Android Guides

A Complete Guide to Android ADB Wireless Debugging

Last updated on: , first published on: Leave a Comment

A Complete Guide to Android ADB Wireless Debugging

With the release of Android 11, Google integrated Android Debug Bridge (ADB) wireless debugging as a native feature within the operating system. This major update in ADB introduced a secure pairing mechanism that completely eliminates the need for an initial USB connection. This modern approach, fully integrated into both Android’s Developer Options and Android Studio, uses on-screen pairing codes or QR codes to establish a cryptographically secure connection, representing a significant improvement in both usability and security over the legacy method.

This was not an architectural overhaul, but rather an enhancement to the connection establishment and security protocol built upon the existing transport-agnostic foundation.

Although most developers and many Android users still use USB debugging, wireless debugging may sometimes be the easier solution, for example, when connecting to a Google TV Streamer or Chromecast with Google TV (the only USB port is occupied for power). Some Android TV boxes may not have an additional USB port as well.

This Android 101 guide explains how ADB works, what Android ADB wireless debugging is, the prerequisites for using Android Wireless Debugging, detailed steps for using Android Wireless Debugging, and how to use Android Wireless Debugging on older (pre-Android 11) devices.

This guide applies to almost all Android devices, Android phones, Android tablets, Android TV, Chromecast with Google TV, and Google TV Streamer.

What is Android ADB Wireless Debugging?

First, let’s recall the ADB Architecture.

The ADB system is composed of three distinct components that work in concert to facilitate communication and command execution.

  • The Client: This component resides on the host machine (the development workstation) and is invoked by the user through the adb command in a terminal or command prompt. The client is responsible for translating user-issued commands, such as adb install or adb shell, into the ADB protocol and sending them to the ADB server.
  • The Server: The server is a background process that runs on the host machine. When an ADB client is started for the first time, it checks for a running server process; if one is not found, it initiates one. The server binds to the local TCP port 5037 and acts as a central hub, managing communication between all running clients and the daemons on all connected devices (physical or emulated). Its role is to multiplex commands and responses, ensuring that requests from various clients are routed to the correct device daemon.
  • The Daemon (adbd): The daemon is a background process that runs with elevated permissions within the Android user space on the target device (i.e.,
… Read the rest

Android 16: the definitive guide on new features and changes

Last updated on: , first published on: Leave a Comment

Android 16: the definitive guide on new features and changes

Officially released on June 10, 2025, Android 16 moves beyond incremental feature additions to address long-standing structural challenges within the Android ecosystem, most notably platform fragmentation and the inconsistent user experience on large-screen devices.

The Android 16 release is defined by three core strategic pillars:

  1. The formal standardization of mature OEM innovations, particularly from Samsung.
  2. The establishment of a new, user-accessible baseline for mobile security; and
  3. A concerted effort to refine and unify the core user experience across different device form factors.

This Android 16 guide explains all the new features and improvements in Android 16 for both users and developers. As some of the new features, e.g., Desktop Windowing and Live Updates, have already been presented in Samsung’s Galaxy devices for a long time, this guide also tries to explain the origin of the new features and their possible connection with Samsung.

For developers, Android 16 introduces a dual-pronged approach. On one hand, it imposes stricter mandates for app adaptability on large screens, effectively ending the era of letterboxed phone apps on tablets. On the other hand, it provides a more agile and predictable development cadence through a new Major/Minor SDK release model, decoupling disruptive platform changes from the rapid introduction of new APIs.

From a user perspective, the Android 16 update delivers significant enhancements in productivity, security, and accessibility. The introduction of a native desktop mode, a more organized and actionable notification system, and a comprehensive, one-tap security suite called Advanced Protection Mode are standout features. Concurrently, Google continues to delineate the AOSP platform from its own Pixel experience, reserving its most advanced AI-driven features as exclusive differentiators for its hardware, while contributing the foundational OS improvements to the broader community.

Android 16 Platform Architecture:  New SDK Release Model ( Major and Minor Releases)

The most impactful architectural change for the developer community is the formalization of a new, dual-track Software Development Kit (SDK) release model. This new structure fundamentally alters how the Android platform evolves throughout the year, aiming to balance stability with rapid innovation.

