For more information, please visit the following pages:

• UC Browser
• Y21
• UCWeb Inc.
• U3

Latest user agents:

• Mozilla/5.0 (Linux; U; Android 5.1; en-US; vivo Y21 Build/LMY47I) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 UCBrowser/10.8.0.718 U3/0.8.0 Mobile Safari/534.30