What is sim toolkit on android?

SIM Toolkit is an application that comes pre-installed on Android devices and is used to manage the SIM card functions and services provided by the mobile network operator. Here are some key points about SIM Toolkit on Android:

1. Purpose: SIM Toolkit allows users to access value-added services provided by their network provider, such as balance inquiry, mobile banking, promotional offers, and more. It acts as an interface between the user and the network services.

2. Availability: SIM Toolkit is pre-installed on most Android devices and can be found in the app drawer or the system settings. However, its visibility and accessibility might vary depending on the device and the network provider's configuration.

3. Usage: By launching the SIM Toolkit app, users can access various SIM-related features and services provided by their network operator. These features may include checking account balance, topping up credits, accessing customer support, and browsing additional services.

4. Carrier-specific services: SIM Toolkit can provide access to carrier-specific services and features, such as mobile plans, roaming packages, call forwarding, caller ID settings, SIM card lock settings, and more. The available features may largely depend on the network provider.

5. Customization: Some network operators allow customization of the SIM Toolkit interface or offer additional features specific to their services. This can provide an enhanced user experience and facilitate easy access to services.

6. Updates: The SIM Toolkit app and its features can be updated by the network operator without requiring a complete Android system update. These updates can bring improvements, bug fixes, new services, or changes in the layout and design of the app.

7. SIM Application Toolkit (SAT): SIM Toolkit is built on top of the SIM Application Toolkit (SAT) technology, which is a collection of commands and protocols used for accessing SIM-based applications. SAT enables the SIM card to interact with the mobile device and provide various services.

It's important to note that while SIM Toolkit is pre-installed on Android devices, not all network operators and SIM cards may provide extensive services through this app. The availability and features can vary based on the network provider and the country you are in.