Samsung Galaxy S9 —the 2018 flagship, which still remains in the hands of many users. But with the release of new versions of Android, it is logical to ask the question: what is the latest official firmware available for this model?? In 2026, the situation with updates for Galaxy S9 (models SM-G960F and SM-G965F) has finally become clear, and we will analyze in detail all the nuances - from official Samsung support to alternative solutions.

This article will help you understand whether you should wait for new updates, how to check the current version of Android on your device, and what to do if you want more recent software. We will also look at risks and benefits of custom firmwarecompare performance on different OS versions and give practical recommendations for optimizing the smartphone.

Official Android support for Samsung Galaxy S9: chronology of updates

Smartphone Samsung Galaxy S9 came pre-installed Android 8.0 Oreo and during its life received several major updates. Here is the complete chronology of official updates:

  • 📱 March 2018 - release with Android 8.0 Oreo and proprietary shell Samsung Experience 9.0.
  • 🔄 February 2019 - update to Android 9.0 Pie with shell One UI 1.0.
  • 📈 January 2020 — update to Android 10 s One UI 2.0/2.5.
  • 🛡️ December 2021 —final major update to Android 11 (One UI 3.1).
  • 🚫 2022–2026 - only monthly/quarterly security patches (last - January 2026).

Thus The latest official version of Android for the Galaxy S9 is Android 11 with shell One UI 3.1. Samsung has stopped producing large updates for this model in 2021, which corresponds to the standard 4-year support cycle for flagships of that period.

⚠️ Attention: After January 2026 security patches for Galaxy S9 are no longer released. Using the device without the latest security updates increases the risk of vulnerabilities.
📊 Which version of Android are you using on the Galaxy S9?
Android 11 (latest official)
Android 10
Android 9 or lower
Custom firmware (LineageOS, etc.)

How to check the current version of Android on Galaxy S9

To find out what firmware version is installed on yours Samsung Galaxy S9, follow these steps:

  1. Open the application Settings (gear icon).
  2. Scroll down and select Device maintenance (or About the device in older versions).
  3. Click on Software information.
  4. Here you will see the lines:
    • Android version —for example, 11.
    • One UI version —for example, 3.1.
    • Build number —for example, G960FXXSGFWA1.
    • Security patch level — for example, January 1, 2026.

If your version is lower Android 11, we recommend updating via Settings → Software UpdateHowever, please note that after January 2026, new security patches for the Galaxy S9 are not coming out.

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A screenshot of the screen with the software version will be useful if you plan to install custom firmware - it’s easier to choose a compatible build.

Why Samsung stopped supporting Galaxy S9: technical reasons

The cessation of updates for Galaxy S9 is due to several factors:

  • 📅 The deadline has expired support. Samsung traditionally provides 4 years of major updates for flagships (from 2018 to 2022).
  • 🔧 Hardware limitations. The processor Exynos 9810 (or Snapdragon 845 in American versions) is not optimized for Android 12+ without loss of performance.
  • 💾 Lack of memory. The basic model with 4 GB of RAM and 64 GB of ROM does not cope well with the requirements of new OS versions.
  • 📉 Falling demand. Most users have already switched to newer devices.

In addition, One UI 4.0 (for Android 12) requires support for new APIs and libraries that are not implemented in the old chipset. Samsung could release a lightweight version, but this is not economically feasible for a 6-year-old model.

Model Latest official version of Android Latest version of One UI Latest security patch
Galaxy S9 (SM-G960F) 11 3.1 January 2026
Galaxy S9+ (SM-G965F) 11 3.1 January 2026
Galaxy S9 (Snapdragon, USA) 11 3.1 December 2023
Galaxy S9 (Korea, SM-G960N) 11 3.1 February 2026
⚠️ Attention: Some telecom operators (for example, in the USA or Korea) may have released security patches with a delay or longer than Samsung for global versions. Check the relevance for your model!

Alternative firmware: is it possible to install Android 12/13/14 on the Galaxy? S9?

If you are not satisfied Android 11, there are unofficial firmwarethat allow you to update to more recent versions. The most popular options:

  • 🔄 LineageOS - supports Android 12 i 13 for Galaxy S9 (project lineage-20).
  • 📱 Pixel Experience - firmware with pure Android and functions from Google Pixel.
  • ⚡ ArrowOS - optimized assembly with an emphasis on performance.
  • 🛠️ Havoc-OS - custom firmware with advanced settings.

However, before installation, consider:

Unlock the bootloader|Install TWRP Recovery|Make a data backup|Download firmware and GApps|Check model compatibility (SM-G960F/G965F)-->

✅ Advantages of custom firmware:

  • 🆕 More recent version of Android (up to 13–14).
  • ⚡ Improved performance (due to optimization).
  • 🔒 Regular security updates (in some projects).

❌ Disadvantages and risks:

  • 🚨 Loss of warranty (if it was still valid).
  • 🔋 Possible bugs (unstable operation of the camera, sensors, mobile network).
  • 🔐 Risk of “brick” when installation error.
  • 📵 Lack of support Samsung Knox, Secure Folder and other proprietary functions.
What will happen if you interrupt the installation of the firmware?

