What files can be deleted in the mobile phone memory card?

System data category-folder related to system file storage \x0d\ 1,. android_secure: the product of official app2sd, which is used for authentication and verification of storage related software. After deletion, the software in the SD card will be unusable. \x0d\ 2。 Android: Store important program data, such as the map cache of google:map, which needs to be downloaded again after being deleted by mistake. \x0d\ 3。 Backup: contains important backup files. If contacts are exported to SD card, they will be imported into this folder. \x0d\ 4。 Bugtogo: When there is a problem in the system, some report files will be formed and stored in this folder. \x0d\ 5。 Data: Cache data folder, similar to Android. For example, the screenshot of "Screenshot Assistant" is saved in \ x0d \ datacom.edwardkim.android.screenshots. \x0d\ 6, lost. DIR: The lost or wrong files on the card will be moved here, and this directory will be automatically generated if deleted. \x0d\ 7。 Systemappbackup: the directory where the backup files are saved after the system app \ x0d \ remove (deep uninstall) backs up the system files. \x0d\ 8。 Bugreports: When upgrading the system or updating the machine, the list of error reports compatible with the system and the program (including all contents of memory usage) will be saved in this file, and can be deleted after restarting the machine. \x0d\ 9，。 Keepsafe: The addresses of hidden software and encrypted files are stored here. \x0d\ 10，。 Thumb: Browsing or using a software, and files used to record time and content after using a folder are randomly generated and need to be cleaned regularly. If it is not cleaned for a long time, it will occupy a lot of effective space on the memory card. \x0d\ 1 1, openfeint: The startup program after connecting to the network is widely embedded in the software or games released by the mobile platform, which is the recording address for updating, downloading or commenting feedback information and can be deleted. \x0d\ 12, com: The files generated by the playing software when watching and playing the film and television programs will be stored here, and these files can reflect the feedback information to the producers and can be deleted. \x0d\ 13, Download: capital letters refer to the download file directory connected to the network, and lowercase letters refer to the download transmission files (Bluetooth, near field, etc.) stored in the mobile phone itself. ), so don't delete it by mistake. \ x0d \ related folder of system tool class -system \ x0d \ 1, albumart: cache folder of music album cover. \x0d\ 2。 Album: the cache folder for the thumbnail of the album. \x0d\ 3。 Cmp: music cache folder. \x0d\ 4。 Playlist: the cache folder of the playlist. \x0d\ 5。 DCIM: The camera's random cache folder records the parameters set by the function and needs to be cleaned up in time. Some photos taken by third-party camera software will also be saved here, such as 360 or vignetting camera. \x0d\ 6。 VPN: the cache directory of VPN data. \x0d\ 7。 My documents: The documents recorded by various programs enabled by mobile phones need to be cleaned regularly. If it is not cleaned for a long time, it will occupy a lot of memory on the SD card. \x0d\ 8。 Nomedia: Audio and picture folders hidden in your mobile phone will be displayed here, and you can set them in related folders. \x0d\ 9。 Media: Audio file records generated by using telephone recall software or online browsing video will be saved here. \x0d\ 10，。 Medieval _ Software: When the Bluetooth transmission software is turned on, the directory of files saved by the recording task is recorded. \x0d\ 1 1, extract: the default decompression directory of decompression software. \x0d\ Cache file of third-party application class \x0d\ 1,. mobo: mobile player. \x0d\ 2。 QQ: QQ cache files need to be cleaned regularly. \x0d\ 3。 Quickoffice: the cached file of QuickOffice. \x0d\ 4。 Switchpro: cache switchpro: switchpro widget (multi-key switch application). \x0d\ 5。 Ucdlres: the cache file of UC Thunder. \x0d\ 6。 Baidu: the cache folder of handheld Baidu, Baidu input method and other programs. \x0d\ 7。 Etouch: an easy cache folder. \x0d\ 8。 Documents: Related Folders Documents: Take-Out Documents. \x0d\ 9。 Gameloft: the folder where the gameloft:gameloft package is stored. \x0d\ 10, handcent:handcent data folder. \x0d\ 1 1, handyCurrency: the folders related to currency exchange rate will not be available until handycalc (scientific calculator) is installed. \x0d\ 12, ireader:ireader cache folder of ireader. \x0d\ 13, KingReader: open a useful cache folder for books: downloaded files and applications are here: pay attention to the cache directory when deleting \x0d\ 14, LazyList:Applanet, and use it with caution. \x0d\ 15, Moggi: cache directory of ink weather. \x0d\ 16. Music folder: the cache folder generated by Poweramp. \x0d\ 17, OpenFeint: cache folder openfeint:openfeint. \x0d\ 18, Picstore: the directory created by the picture browsing software. \x0d\ 19, Renren: the cache folder of Renren client. \x0d\ 20。 