[May 2023] Samsung Galaxy A21s Receives Security Patch Update

Samsung is rolling out the latest May 2023 security patch update to its Galaxy A21s smartphone, enhancing system security and addressing numerous vulnerabilities. Although the device will not receive Android 13 or later OS upgrades, the new update brings important security fixes and potential improvements to users in Argentina and is expected to reach other markets soon. Let’s take a closer look at the update and its significance for Galaxy A21s users.

Samsung Galaxy A21s  Security Patch Update

Update Details

The May 2023 security patch update, with firmware version A217MUBUADWE2, is now being rolled out to Samsung Galaxy A21s users. This update aims to address over 70 vulnerabilities, including four critical, 48 high, and three moderate-level issues across various components of the device. It specifically focuses on improving the Bootloader, App lock, Call Settings, and Telephony framework functionalities.

Enhanced System Stability

Along with the security fixes, the update optimizes system stability to provide a seamless and uninterrupted user experience. By keeping the device up to date, users can ensure that their Galaxy A21s performs efficiently and remains secure.

Device Specifications

The Samsung Galaxy A21s features a 6.5-inch display with a resolution of 720 x 1600 pixels and a pixel density of 270ppi. It boasts a 48MP primary camera supported by an 8MP Wide Angle and Ultra-Wide Angle lens, along with two 2MP cameras for depth sensing. For selfies, it sports a 13MP front camera housed within a punch-hole cutout. The device is powered by the Exynos 8 Octa chipset and comes with a 5,000 mAh battery that supports 15W quick charging.

Implications for Galaxy A21s Users

While the Galaxy A21s is not eligible for the latest Android 13-based One UI 5.0 upgrade, Samsung’s commitment to providing regular security updates ensures that users can still benefit from improved device security. The May 2023 security patch addresses critical vulnerabilities, fortifying the device against potential threats and ensuring a safer user experience.

Availability and Installation

The May 2023 security patch update is currently rolling out in Argentina and is expected to expand to other regions soon. Users can check for the update manually by accessing the “Settings” menu on their Galaxy A21s, selecting “Software update,” and choosing the “Download and Install” option. Alternatively, official firmware files will be made available on Samsung’s website for those who prefer manual updates.

Check out – Samsung Galaxy A14


Samsung’s commitment to providing timely security updates ensures that Galaxy A21s users can benefit from enhanced device security and improved system stability. While the device may not receive Android 13 or later OS upgrades, the May 2023 security patch addresses over 70 vulnerabilities and brings valuable improvements. Users are encouraged to install the update promptly to ensure their Galaxy A21s remains secure and performs optimally.