Which files on my phone can be deleted?

System data category - folders related to system file storage

1. .android_secure: The product of official app2sd, which stores related software usage certification verification. After deletion, it is in the SD card The software will not work.

2. Android: Stores important program data, such as the map cache of google:map. If the map is accidentally deleted, the map needs to be downloaded again.

3. Backups: Contains important backup files, such as contacts exported to SD card will be imported to this folder.

4. bugtogo: When there is a problem with the system, some report files will be formed and stored in this folder.

5. data: cache data folder, similar to Android. For example, "Screenshot Assistant" screenshots are saved in

data\com.edwardkim.android.screenshotitfull\screenshots.

6. LOST.DIR: Lost or wrong files on the card will be moved here. If this directory is deleted, it will be automatically generated.

7. SystemAppBackup: After SystemApp remove (deep uninstall) backs up system files, the directory where the backup files are saved.

8. bugreports: When upgrading the system or flashing the machine, the system and program compatible error report list (including all memory usage) will be saved in this file and can be deleted by restarting the machine.

9. .keepsafe: Hidden software and encrypted save file addresses are stored here.

10. .thumbs: Files used to record times and content after browsing or using a certain software or using a certain folder. They are generated randomly and need to be cleared regularly. If not cleaned for a long time, a large amount of files will be occupied. The effective space of the memory card.

11. openfeint: a startup program after opening the connection network. It is widely embedded in software or games released by mobile platforms. It is the record address of update downloads or comment feedback information, and can be deleted.

12. com: Files generated by playback software when watching and playing film and television programs will be stored here. Feedback information can be reflected to the producer and can be deleted.

13. Download (download): The uppercase letters are the download file directory of the network connection, and the lowercase letters are the mobile phone itself (Bluetooth, near field, etc.) where the downloaded files are stored. Do not delete them by mistake.

System tools - folders related to the system's own tools

1. albumart: cache folder for music album covers.

2. albums: cache folder for album thumbnails.

3. cmp: music cache folder.

4. Playlists: cache folder of playlists.

5. DCIM: The camera randomly caches folders to record function setting parameters and needs to be cleaned up in time. Photos taken by some third-party camera software will also be saved here, such as 360 or vignette cameras.

6. VPN: cache directory of VPN data.

7. My documents: Documents recorded by various program tasks on the mobile phone need to be cleared regularly. If not cleared for a long time, it will occupy a large amount of SD card memory.

8. .nomedia: Hidden audio and picture folders in the mobile phone will be displayed here, and can be set in relevant folders.

9. Media: Audio file records and archives generated by using phone call recording software or online video browsing and other media will be saved here.

10. .medieval_software: When the Bluetooth transmission software is enabled, the directory where the task save file is recorded.

11. extracted: The default decompression directory of the decompression software.

Three-party application classes

1. .mobo: Moboplayer’s cache file.

2. .QQ: QQ’s cache files need to be cleared regularly.

3. .quickoffice: cache file of quickoffice.

4. .switchpro: cache file of switchprowidget (multi-key switch application).

5. .ucdlres: UC Thunder cache file.

6. Baidu: The cache folder of programs such as Baidu on the Pocket and Baidu Input Method.

7. etouch: Easy cache folder.

8. documents: Documents To Go related folders.

9. Gameloft: The folder where gameloft game data packages are stored.

10. handcent: handcent (super SMS) data folder.

11. handyCurrency: Folders related to currency exchange rates will only exist after installing handycalc (scientific calculator).

12. ireader: ireader’s cache folder.

13. KingReader: A useful cache folder for unwinding: downloaded files and applications are all here: pay attention when deleting them

14. LazyList: Applanet’s cache directory, use with caution .

15. moji: cache directory of Moji Weather.

16. MusicFolders: cache folder generated by poweramp.

17. openfeint: cache folder of openfeint.

18. Picstore: A directory created by picture browsing software.

19. renren: cache folder of Renren client.