The new model consists of two distinct release types:

  1. Major SDK Release: This is the traditional, annual platform update, exemplified by the June 2025 launch of Android 16. Critically, this is the only release within a year that will introduce planned, app-impacting behavior changes. These are the changes that require developers to update their application’s targetSdkVersion to support, ensuring compatibility with new platform security and privacy enforcements.
… Read the rest

Master Android 15 Easter Egg Game: Landroid

Last updated on: , first published on: Leave a Comment

Master Android 15 Easter Egg Game: Landroid

The Android 15 Easter egg is an iterative enhancement of the space-themed mini-game introduced in Android 14, a game of exploration now widely referred to as “Landroid.”

This Android 15 guide explains what Android Easter Eggs are, the Android 15 Easter Egg Game (Landroid), how to unlock the Android 15 Easter Egg to claim the Landroid autopilot screensaver, and how to play the Landdroid game. This post also covers some advanced strategies, tips, and tricks for playing the Landroid game.

The Android 15 Easter Egg game is identical on all Android devices with Android 15, regardless of the manufacturer.

What are Easter Eggs in Android 15?

For over a decade, Google has maintained a playful tradition of embedding hidden features, colloquially known as “Easter eggs,” within each major release of the Android operating system. These secrets, ranging from simple animations to full-fledged mini-games (for example, Octopus in Android Oreo and Neko Cat in Android 11), serve as a delightful reward for the platform’s most curious and dedicated users.

With the arrival of Android 15, internally codenamed “Vanilla Ice Cream,” this tradition continues, though not with the revolutionary leap some had anticipated. The Android 15 Easter egg is an iterative enhancement of the space-themed mini-game introduced in Android 14, a game of exploration now widely referred to as “Landroid”.

While the core gameplay remains familiar, the Android 15 version introduces two key differentiators that refine the experience.

  • The ability for the player’s spacecraft to plant a yellow flag on any celestial body they successfully land on, providing a tangible marker of their exploratory achievements.
  • An unlockable reward: a hidden “Landroid” autopilot screensaver. Once the primary mini-game is activated, this new screensaver becomes available in the system settings, allowing the game to play itself as a dynamic, ambient display while the device is charging or docked.

The Android 15 Easter egg is a two-part discovery. The first is the interactive mini-game itself, and the second is a persistent screensaver that is unlocked only after the game has been found. Accessing both requires a specific sequence of actions within the device’s settings menu.

How to unlock the Android 15 Easter Egg game?

The method for unlocking the main Easter egg has been standardized across recent Android versions, providing a familiar ritual for long-time users. The process is straightforward and consistent on stock Android devices like Google’s Pixel line, though the initial navigation step may vary slightly on devices with manufacturer-specific interfaces like Samsung’s One UI.… Read the rest

New Features and Improvements of Android 15

Last updated on: , first published on: Leave a Comment

New Features and Improvements of Android 15

The annual release of a new Android version has evolved from a spectacle of sweeping visual change to a more nuanced and architecturally significant event. Android 15, codenamed “Vanilla Ice Cream,” epitomizes this evolution. It is not a release defined by a dramatic user interface overhaul but rather by a profound maturation of the underlying platform.

This Android 15 guide provides an exhaustive technical analysis of new features and improvements of Android 15, revealing a strategic focus on three core pillars: fortifying privacy and security with proactive, system-integrated defenses; optimizing foundational performance for next-generation hardware; and refining the user experience for an increasingly diverse array of form factors.

This post will dissect the core AOSP features, clarify the often-confused line between platform and Pixel-specific enhancements, and provide a comparative look at how major OEMs are leveraging this new foundation to forge their unique identities.

Update: You may try the Android 15 Easter Egg game: Landroid.

I. Privacy and Security: Foundational Enhancements of Android 15

Android 15 represents a significant escalation in the platform’s commitment to user privacy and device security. The approach moves beyond reactive measures and user-configured settings to bake proactive, intelligent defenses directly into the operating system’s fabric. These enhancements address modern threats ranging from data snooping to sophisticated physical theft, establishing a new baseline for the entire Android ecosystem.

1. Private Space in Android 15: Standardizing the Digital Safe

For years, users seeking to wall off sensitive applications and data have relied on third-party apps or OEM-specific solutions, most notably Samsung’s popular “Secure Folder” or Dual Messenger. With Android 15, this capability is no longer a manufacturer’s perk but a fundamental platform guarantee.

The introduction of Private Space creates a native, OS-level sandboxed environment where users can install and operate apps in complete isolation from the main user profile.

