Over-the-air download technology (OTA) is a technology to realize remote management of mobile terminal equipment and SIM card data through the air interface of mobile communication. After years of application and development, public network has become very mature. Network operators can realize the remote management of SIM cards through OTA technology, and can also provide the function of downloading new mobile services.
With the application of OTA technology, mobile communication can not only provide voice and data services, but also provide new service downloads. In this way, application and content service providers can continue to develop more personalized services that are close to users' needs, such as information on demand, interactive entertainment, location services and banking transactions, without the limitation of platforms.
OTA download mode
1. SMS mode: the user clicks the "menu management" option on the mobile terminal to send a SMS, requesting the OTA server to download the service; The OTA server sends the downloaded data to the user's mobile terminal device via SMS, and the SIM card automatically completes the data change.
2. Browser-based mode: users log in to OTA server, search application menu, and download corresponding data from network background server as needed. The advantage is that users can actively select the required business data according to their needs, which conforms to the future development trend and can adopt GPRS transmission mode with high transmission rate.
3. Push mode: according to the business requirements, the network operator sends the link notification of downloading new business data to the end user through SMS or mobile email, and the user clicks the link to realize remote automatic data or program update.
The above contents refer to Baidu Encyclopedia -OTA.