20. screenshot: The directory where screenshots are saved.

21. ShootMe: The directory where the picture files are saved after the shootme screenshot.

22. SmartpixGames: Cache folder of games produced by Smartpix Games, such as Jewellust.

23. sogou: The random cache folder of Sogou Pinyin input method can be deleted.

24. SpeedSoftware: Cache folder of RE file manager.

25. TalkingFriends: The directory where the video files recorded by talking tom are saved.

26. Tencent: The cache directory of Tencent software, such as QQ. (Not the same as the .QQ folder above)

27. TitaniumBackup: The directory where the Titanium Backup backup program is saved.

28. TunnyBrowser: It feels like the cache directory of Dolphin Browser, but why is it called this name? Tuna Browser…. .

29. UCDLFiles: The directory where UC Thunder download files are saved.

30. UCDownloads: The directory where UC browser download file cache is saved.

31. VIE: Cache directory of Vignette (Vignette Camera).

32. yd_historys: The cache directory of Youdao Dictionary search history

33. yd_speech: The cache directory of Youdao Dictionary word pronunciation.

34. youmicache: After deletion, it will automatically generate the cache directory of Youmic advertisements, and the advertising program is embedded in its program.

35. Glu: The data package storage location for Glu series games, such as 3D Deer Hunter, Brave Brothers, etc.

36. apadqq-images: the cache directory of QQ for pad.

37. DunDef: Dungeon Guardian data package.

38. KuwoMusic: Kuwo Music related folders.

39. MxBrowser: Aoyou’s cache directory.

40. Camera360: The random cache directory of camera camera360 can be cleared regularly.

41. TTPod: Tiantiandongting’s cache directory.

42. downloaded: After flashing MIUI, the upgraded ZIP flash package is saved in downloaded_rom.

43. .estrongs: When you use ES file manager to decompress files, there will be this cache record. It reflects the usage process and can be deleted.

44. silentR: Use background recording software, self-generated audio folders, sub-folders phoneCalls, regular management and clearing

45. 3D-compass: This is using real-life compass software , the generated scene pictures (images and numbers are more detailed) folder can be cleared.

46. PDF: Portable Document Format, Pdf reader storage folder.

47. Zidan youdao: It is the thesaurus file storage of the dictionary. If you delete it, you need to download the thesaurus again.

48. Callrecords: Use third-party forced two-way recording software (the phone is not rooted) to save audio files.

49. VPlayer Pro: The records after using video players such as MOBO are regularly deleted.

50. BeWeather (Videos): It is a storage address for downloading audio or animation icons for meteorological software (such as BlackBerry Weather, etc.). If deleted, there will be no picture or sound.

51. Thumbnails: When using a third-party player to watch handheld mobile video media, it stores the content generated when clicking to pause, random screenshots, and file storage.

52. iQuran (meta2): Quran browsing text and audio storage files.

53. Autodesk: The mobile phone system comes with a storage command to generate a folder: store images or write documents, which can be viewed, backed up or deleted.

54. PixlrOMatic: Post-production special effects processing picture software Pixlo, save the folder and open it to preview the effect.

55. Mapbar: Mapbar navigation map stores files. It must have a master file and specific maps of different regions. If you delete the master file, you must download it again!

56. antTTS: Use Amap to select the voice type navigation and language download address. If you delete the voice prompt, it will be lost.

57. kingsoft: Kingsoft PowerWord special folder to download and store the vocabulary library, update and expand the vocabulary (officially released corrections and supplements).

58. NightVisionCamera: The address where night camera photos are stored.

59. DSA: Special clip for electronic dogs, which collects monitoring location information of road probes in various regions and will be updated regularly. It has been tested to cooperate with Amap and Kailide early warning, and the effect is good.

60. apexlauncher: The cutting-edge desktop launcher folder is located in andriod/data/ and contains the desktop settings backup bak file.