Samsung is currently rolling out a major security update for its Galaxy S25, Galaxy S24 And Galaxy S23. After the Galaxy S26 at the start of the week, it is the turn of previous generations to receive the April 2026 patch, which closes 47 vulnerabilities scattered between Android, the One UI overlay and the Exynos chips.
Behind this simple fix, the issue is clear: limit the risks of targeted attacks or discreet intrusions on millions of high-end smartphones. According to Les Numériques and Mobigeeks, several flaws are classified as critical. There remains the question that all Galaxy owners are asking: when will this update arrive on your model and should it be installed immediately?
Galaxy S25, S24, S23: is the April 2026 update already available on your Samsung?
For the Galaxy S25the answer is yes. The international version of the April 2026 patch, numbered S93xBXXS9BZCHbegan to be pushed in Europe, therefore in France, with a download of approximately 548.89 MB. It is for the moment the best served series.
THE Galaxy S24 And Galaxy S23 also receive the update, but first in South Korea, stronghold of Samsung. The files are approximately 456.64 MB on S24 and 436.32 MB on S23. As is often the case, the international deployment is done in waves, which explains why some users are served several days before others.
To check if the patch is available, the procedure remains classic: open Settings Then Software update and touch Download and install. If nothing appears, you will simply have to wait a little longer.
Galaxy April 2026 update: what flaws have Google and Samsung fixed?
According to the Android Security Bulletin and Les Numériques, the update fixes a total of 47 security vulnerabilities. Thirty three comes directly from Android, side Googleaffecting the system and components used by all apps. The remaining fourteen are ecosystem specific Samsung.
Among these in-house flaws, ten concern One UIthe software overlay, and four touch the chips Exynos. This last point is sensitive, because these components manage network communications in particular. Clearly, a vulnerability at this level can, in certain cases, open the door to remote code execution or unauthorized access to your data.
“A security update is never trivial, it protects against often invisible but very real risks,” recalls a mobile technician cited by Mobigeeks. Hence the importance of not ignoring this type of patch, even if it does not change anything visually on the interface.
Galaxy S25, S24, S23: should you install the security update right away?
On paper, this April 2026 update does not promise any new functions or performance boosts. It serves above all to strengthen the protection of your Galaxy S25, Galaxy S24 And Galaxy S23as mobile attacks continue to increase each year.
Delaying its installation amounts to leaving already documented breaches open. A single uncorrected flaw can be enough to compromise a device, warns the same technician cited by Mobigeeks. The risk is particularly critical if you use your smartphone for mobile payment, banking apps or professional use.
The right approach is to launch the update as soon as it appears, preferably over Wi Fi, with at least 50% battery or with the phone plugged in. In a few minutes, your Galaxy switches to the security level of April 2026. Before placing the smartphone, a passage in Settings Then Software update definitely worth it.