Android Pie (9.0): what version, features and how to find out your firmware

Have you ever wondered why your smartphone suddenly began to work faster and the battery lasts longer after the next update? Most likely, you became one of the millions of users who switched to Android 9.0 Pie a revolutionary version of the operating system from Google, released in August 2018. This firmware has become a real breakthrough in the world of mobile technology, offering not only a new design, but also intelligent functions that adapt to the user’s habits.

But how to understand what you have Android Pieand not an older or newer version? And why is this information so important? The fact is that not only the available features depend on the version of Android, but also the security of your device, compatibility with applications, and even performance. In this article, we will figure out what it is Android 9.0 Pie, how to distinguish it from other versions, which devices support this firmware, and why it is still valued by experienced users.

If you are planning to buy a used smartphone or simply want to optimize the performance of your current gadget, knowledge of the Android version will become your secret weapon. Let's see why Android Pie remains one of the most stable and beloved versions by users, despite the release of newer updates..

What is Android Pie and why is it important?

Android 9.0 Pie is the ninth major version of the Android operating system, introduced by Google on August 6, 2018. It became the successor Android 8.1 Oreo and brought with it a lot of innovations, ranging from an adaptive interface to an improved energy management system. The name "Pie" continued Google's tradition of naming Android versions after desserts in alphabetical order.

The main feature of this version is integrated into the core of the system. For example, the function artificial intelligence, integrated into the core of the system. For example, the function Adaptive Battery analyzes which applications you use most often and optimizes battery consumption based on your habits. A Adaptive Brightness not just adjusts the screen brightness, but learns your preferences in different lighting conditions. This made Android Pie the first truly "smart" version of Android.

But why is this important for the average user? Here are a few key reasons:

• 🔒 Security: Android 9.0 received an improved application permission system and built-in malware protection.
• ⚡ Performance: Code optimization has reduced application launch times by 15-20% compared to Oreo.
• 🎨 Design: New minimalistic interface with rounded corners and adaptive icons.
• 🔋 Energy efficiency: Smart management of background processes extended battery life.

⚠️ Attention: Some Android Pie features, such as Digital Wellbeing (monitoring time of smartphone use), were initially available only on devices Google Pixel. Other models required a separate update or installation via Google Play Services.

How to find the Android version on your smartphone?

Before talking about the capabilities Android Pie, you need to make sure that it is installed on your device at all. You can check the firmware version in a few seconds - here are universal instructions for all Android smartphones:

1. Open the application Settings (gear icon).
2. Scroll down and select About phone (on some devices - About device or Phone information).
3. Find the line Android version - it will be here it is indicated which firmware is installed.

If you see the inscription Android 9 or Android Pie —congratulations, you have exactly this version! But what if something else is indicated there? data-i="77">Android version

Android version	Name	Year of release	Modernity
Android 8.0-8.1	Oreo	2017	Outdated, but still supported by some manufacturers
Android 9.0	Pie	2018	Relevant for many devices, but without new features security
Android 10	Q (without dessert)	2019	Recommended version for most users
Android 11	R	2020	Supported on flagships, but may be slow on weak devices

If your smartphone runs on an older version Android 9.0, you should consider updating - at least until Pie, since older versions (for example, Nougat or Marshmallow) no longer receive critical security updates from Google.

List of devices that support Android Pie

Despite the fact that Android 9.0 Pie was released more than 5 years ago, it is still relevant for millions of devices worldwide. However, not all smartphones received this update. Here are the key categories of gadgets that support Pie:

• 📱 Google Pixel: All models of the first and second series (Pixel, Pixel XL, Pixel 2, Pixel 2 XL) received the update on the release day.
• 🤖 Android One devices: For example, Nokia 7 Plus, Xiaomi Mi A2, Motorola One —these smartphones were guaranteed to be updated to Pie.
• 🏆 Flagships 2017-2018: Samsung Galaxy S9/S9+, Note 9, Huawei P20 Pro, OnePlus 6 and other top models.
• 💰 Budget models with update: Some manufacturers, for example Xiaomi i Samsung, released Pie for their mid-budget lines (Redmi Note 5 Pro, Galaxy A6 2018).

However, there are exceptions. For example, many smartphones 2016 and older have not received an official update to Android 9.0, even if technically could support it. In such cases, enthusiasts often resort to custom firmware like LineageOS.

⚠️ Attention: If your device is not on the official list of supported ones, trying to install Android Pie through unofficial firmware can lead to loss of warranty, unstable operation, or even bricking of the smartphone. experiments, be sure to study reviews on thematic forums, such as XDA Developers or 4PDA.

