What is SIM Toolkit App on Android? Every Thing About SIM Toolkit App

SIM Toolkit App application toolkit of GSM system that enables your sim card to initiate action that is useful to perform various value-added services. You might have noticed a tiny application on your Android device called sim Toolkit. This article explains about sim toolkit app on Android, its uses, and the significance of sim toolkit application.

What is SIM Toolkit App
What is SIM Toolkit App?

What is the SIM Toolkit app?

SIM Application Toolkit (STK) is a system app for managing the services provided by Service providers. The operator may provide some basic services, subscriptions other value-added services.

The STK communicates with the server using basic USSD or SMS. So, you may incur SMS costs as per your operator tariff.

What does the SIM Toolkit app do?

SIM Toolkit app is usually a carrier app that is used for value-added services provided by carrier providers. Daily horoscopes, call-back tunes, Sports updates are a few examples of value-added services.

You can find these Value-added services by going to SIM Toolkit App on your Android and subscribe to the service you want to opt-in.


These subscriptions are usually chargeable and delivered to customers via text SMS on regular basis or as per the subscription.

Where is my SIM Toolkit app?

The SIM ToolKit app usually gets auto-installed once you insert a SIM card into your smartphone. You can find it on the Android app screen or by navigating to Settings>apps.

The app may have a different name that depends on the courier service you are using for example smartphone using a Vodafone SIM card may have the app named Vodafone Live! and for Verizon, it is called Varozon live! and so on.

How to install SIM toolkit app?

In most cases, you are not required to install the app manually as it gets installed automatically once you insert and activate the SIM card in your Android.

But still, You can download the SIM ToolKit app from play store.

SIM Toolkit Application
SIM Toolkit Application
Developer: crazy-tech
Price: Free

How to remove SIM toolkit app?

It is not possible to disable or remove the SIM toolkit app from Android without rooting the device. However, on the latest version of Android OS it is possible to remove it easily.

If your Andriod is running on OS 9 or earlier, you will require ADB access to remove the SIM toolkit app.

Here we shall explain the methods to remove SIM toolkit app for all android versions.

Remove SIM toolkit app on Android 10 and later version:

  1. Open settings on Android.
  2. Go to App drawer.
  3. Tap on SIM toolkit app.
  4. Now tap on uninstall to remove SIM toolkit app.
  5. exit and restart the device.

This method will uninstall SIM toolkit app from Android phones running on android 10 and later. But, for smartphones running on 9 and earlier you need a different method(ADB). Here is how to do it.

Uninstall SIM toolkit app on Android 9 and earlier version

  1. Connect Your Phone to PC Using Data Cable.
  2. Turn on USB Debugging
  3. Setup ADB Connection
  4. Type the following lines
    adb shell
  5. Hit Enter and type again this
    pm uninstall -k --user 0 com.android.stk


    pm uninstall -k --user 0 com.android.stk2

This will uninstall the SIM toolkit app completely.

Do I Need SIM toolkit app?

SIM toolkit app is not spam but it can help you to subscribe to some value-added services as explained above in the article. But, this is quite old school to get an SMS-based service. Still, it depends on the user preference.

SIM toolkit app is not a required or essential service or app or run Android OS. So, if you don’t; find it useful, then yes you can remove it without doubting the malfunction of a smartphone.


SIM toolkit app is a carrier app that is used for value-added services provided by carrier providers. The app is usually auto-installed once the SIM card is installed on an Android phone. The basic uses of this SIM toolkit app to get subscriptions for value-added services provided by carier providers. The app can also be installed manually from Play tore also. Remove SIM toolkit app won’t hurt the health of your Android and it is easy to remove it from your Android smartphone. Don’t forget to check our ABOUT section for other information guides for Android.