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Split APKs Installer (SAI) - The Best Way to Install Split APK Files on Your Device

Split APKs Installer (SAI) APK: What Is It and How to Use It


If you are an Android user, you may have encountered some apps that are not available on the Google Play Store or that require additional files to work properly. These apps are usually distributed as split APKs, which are a new way of packaging Android apps that allows developers to optimize their app size and performance. But how do you install these split APKs on your device? And what if you want to backup or export these apps for future use? This is where SAI comes in handy.

What are split APKs and why do they exist?

Split APKs are a type of Android app package that consists of multiple APK files that together form a single app. Each APK file contains a different part of the app, such as the base code, resources, assets, libraries, or configurations. Split APKs allow developers to deliver only the necessary parts of their app to different devices, depending on their screen size, CPU architecture, language, or region. This way, they can reduce the app size and improve the app performance.

split apks installer (sai) apk

What is SAI and what are its features?

SAI is an advanced APK installer with split APK support. It also has simple app backup/export functionality. SAI can install apps using standard Android API, using root access or using Shizuku. SAI is an open-source app, you can get the source code on its GitHub repo. Some of the features of SAI are:

  • Support for opening .apk files via SAI

  • APKM support (only for the unencrypted .apkm files)

  • Installer Pro mode that allows you to select split APK parts to install from a .apks/.xapk/.zip file with APKs

  • Backup splits selection dialog that names parts according to their purpose (if it is known)

  • Option to export a single APK as a .apk file

  • Option to use ZipFile API to read files

  • Sui support for Shizuku Installer

  • Firebase can be disabled in settings

  • Multiple themes and languages

How to install SAI on your Android device

Download SAI from Google Play Store or GitHub

The easiest way to get SAI on your device is to download it from the Google Play Store. Alternatively, you can download the latest release from GitHub and install it manually. Make sure you have enough storage space on your device before downloading SAI.

Grant permissions and choose installer mode

When you launch SAI for the first time, it will ask you for some permissions, such as storage access and usage access. Grant these permissions so that SAI can access and install split APKs on your device. You will also need to choose the installer mode that suits your device and preferences. SAI offers three installer modes:

  • Default (recommended): This mode uses the standard Android API to install split APKs. It works on most devices and does not require root access or any additional permissions.

  • Rooted: This mode uses root access to install split APKs. It may work on some devices that do not support the default mode, but it requires root access and may cause some issues.

  • Shizuku: This mode uses the Shizuku app to install split APKs. It works on some devices that do not support the default mode, but it requires installing and setting up Shizuku first.

You can change the installer mode later in the settings if you encounter any problems with the installation.

Enable unknown sources installation if needed

If you are installing split APKs from sources other than the Google Play Store, you may need to enable the unknown sources installation option on your device. This option allows you to install apps from third-party sources that are not verified by Google. To enable this option, follow these steps:

  • Go to your device's settings and look for security or privacy options.

  • Find the option that says "Install unknown apps" or "Allow app installs" and tap on it.

  • Select SAI from the list of apps and toggle on the switch that says "Allow from this source" or "Allow app installs".

Now you are ready to install split APKs using SAI.

How to install split apks using sai apk

Sai apk pro mode for advanced apk installation

Sai apk backup and export split apks

Download sai apk from github releases

Sai apk support for xapk and zip files

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Sai apk zipfile api option

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Sai apk install apks from apks/xapk/zip file

Sai apk select split apks parts to install

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How to install split APKs using SAI

Locate the .apks/.xapk/.zip file with split APKs

The first step to install split APKs using SAI is to locate the file that contains the split APKs. This file can have different extensions, such as .apks, .xapk, or .zip. You can download these files from various sources, such as APKMirror, APKPure, or other websites that offer split APKs. You can also use a file manager app to browse your device's storage and find the file you want to install.

Select the parts you want to install or use Pro mode

Once you have located the file with split APKs, you can open it with SAI by tapping on it or by using the "Open" option in SAI's main screen. SAI will then show you a list of parts that are included in the file, such as base, config, or split. You can select the parts you want to install by checking or unchecking them. Alternatively, you can use the Pro mode option at the bottom of the screen to select all parts or only the required parts automatically.

Confirm installation and enjoy the app

After selecting the parts you want to install, tap on the "Install" button at the bottom of the screen and wait for SAI to complete the installation process. You may see some prompts asking for confirmation or permissions during the installation. Once the installation is done, you can launch the app from your app drawer or home screen and enjoy its features.

How to backup and export apps using SAI

Open the backup section and select the apps you want to backup

If you want to backup or export your installed apps using SAI, you can use its backup functionality. To access this feature, open SAI and tap on the three-dot menu icon at the top right corner of the screen. Then, select "Backup" from the menu options. You will see a list of apps that are installed on your device. You can select the apps you want to backup by checking or unchecking them.

Choose the backup location and format

After selecting the apps you want to backup, tap on the "Backup" button at the bottom of the screen and choose the backup location and format. You can backup your apps to your device's internal storage or an external SD card. You can also choose the backup format, such as .apks, .xapk, or .zip. The backup format determines how the split APKs are packaged in the backup file. The .apks format is the most compatible and recommended one.

Export the backup file as a single APK or a .apks/.zip file

Once you have chosen the backup location and format, SAI will start creating the backup file for the selected apps. You can see the progress and status of the backup process on the screen. When the backup is done, you can export the backup file as a single APK or a .apks/.zip file. To do this, tap on the three-dot menu icon next to the backup file and select "Export" from the menu options. You can then choose to export the backup file as a single APK or a .apks/.zip file. The single APK option will merge all the split APKs into one APK file, while the .apks/.zip option will keep them separate. You can also rename or delete the backup file from this menu.


Split APKs are a new way of packaging Android apps that offer some benefits for developers and users, such as smaller app size and better performance. However, installing split APKs can be tricky if you don't ha

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