Screenshot: the directory where the screenshots are saved. \x0d\ 2 1, ShootMe: the shootme directory where the picture file is saved after the screenshot. \x0d\ 22。 Smartpix games: the cache folder of games made by smartpix games, such as Jewellust. \x0d\ 23. sogou: The random cache folder of Sogou Pinyin Input Method can be deleted. \x0d\ 24。 Speed software: the cache folder of re file manager. \x0d\ 25。 TalkingFriends:talking tom saves the directory of video files recorded by talking tom. \x0d\ 26。 Tencent: The cache directory of Tencent software, such as QQ. (It is not the same as. QQ folder) \x0d\ 27. TitaniumBackup: the directory where the programs backed up by titanium are saved. \x0d\ 28。 TunnyBrowser: It feels like the cache directory of Dolphin Browser International Edition. \x0d\ 29。 Ucdl files: the saving directory of UC Thunder download files. \x0d\ 30。 UC download: the storage directory where UC browser downloads file cache. \x0d\ 3 1, vie: the cache directory of vignette. \x0d\ 32, yd _ histories: cache directory of dictionary search history \x0d\ 33, yd_speech: cache directory of dictionary word pronunciation. \x0d\ 34。 Youmicache: After deletion, a cache directory of Mi You advertisements will be automatically generated, and the advertising program will be embedded in its program. \x0d\ 35。 Glu: The data package storage place of Glu series games, such as 3D deer hunter, Brave Brothers. \x0d\ 36. APAD QQ-images: the cache directory of QQ for iPad. \x0d\ 37, DunDef: the data package of the dungeon keeper. \x0d\ 38. KuwoMusic: Kuwo Music related folder. \x0d\ 39, MxBrowser: roaming cache directory. \x0d\ 40, Camera360: The random cache directory of the camera camera360 can be cleaned regularly. \x0d\ 4 1, TTPod: a beautiful cache directory every day. \x0d\ 42。 Download: brush MIUI, and the upgraded ZIP brush package is saved in downloaded_rom. \x0d\ 43，。 Estrongs: When you unzip files with ES file manager, you will have this cache record. Reflect the use process, can be deleted. \x0d\ 44。 SilentR: background recording software, with its own audio folder and subfolder phoneCalls, used for routine management and cleaning. \x0d\ 45, 3D-compass: This is a folder of scene pictures (images and people are more detailed) generated by real-life compass software, which can be cleared. \x0d\ 46。 PDF: portable document format and pdf reader storage folder. \x0d\ 47。 Zidan has a saying: it is the thesaurus file storage of the dictionary. The deleted thesaurus needs to be downloaded again. \x0d\ 48。 Callrecords: Use third-party forced two-way recording software (mobile phone is not root) to save audio files. Records of video players such as \x0d\ 49 and VP player Pro:MOBO will be deleted regularly after use. \x0d\ 50, BeWeather(Videos): it is the storage address of audio or animation icons attached when meteorological software (such as Blackberry Weather) is downloaded. If deleted, the icon will be displayed silently. \x0d\ 5 1。 Thumbnail: When watching handheld mobile video media with a third-party player, store the contents generated when clicking pause, taking random screenshots and saving files. \x0d\ 52, iQuran(meta2): The Quran browses the text and audio storage files. \x0d\ 53。 Autodesk: The mobile phone system has its own memory command to generate a folder: store images or write manuscripts, which can be viewed, backed up or deleted. \x0d\ 54。 PixlrOMatic: post-special effects processing picture software Pixlo. Save the folder and open it to preview the effect. \x0d\ 55。 Map bar: The map bar contains files for navigating the map. There are necessary main documents and specific maps of different regions. If the master files are deleted, they should be copied. \x0d\ 56。 AntTTS: Use Gaode Navigation to select voice type navigation and language download address. After deletion, voice prompts will be lost. \x0d\ 57。 Kingsoft PowerWord: The downloaded thesaurus is stored in the dedicated folder of Kingsoft PowerWord, and the expanded thesaurus is updated (officially released, revised and supplemented). \x0d\ 58。 NightVisionCamera: the address where night camera photos are stored. \x0d\ 59。 DSA: * * Special folder, which contains the monitoring position information of road probes in each area and will be updated regularly. After testing, cooperation with Gao De and Kai Lide in early warning has achieved good results. \x0d\ 60。 Apexlauncher: the folder of advanced desktop launcher, located in andriod/data/, is used to put backup bak files of desktop settings.