To find out for sure whether an update to Pie is available for your model, follow these steps:

Check the current version of Android in the settings

Find your model on the manufacturer's website in the "Support" section

Study user reviews on the forums

Make sure that there is enough free space on the device (at least 2-3 GB)

Create a backup copy of your data before updating -->

Key features of Android Pie: what has changed?

Android 9.0 Pie it introduced so many innovations that even after years many of them remain relevant. Let's look at the most important changes that made this version so popular:

1. Adaptive interface and gestures

Google has finally abandoned the traditional ones. three navigation buttons (Back, Home, Recent) in favor of gesture controls. Now you could swipe up to open the list of recent applications, or swipe right to go back. This approach was later adopted by all modern versions of Android.

2. Digital Wellbeing: addiction control

Function Digital Wellbeing (translated as “digital wellbeing”) became Google's answer to the growing problem of smartphone addiction. It allowed:

• 📊 Track time spent in each application.
• ⏰ Set limits on the use of social networks or games.
• 🌙 Enable mode Wind Down, which switched the screen to black and white before going to bed.
• 🔔 Configure "time without notifications" for individual applications.

3. Adaptive battery and brightness

System Adaptive Battery used machine learning to predict which applications you will need in the coming hours, and which ones can be “put to sleep” to save battery. According to Google tests, this increased battery life by up to 30% compared to Android Oreo.

Adaptive brightness (Adaptive Brightness) also became smarter: now it took into account not only the level of illumination, but also your personal preferences. For example, if you always dim the screen in a dark room, the system remembered this and adjusted the brightness automatically.

4. Improved security

V Android Pie appeared:

• 🔐 Identity confirmation-protected key —data encryption tied to the user's biometric data.
• 🛡️ Restrictions for background applications —apps could no longer secretly use the camera, microphone or sensors.
• 🔄 Automatic backup passwords and application data in Google Drive.

In addition, Piefinally implemented support biometric authentication at the API level, which allowed developers to easily integrate fingerprint scanners and facial recognition into their applications.

What Android Pie features are still missing in new versions?

Despite the release of Android 12, 13 and 14, Some Pie features were never carried over to new versions. For example, adaptive backlight navigation buttons (they adjusted to the color of the wallpaper) disappeared in Android 10. Pie also had a unique function "App Actions" - predicting user actions (for example, offering to start the player when headphones are connected), which in new versions works worse due to the tightening of the privacy policy.

How to update to Android Pie if it is available?

If your device supports Android 9.0 Piebut is still running an older version, you can update in several ways. Here are step-by-step guide for the official over-the-air (OTA) update:

1. Connect to stable Wi-Fi network (update can weigh 1-2 GB).
2. Charge your phone at least up to 50% (better up to 80%).
3. Go to Settings → System → System update.
4. Click Check for updates.
5. If update is available, follow the on-screen instructions. The device will reboot several times - this is normal.

If the OTA update does not arrive, you can try alternative methods:

• 🔧 Manual update via PC: Download the official firmware from the manufacturer's website (for example, Samsung Smart Switch or Xiaomi Mi Flash) and flash the phone via computer.
• 📦 Local update file: Some manufacturers (for example, OnePlus) allow you to download the update file to a memory card and install it manually via Settings → Local update.

⚠️ Attention: If you decide to update via unofficial firmware (for example, LineageOS or Resurrection Remix), remember that this may lead to data loss, non-functioning sensors (for example, NFC or fingerprint scanner) and problems with banking applications (due to the lack of certification Google SafetyNet).

How long does the update take? Usually the process takes from 20 to 40 minutes, depending on the phone model and Internet speed. Do not interrupt it and do not turn off the device during installation!

Android Pie problems and how to solve them

Like any major firmware, Android 9.0 Pie had its own bugs and features. Some users encountered the following problems after the update:

Problem	Possible reason	Solution
Rapid battery drain	Background optimization has not yet adapted to the user's habits	Wait 2-3 days or reset the adaptive battery settings in Settings → Battery
Device overheating	Intensive data indexing after update	Let the phone sit for 10-15 minutes in airplane mode, then reboot
Gestures do not work	Conflict with the manufacturer's shell (for example, One UI or MIUI)	Enable gestures in Settings → System → Gestures or return to the buttons
Applications crash	Incompatibility with the old version of the API	Update applications via Google Play or clear their cache

One of the most common complaints after upgrading to Pie is problems with Bluetooth, especially when connecting to car stereos or headphones. If the sound is interrupted or the device turns off, try:

1. Remove the pair in the Bluetooth settings and connect. again.
2. Clear application cache Bluetooth in Settings → Applications.
3. Disable function Adaptive Bluetooth (if it is in the developer settings).

