Why does my WeChat always prompt that I can't receive SMS verification code after being blocked?

I haven't received the SMS verification code for a long time, which may be caused by the following reasons:

First, the number of acquisitions exceeded the limit.

Second, the mobile phone business does not support it.

Reason 3: Mobile phone security software interception (for smartphone users who have installed security software)

Reason 4: SMS gateway is congested or abnormal.

Reason 5: Mobile phones are used abroad or overseas mobile phones are used.

Reason 6: People around you can use it normally, but they can't get it.

Wechat is a free application launched by Tencent on 201110, which provides instant messaging service for intelligent terminals. It was created by the product team of Tencent Guangzhou R&D Center led by Zhang Xiaolong? . Wechat supports fast sending of free voice messages, videos, pictures and texts across communication operators and operating system platforms. At the same time, you can also use service plug-ins such as "shake", "drift bottle", "circle of friends", "public platform" and "voice notepad" to enjoy streaming media content through * *.