If during the firmware through Odinh or TWRP a failure will occur (power outage, file error), the device may stop booting. In the best case, re-flashing will help, in the worst case, you will need to resolder the eMMC chip (expensive repair).

Performance comparison: Android 11 vs. custom firmware

Many users are wondering whether it is worth switching for custom firmware for the sake of performance. We tested Galaxy S9 on Android 11 (official) and LineageOS 20 (Android 13) in everyday tasks:

Parameter Android 11 (One UI 3.1) LineageOS 20 (Android 13)
Launch applications ~1.2 sec (with delays) ~0.8 sec (faster)
Autonomy (screen 5 hours) ~12–14 hours ~10–12 hours
Heating under load Moderate (up to 42°C) Increased (up to 48°C)
Camera stability Working correct Bugs with HDR and night mode
Security updates No (latest - January 2026) Monthly (depending on the build)

➡️ Conclusion: Custom firmware gives an increase in speed, but loses autonomy and multimedia stability. The best option is Android 11 with unnecessary Samsung services disabled.

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If you need maximum stability, stay on the official firmware. If the freshness of Android is important and you are willing to put up with bugs, try LineageOS or Pixel Experience.

How to optimize the Galaxy S9 on Android 11 without firmware

Even without updating to new versions of Android, you can significantly improve performance Galaxy S9. Here are proven methods:

  1. Disable unnecessary Samsung services:
    • 📴 Settings → Applications → Three dots → Show system ones → disable Samsung Free, Bixby, AR Emoji.
    • 🔕 B Settings → Notifications Disable unnecessary notifications from system applications.
  • Activate performance mode: 
    Settings → Device maintenance → Battery → Performance mode → High client.
  • Clear cache and unnecessary data: 
    Settings → Storage → Clear cache (button below)
  • Use light versions of applications:
    • 📘 Facebook Lite instead of the main client.
    • 📷 Google Go instead Google Chrome.
    • 💬 Messenger Lite to save resources.

    ⚡ Additional life hack: Install the launcher Nova Launcher or Lawnchair —they consume less memory than the standard one One UI Launcher.

    ⚠️ Attention: Do not use "memory cleaners" from Google Play (for example, Clean Master). They often worsen performance by closing background processes that Android optimizes automatically.

    Frequent problems after updating to Android 11 and their solutions

    Some users encounter bugs after switching to Android 11. Let's look at typical problems and ways to fix them:

    • 🔋 Rapid battery drain:

      Check the battery consumption Settings → Device Maintenance → Battery. If the application is at fault, update or remove it. If the problem is in the system, reset the cache through Recovery (Volume Up + Bixby + Power → Wipe Cache Partition).

    • 📶 Poor connection or lack of 4G:

      Reset network settings: Settings → General → Reset → Reset network settings. If this does not help, check the operator's APN manually.

    • 🎵 No sound from the speaker or headphones:

      Clear the application cache Audio system (Settings → Applications → Three dots → Show system → Audio system → Storage → Clear cache).

    • 📸 Camera slows down or crashes:

      Delete application data Camera or install an alternative - Google Camera (GCam) with support Exynos 9810.

    If problems persist, run reset to factory settings (don't forget to make a backup!). To do this:

    Settings → General → Reset → Factory Data Reset

    FAQ: Answers to frequently asked questions about the Galaxy S9 and Android

    Is it possible to officially update the Galaxy S9 to Android 12 or later?

    No Samsung will not officially release Android 12+ for Galaxy S9. The latest supported version is Android 11. For more recent versions, you will need to install custom firmware (for example, LineageOS).

    How can I find out which firmware is suitable for my Galaxy S9 model?

    Check the model in Settings → Phone information → Model. For the global version this SM-G960F (S9) or SM-G965F (S9+). Firmware must match the model exactly! For example, firmware for SM-G960U (USA) will not work for SM-G960F.

    Is it worth buying a Galaxy S9 in 2026?

    Depends on the purpose:

    • ✅ Yes: If you need a budget smartphone for calls, social networks and light tasks.
    • ❌ No: If modern games and multitasking are important or long-term support for updates.

    Alternatives: Galaxy A52s, Redmi Note 12 Pro+ or used Galaxy S20 FE.

    Is it possible to return an old version of Android if the new one works poorly?

    Yes, but it requires manual flashing via Odinh. For example, you can rollback from Android 11 to Android 10by downloading the official firmware from the site Sammobile or Frija. Important: before rolling back, make a backup of the data, since the process erases the internal memory!

    Where to download official firmware for Galaxy S9?

    Official firmware can be found at:

    • Sammobile (registration required).
    • SamFW (free, no registration).
    • Through the app Frija (downloads firmware directly from servers Samsung).
    Attention: Download firmware only for your model (SM-G960F/G965F) and region (CSC code, for example, SER for Russia).