9 1 assistant is the most popular Chinese application market for smartphone users, the largest and most influential intelligent terminal management tool in China, and the only cross-terminal and cross-platform content distribution platform in the world. Intelligent and intimate operation experience and the safest and most reliable resources make it the best choice for hundreds of millions of users.

Its main functions are as follows:

1, massive application, extremely fast download.

More than 6,543,800 applications, 6,543,800 sets of themes, 560,000 wallpapers and 6,543,800 ringtones. Update more than 10000 resources and applications every day. The national CDN is accelerated, and high-quality resources are downloaded at high speed.

2, authoritative authentication, application download is more assured

All-round security check, put an end to all mobile phone viruses and deduction plug-ins, and download applications more at ease.

3, intelligent upgrade, traffic slimming, the world's first intelligent upgrade to support iOS applications

The world's first "intelligent upgrade" supporting the iOS platform only downloads the application update part, saving traffic and time, and saving traffic by up to 90%.

4. Search in all directions and know what you need.

Voice search, text search, QR code scanning, icon scanning ... A variety of search methods combined with intelligent keyword error correction, to be your most intimate all-round search king.

5, "My 9 1 Cloud", one-click backup and restore, cherish eternal memories.

One-click backup and recovery of mobile phone data is necessary for changing machines. Synchronize backup photos and address books in the cloud, and view and share them anytime, anywhere.