Block all incoming connections in the public network and package applications into the list of allowed applications.
"Remove the tick in the box in front. Can whatsapp only be used by Apple?
Yes, even some Apple phones don't work.
From October 24th, 20221,WhatsApp will no longer run on devices running iOS 10 or iOS1. A new article published by WhatsApp Help Center confirms that only iOS 12 and later versions are supported. Similarly, Android users also need Android4. 1 or later to run this update.
What is the purpose of managing Google services in settings?
First of all, you have to understand the Android system, which was developed by Google in the United States. Then you have to understand the fact that China blocks many external networks, including Google. So China's network can't connect to Google. Google service framework is a set of system services provided by Google, including account system (understandably similar to APPLEID on Apple mobile phone). But the domestic connection is not available. It's no use. All domestic mobile phones are generally customized, such as miui of Xiaomi, flyme of Meizu and EMUI of Huawei. In the process of customization, all service frameworks related to google will be eliminated and replaced by their own services. As for the role of google service framework.
1, used to log in to Google's account and enjoy Google's service (obviously this is useless in China);
2. Some foreign applications and games need Google service framework, otherwise they will flash back. This is a bit pitted. Google service is really useless, but there is no way. Therefore, for us who often use domestic software, google service framework can be considered useless.