This private space is protected by an additional layer of authentication—either the device lock or a unique PIN/password—and can even be configured to be completely hidden from the app drawer and settings, leaving no visible trace of its existence. When a user installs an app within Private Space in Android 15, the system creates a fresh copy; no data or accounts are shared with the same app in the main profile. When the space is locked, its underlying profile is paused, rendering the apps within it completely inactive. They cannot run in the background, receive notifications, or be seen in the recent apps view, effectively vanishing from the system until the user authenticates and unlocks the space again.… Read the rest

Top 14 new features of Android 14

Last updated on: , first published on: Leave a Comment

new features of Android 14

Android 14 is the latest version (2023) of the Android operating system, and it comes with a number of new features and improvements. Some of these new features of Android 14 are focused on improving the user experience, while others are designed to give users more control over their devices.

In this Android 14 guide, we’re going to take a look at the top 14 new features of Android 14 that all users will find most useful. The new features of Android 14 covered in this post include the new photo picker, lock screen customizations, notification flashes, battery life improvement, separate ring and notification volume control, app pair, charging pill (animation), Apollo 14 easter egg, drag and drop text and images to different apps, auto-confirm unlock, phone’s manufacturing year, battery charge cycles count, magic compose, and emoji, generative AI, and cinematic wallpapers. Some detailed how-to guides will be released soon.

Please note the new features of Android 14 discussed in this post apply to the stock Android (e.g., Pixel phones or Motorola phones). Some Android vendors may customize Android 14 with their own implementations and features, and therefore, some of these features may not be available on their Android 14 devices or work differently, for example, in Samsung’s Android 14 update (One UI 6), the new features are substantially different from the features discussed here.

1. New Photo Picker: Restricting Photo and Video Access

The new Photo Picker in Android 14 gives users more control over which photos and videos they share with apps. Users can now select individual photos and videos, or they can select entire albums or folders.

This is a welcome improvement over the previous Photo Picker, which only allowed users to reject or approve access to all photos and videos. In other words, prior to Android 14, you could only either allow or not allow an app to access all photos and videos (all or nothing). If allowed, the app then can access all photos and videos. If not allowed, the app cannot access any photos or videos.

The new Photo Picker in Android 14 allows you to grant access to individual photos, videos, albums, or folders. A similar feature was introduced in iOS14 for iPhone 3 years ago. Now, Google has finally caught up with this new feature of Android 14.

2. Lock Screen Customizations: the most popular new feature of Android 14

Android 14 users can now customize their lock screens with new widgets, wallpapers, and themes.… Read the rest

Top 10 New Features of Android 13

Last updated on: , first published on: Leave a Comment

Top 10 New Features of Android 13

Android 13 was released on August 15, 2022, with a plethora of new features and improvements to make your Android devices more personal and secure.

However, many new features of Android 13 are not eye-catching and deep inside the Settings or apps.

This Android 13 guide explains the top 10 new features of Android 13 that almost everyone will benefit from, including per-app language options, clipboard access control, notifications opt-in, a QR code scanner in the Quick Settings tile, a revamped media player, a new Photo Picker, Quick Pair and Bluetooth LE Audio support, control home devices without unlocking the phone/tablet, Spatial Audio support, expanded Material You options.

We now explore these new features of Android 13 one by one.

What are the top 10 new features of Android 13?

There are many new features and underhood improvements in Android 13. For most Android phone users, the following 10 features you definitely should try and know.

  1. Per-app language options.
  2. Clipboard access control.
  3. Notifications opt-in.
  4. QR code scanner in the Quick Settings tile.
  5. A revamped media player.
  6. Anew Photo Picker.
  7. Bluetooth LE Audio and LC3 code support
  8. Spatial Audio support.
  9. Control home devices without unlocking the phone/tablet.
  10. Expanded Material You options

Per-app language options: the most practical new feature of Android 13

In Android 13, you can choose a different language for individual apps regardless of the system language. Of course, if the app developer enables the language you want.

For example, as shown in the screenshot below, all apps that support multi-languages are listed under Settings — System — Languages & input — App Languages.

You can choose your preferred language for these apps individually. Many Android 13 users marked this as one of the most practical new features of Android 13.

new features of Android 13: Per-app language options
Per-app language settings in Android 13

You can also change the language for the apps on the App info page of individual apps.

Clipboard access control

Android 13 makes it easy to copy and paste both text and images.