If after the update the phone starts to slow down, try:

Clear the partition cache via Recovery (does not delete data)

Disable animation in the developer settings

Delete unused applications

Reset the settings to factory settings (make a backup first)-->

Android Pie vs. new versions: is it worth updating?

With the release of Android 10, 11, 12 newer versions, many users are wondering: is it outdated? already Android 9.0 Pie? Let's compare it with more modern firmware by key parameters:

Criteria	Android 9.0 Pie	Android 10	Android 11	Android 12+
Manufacturer support	Limited (only critical security updates)	Wide (most flagships 2019-2020)	Relevant for flagships 2020-2021	Only new devices (2021-2026)
Security	Good, but without the latest patches	Improved application isolation	Monthly security updates	Maximum (with support Google Play Protect)
Performance	Stable, optimized	Minor improvements	Better experience with 5G	Support for new processors (Snapdragon 8 Gen 2, etc.)
Privacy features	Basic restrictions for applications	Location access control	One-time permissions	Full control over all sensors

So is it worth upgrading from Pie to a newer version Does it depend on your device and? needs:

• ✅ Updateif:
  

  - You have a 2019 flagship or newer.
  

  - The latest security features are important to you.
  

  - You use applications that require a new version Android.

• ❌ Stay on Pieif:
  

  - Your smartphone is weak (for example, Redmi 5 or Galaxy J6).
  

  - You do not notice problems with the current firmware.
  

  - New versions are not supported by your model.

Interesting fact: many enthusiasts still prefer Android Pie on their devices because of it stability and optimizationFor example, on Xiaomi Mi A2 (which officially received only Android 10) users often. roll back to Piebecause the new version is slower.

FAQ: Frequently asked questions about Android Pie

My phone does not see the update to Android Pie. What should I do?

If your device officially supports Android 9.0but the update does not arrive, try:

1. Restart your phone and check again. times.
2. Clear application cache Google Play Services in settings.
3. Connect to another Wi-Fi network (sometimes updates are blocked on corporate or public networks).
4. Download manually download the firmware from the manufacturer's official website and install via Recovery.

If nothing helps, the manufacturer may have suspended the distribution of the update due to bugs. In this case, you should wait or look for information on the forums.

Is it possible to install Android Pie on an unsupported device?

Technically yes, but it requires experience. Options:

• Custom firmware (for example, LineageOS 16, based on Android Pie).
• Ported firmware from other devices (risky!).
• GSI images (Generic System Image) from Google for projects Treble.

Before installation, check:

• Whether your device supports Project Treble (you can find out through the app Treble Check).
• Are there working builds for your model on XDA Developers.
• Are you prepared for a possible loss of functions (NFC, camera, sensors).

How to roll back from Android 10 back to Pie?

A rollback is possible, but requires a complete flashing of the device. Instructions:

1. Download the official firmware Android Pie for your model from the manufacturer's website.
2. Unzip it and find the file flash-all.bat (for Windows) or flash-all.sh (for macOS/Linux).
3. Connect the phone in Fastboot (usually by holding Power + Volume Down).
4. Run the file flash-all from the command line.

⚠️ Warning: this process will delete all data from your phone! First make a backup copy via Titanium Backup or Google Account.

What applications do not work on Android Pie?

Most modern applications support Android 9.0, but there are exceptions:

• Games with high requirements (for example, Genshin Impact or Call of Duty Mobile) may slow down on weak devices.
• Banking applications some Russian banks (for example, SberBank Online older than 2021) require Android 10+.
• Applications for new standards (for example, Wi-Fi 6 or 5G) may not support old drivers.

Before installing the application, always check its requirements in Google Play in the section Information for developers.

How to extend support for Android Pie on your device?

If the manufacturer has stopped releasing updates for your model, but you want to stay on Android 9.0 and still receive security patches, try:

• 🔄 Install a custom kernel (for example, KernelSU) with the latest fixes.
• 🛡️ Use Magisk modules to update security (for example, Magisk Security Patch).
• 📱 Switch to firmware from a third-party developer (for example, Havoc-OS or Pixel Experience based on Pie).
• 🔒 Install an antivirus that protects against vulnerabilities (for example, Bitdefender or Kaspersky).

Remember that these methods require an unlocked bootloader and may void your warranty.