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List of common mobile phones related file extensions
Files typically encountered in various mobile platforms, including Android, iOS, Windows Phone, Blackberry OS or similar.
Common mobile phone related files may change in time as the popularity and significance of some formats can change.
Whole category of mobile phone related files contains now 116 file types. Show all mobile phones related file types.
 apk | An apk file extension is used for Google Android application packages for Android-based devices. apk files are renamed zip files used to install Android smartphone and tablet apps. |
 asec | Files with asec extension are used for Android encrypted application packages. ASEC file format was introduced in Android 2.2 and allows users to move applications on the SD card installed in their Android phone in encrypted format. |
| bbb | Files with bbb extension can be generally found as backup files of Blackberry smart phone created in the Blackberry Link or Blackberry desktop software for PC or Mac. |
| crypt | Files with crypt extension are most likely best known as chat history backups made from WhatsApp messaging app. |
| crypt14 | Files with the crypt14 extension can be found as encrypted chat history databases from the 2021 version of WhatsApp Messenger instant messaging client for Android. |
| crypt15 | Files with crypt15 extension can be found as encrypted chat history databases from latest version (year from 2022) of WhatsApp Messenger instant messaging client for Android. |
 ipa | Files with ipa extension can be often found as app packages downloaded from Apple iTunes app store. Used to manually install apps. |
| ipd | Files with ipd file extension can be found as backup files from older backup files from Blackberry mobile phones prior 2012. |
 ipsw | Files with ipsw extension can be found as firmware update files for iPhone, iPad or iPod Touch. IPSW archive contains DSG Apple disk images with iOS system installation, updates and fixes that are installed to iOS device via iTunes. |
| lqm | Files with lqm extension are in most cases memo notes saved in the LG's Quick Memo app which is available for Optimus UI and LG UX interfaces. |
 mdbackup | A mdbackup file extension is mainly related to one of the backup formats used in iOS devices like iPhone. |
 nbh | An nbh file extension is used for files that contain ROM upgrade data for HTC smartphones. Used for firmware update purposes. |
| nomedia | Files with nomedia extension can be found in Android smartphones. These 0kb sized files are used to hide certain audio files so they do not appear in media player. |
| npf | Files with npf file extension can be usually found as phone backup from certain Samsung phones. |
| obb | Files with obb extension can usually be found as special, encrypted archives for Android APKs that contain additional content, graphics, map packs, multimedia files, and more. Common for all large and complex Android apps. |
| pkpass | Files with the pkpass extension are electronic versions of tickets for the Apple Wallet/Passbook platform for iOS (iPhone, iPad) devices. They are used as a digital passes for movie tickets, loyalty cards, and boarding passes,. |
 rem | Files with rem extension were traditionally used encrypted files on Blackberry devices. You can encrypt them in your device or with use of Blackberry Desktop Software if you known encryption password. |
| rsc | Files with rsc extension can be commonly found as resource files for various programs and platforms. |
 sbf | Files with sbf extension are mainly used for backups created with the Sony Ericsson Backup and Restore program for Xperia smart phones. These files store backup of phone settings, MMS and SMS messages, phone book, call logs and applications. |
| sis | Files with sis suffix can be most typically found as installation sources for Symbian applications that were designed for Nokia Smartphones. SIS is abbreviation for Symbian Installation Source. |
| sisx | Files with sisx extension can be typically found as executable installation files for mostly Symbian based mobile phones (Nokia, Motorola, Samsung). |
| spd | Files with spd extension are in most cases found as special hand written documents - notes made using the S Note app in Galaxy Note 3 or later. |
A thm file extension is used for files that contain themes for Sony Ericsson mobile phones. These files can be created with Sony Ericsson Theme Creator. | |
| tpk | Files with tpk extension can be typically found as application installation packages for Tizen mobile operating system. |
 vcf | Files with vcf extension are almost always contacts saved in vCard format. Typically used various Personal Information Managers or e-mail clients (for example Outlook), as well as exported from mobile phones, for the purposes of sharing or migrating contacts from one device to another. |
 xap | Files with xap file extension are mainly related to Windows Phone apps and Microsoft Silverlight installation resource files. Used for Silverlight apps. |
| xapk | Files with xapk extension are compressed app installation packages in alternative XAPK Installer application installation tool for Android. |
This is a list of some the most common file types from this category and may change in time as the popularity and significance of some formats can change. Whole category of mobile phone related files contains now 116 file types. Show all mobile phones related files.