When you copy any text or an image to the clipboard, you will see immediate feedback (an alert box in the lower-left corner of the screen), as shown in the animation below. The content (text or image) in the clipboard will be available for 1 hour. You can turn on the clipboard manager in Gboard (or Samsung Keyboard if you are using a Samsung phone) and pin any items in the clipboard so that they will not be expired.… Read the rest

Extra Dim in Android 12: The Definite Guide

How does Extra Dim in Android 12 work? How to customize and use Extra Dim?

Last updated on: , first published on: Leave a Comment

Extra Dim in Android 12: The Definite GuideExtra Dim is a less-known yet very useful new feature in Android 12.

It is not included in our top 12 new features in Android 12 because Extra Dim is a “niche” feature for very specific scenarios (if you often use the phone in a dark environment), not because it is not important.

Extra Dim is often misunderstood by even many professionals. Therefore, many users are confused the Extra Dim with the brightness control.

This Android 12 guide explains what the Extra Dim in Android 12 is, how it works, how to use it in Android 12, and corrects some common misunderstandings about Extra Dim in Android 12.

What is Extra Dim in Android 12?

Sometimes, you may feel the phone screen is too bright in a dark environment (e.g., in a theatre). However, the brightness level is already set to the minimum level or auto-brightness (adaptive brightness) is already on.

Basically, you are stuck on that uncomfortable brightness level.

Extra Dim, which was introduced in Android 12,  is designed to solve this issue for you. It can further reduce up to 50% of the brightness of the screen for you.

In Android 12, Google implemented Extra Dim as an accessibility feature to further reduce the “brightness” of the screen below the minimum level specified by the hardware vendor.

This may sound ridiculous. How can the brightness be lower than the minimum level specified by the hardware vendor?

So, here is the catch. When Extra Dim is activated,  the colour range will be reduced.

In other words, you get a dimmer screen at the price of the accuracy of the colours. Read on.

As this is a built-in accessibility feature in Android 12, none of the Android vendors has changed this feature.

In addition to the entry in the accessibility settings,  a quick setting button for Extra Dim can be found in most Android 12 phones (e.g., in Galaxy S22).

How does Extra Dim in Android 12 work?

To understand how Extra Dim works, we need to know a bit (just a bit) about the colour and brightness.

Each colour on the screen has a value. For example, if the screen can only display 256 colours (8bit; most smartphone screens actually can display 16,777,216 colours or 24bit), the black colour will have a value of 0, and the white 255. The colour range is then 0-255.… Read the rest

How to update to Android 12?

Everything you need to know on getting the Android 12 update

Last updated on: , first published on: 2 Comments

How to update to Android 12?Android 12 was officially released on October 4, 2021. But many Android device owners are still waiting for the update and want to know how to update to Android 12.

This Android 12 guide explains why some Android devices got the Android 12 update already, some are still waiting for it, and some will never get it. The guide also shows how to check the Android 12 update for your device and how to update your phone (or tablet) to Android 12.

Why am I still waiting for the Android 12 update?

When Android 12 (Snow Cone) was released to the public on October 4, 2021, these were only the “core” of the new Android OS.

Unlike Windows, Android releases the source code, not the executable. The drivers for the components of your Android device, e.g., the touchscreen, the sensors, the modem, are usually not included.

So, before the new Android OS code is compiled with the drivers for the components, the source code of Android 12 is actually useless for your phone.

To make it worse, you have to wait for the manufacturer of your Android device to build the executable because most of these drivers are proprietary. You cannot do it by yourself.

So, it will take the manufacturer some time to test and build the new “firmware” for your phone. In fact, Google released the Android 12 build for Pixel phones on October 19, 2021. These are the first Android phones with Android 12 updates.

Some big manufacturers, like Samsung, are deeply involved in beta testing and usually have more resources to put everything together to roll out the Android 12 update. So, you will get the Android 12 update for your device within 2-3 months. Older devices may also get the Android 12 update, although the update usually comes later than newer devices.

Some middle-tier Android vendors, like Motorola (or its parent company Lenovo), are reluctant to invest resources on sold devices. They care more about getting quick money (sell new devices). They may roll out the Android update on a few latest models.

Smaller Android vendors may not have enough resources to build a new OS for older devices, and therefore, these devices will NEVER get the Android 12 update.

How about the unofficial Android 12 update?

