 (12nm) chipset coupled with 8GB of RAM and 128GB of internal storage. It also supports an external memory card with up to 256 GB microSD. The device came out of the box with Android 9.0 Pie under ColorOS 6.1 and backed by a 4030 mAh battery (Non-removable).

As far as the camera concerned, the device has a Quad-camera setup with 48MP + 8MP + 2MP + 2MP primary sensors and a selfie camera with a 16MP lens. Other connectivity option includes 4G-VoLTE, GPS, Glonass, Bluetooth, Mobile Hotspot, accelerometer, gyroscope, proximity sensor, and compass. etc. The Oppo A91 comes with a face unlock feature.


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