Step 1: Touch me on WeChat and click Settings.
Step 2: Click General.
Step 3: Click Storage Space.
Step 4: Click Clear WeChat Cache to clear the data in WeChat cache (clearing the cache will not clear the chat history).
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.