Building the latest Android OS for older devices normally requires even more resources than for newer devices due to some compatibility (with some new features) issues of “a few” old components used in the older devices.… Read the rest

How to quickly snooze notifications in Android 12?

You can use the snooze button to quickly snooze any notifications.

Last updated on: , first published on: Leave a Comment

quickly snooze notifications in Android 12In Android 12, you can quickly snooze notifications and customize the snoozing period for individual notifications.

This Android 12 guide explains the new functions and features of quickly snoozing notifications and customizing the snoozing period for individual notifications. It shows you step-by-step how to use it to quickly snooze notifications in Android 12.

Please note this guide applies to stock Android 12 (including Android One) or near-stock Android 12 (e.g.,  on Moto phones). However, Android vendors may customize and alter this feature. For example, the notification snoozing works differently on Samsung Galaxy phones with Android 12 (One UI 4).

What’s new on snoozing notifications in Android 12?

Android introduced notification snooze in Android Oreo. The feature was gradually improved and polished in Android Pie, Android 10, and Android 11.

Now, in Android 12, some new features/functions were added:

  • A snooze button for each notification was added so that you can tap to snooze the notification for a while.
  • A dropdown menu that allows you to customize snoozing period for individual notifications.

So, you will find these two minor updates extremely if you use the notification snooze frequently.

How to quickly snooze notifications in Android 12?

By default, when you expand notifications in the notification panel in Android 12, you will see the additional snoozing button, as shown in the screenshot below.

Each notification has its own snoozing button. And it is not necessary to use any gestures to access the button.

Android 12 notification panel snooze button for each notifications

So, you can quickly snooze notifications in Android 12.

For example, as shown in the screenshot above, you can just tap the snooze button to snooze the notification for 1 hour, which is the default snooze duration in Android 12.

You can undo the snooze operation by tapping the Undo button, as shown in the screenshot below. This would cancel the snooze.

The snooze button, by default, also works in the lock screen. In other words, if you choose to show notification contents on the lock screen, you will also have the option to snooze the notifications on the lock screen directly without unlocking the phone to access the notification panel.

quickly snooze notifications in Android 12 customize snoozing duration for individual notifications

How to customize snoozing period for individual notifications in Android 12?

As mentioned, by default, notifications will be snoozed for 1 hour in Android 12 after you tap the snooze button.

You can customize the snooze duration shorter (up to 15 mins) or longer (up to 2 hours) without leaving the notification panel.… Read the rest

Top 12 new features of Android 12 you should know

Last updated on: , first published on: Leave a Comment

Top 12 new features of Android 12 Android 12, as the successor of Android 11,  was publicly released on October 4, 2021, with many new features and improvements, as expected.

This guide summarizes the top 12 new features of Android 12 that most users will like (or need) to know. A concise explanation of each of these new features is provided to help users, especially those upgraded from Android 11, quickly start to use these new features.

Detailed step-by-step guides for some of these new features of Android 12 will be covered in other posts separately (and listed on the Android 12 Guides page).

Please note, a few big Android vendors (e.g., Samsung)  may implement a few of these features differently in their Android 12 releases. So, if your phone is not running the stock (or near-stock) Android 12, you may find the settings are in different locations or have different options.

If you have questions about getting the Android 12 update for your device, you may check this guide.

Here is our list of the top 12 new features of Android 12.

1. Redesigned UI: one of the most eye-catching new features of Android 12

After you update to Android 12, you will very likely be surprised by the huge digital clock on the lock screen.

This is just an example of dramatic changes in the redesigned UI (user interface).

Based on Google, the redesigned UI in Android 12 lets users feel more comfortable. For example, you will see more space in the notification panel. The quick settings panel is no longer just icons: the name and current status (if applicable) are also shown.

The redesigned UI in Android 12 actually changed the entire user interface, from shapes, light and motion, to customizable system colours.

It is also a lot easier to customize the Android 12 UI.

2. Camera and microphone access indicator: the most practical new features of Android 12

Android 12 now lets you know whenever the camera or microphone is accessed by an app. So, this is an addition to the location access control introduced in Android 10 to protect your privacy.

In the status bar, you will see the camera and microphone icons when they are being accessed.

And if you don’t want any apps to access your microphone or camera, you can completely disable camera and microphone access globally in the quick settings panel in Android 12. By default, these two quick setting buttons are hidden.… Read the rest