If you don't have Chinese, I will give you a comparison table. First-level interface: restart the system. Restart the system now. Update the system wipe da with the update.zip file on the sdcard immediately. Ta/ Factory Reset Erase Data Partition and Restore Factory Settings Erase Cache Partition Erase Cache Partition Install zip from sdcard. Install zip files from SD card Backup and restore Backup and restore Installation and storage Advanced Advanced Installation and storage Power off Return to auxiliary interface (upper level) Store Insta application updates from SD card internal SD card external storage. Select zip from sd card Select zip from SD card Select zip installation file apply /SDcard/ Update.zip Select system upgrade package from SD card to update system switch signature verification switch signature verification switch scripq assertion switch upgrade pin. This check selects zip from the internal SD card, selects zip installation file, and returns to (upper level) backup and recovery backup from internal storage. Backup verification verification recovery advanced recovery return (previous level) installation and storage installation/cache installation/cache partition installation/data installation/data partition installation/Osh installation/docking station installation /pds installation/personal data system installation/system installation/system partition installation/pre-installation installation installation script installation /emmc installation/Emmc partition installation /sd-ext installation /sd card installation/ Sd card format cache format cache partition format data partition format osh format webtopformat system partition format perinstall format pre-installation script format emmc format emmc file fromat sd-ext format sd card format sd card mount USB storage mount SD card as USB storage mode Return advacedReboot Recovery restart recovery mode Erase Dalvik cache. Clear Virtual Cache Erase Battery Status Clear Battery Status Report Error Report Error Key Test. The key test shows that the log display system log partition SD card upgrade SD card partition to ext4 to ext 4 partition format repair Pe. Permission Repair Permission Return (Upper Level)