Part of the benefits of having an Android device is being able to install an app on it. Installing is as simple as one, two, three; just search for your desired app on the Google Play Store and hit the Install button. Though installing apps is easy, they can be installed as either user apps or system apps.
User apps are installed in the typical way via the Google Play Store, Amazon Appstore, third-party markets, or sideloading. In contrast, system apps are apps pre-installed in the phone’s system partition with your ROM and typically, Android device users don’t have the access to the system partition. This means that, ordinarily, users cannot directly install apps to or uninstall from the system partition.
You can install user apps as system apps by using such apps as Titanium Backup, but you have to go for the paid version of the app to be able to enjoy such feature. However, there are other methods to install user apps as system apps without paying fees. Check out this guide for methods of installing ordinary user apps as system apps.
For this method, you will need root access and the ES File Explorer app. You can download this app free from the Google Play Store.
You app is now saved as a system app.
For this method, make sure that you have installed ADB (Android Debug Bridge) on your computer. You can get ADB by setting up the Android Software Development Kit (SDK) on your computer.
For more info, check out our guides on how to install Android SDK on your computer and how to use ADB. Also make sure to install the appropriate USB drivers for your device on your computer.
mv apk_full_filename_here /system/app/
In the case of our sample app, the command above will look like this:
mv app.biorhythms-1.apk /system/app/app.biorhythms-1.apk
If your copy of the app’s APK file is on your computer, you can do the following steps:
adb push apk-filename-here /system/app/
adb shell chmod 644 /system/app/
In the case of our sample app, the command will look like this:
Congratulations! Your normal, ordinary user app is now installed as a system app on your Android device.
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I have tried all the several steps that you mentioned but there was only one problem, that when i restart my Tab2 application wont work properly and gives error like application stopped working. Yes there are some those r working but fews like mxplayer office suite and google input r some of app those r not working after every restart. i hv p3100 tab 2 and its rooted. I hv googled a lot but no answer found.