Software releases

Rollout started 24 Aug 2026 and is paused for a hotfix. Adds 38 keyboard languages, smarter suggestions, easier Maps setup, voicemail on supported networks, task lists in Notes and per-alarm vibration.

MuditaOS K 1.5.0 adds a new keyboard in 10 languages, optional A-GPS, swipe to answer calls, Czech and many fixes. Update from Settings, About, Software Update.

MuditaOS K 1.4.0 adds group messaging, Default Apps, big e-reader and Music Player upgrades, a lock screen music widget and security patches.

MuditaOS K 1.1.0 is the first Kompakt update: faster app start-up, smoother unlocking, SMS during calls, Wi-Fi and USB fixes.

Kompakt has EU and UKCA declarations of conformity, Australian RCM declarations and a UK PSTI statement. Its SAR values are listed here.

Adds Music playlists, a list of past Bluetooth devices, manual network selection and a fingerprint Unlock Mode, plus lock screen fixes.

Adds Maps navigation with voice guidance, an 80% charge limit with battery health info, a music widget and new accessibility settings.

Replaces the startup animation with a static Mudita logo.

Adds custom quotes, which you add and set up in Mudita Center, and fixes a misaligned charging symbol on the battery screen.

Adds custom alarm sounds, an update instructions screen and volume control for the focus timer. Fixes seven bugs.

Adds a Focus timer app and a sound at the end of meditation, plus a new countdown design in Meditation, Power Nap and Relaxation.

Lets Harmony turn on with 5% battery, speeds up updates and fixes two bugs, including a freeze after fast volume changes.

Adds a clock face with quotes and an update progress bar, and fixes two bugs, including Relaxation stopping after fast volume changes.

Adds low battery alerts below 15% and longer battery life, and fixes alarms ringing after being turned off during snooze.

Adds a gradual alarm volume increase and a 15-point volume scale, new progress bars and a factory reset that deletes user files.

Adds Colors of Noise to Relaxation, a brightness fade-in for the alarm and the MM/DD date format, and fixes an E Ink crash.

Adds shortcut instructions in Settings and fixes E Ink display errors, the alarm during onboarding and a slow Relaxation start.

Adds a notice when a charger is connected and turns off MTP, so files go to Harmony only through the File manager in Mudita Center.

Fixes 8 issues, including the meditation timer, the snooze icon staying on and uploads of music files with images in their metadata.

Improves system stability and crash handling, and records manual resets in the logs.

Shows the serial number and device version in Settings, About, and fixes 19 bugs, including alarm and backlight issues.

You can now add customized sounds (mp3, wav, and FLAC) and play them in Relaxation mode, using Mudita Center 2.0.0 or higher. We also fixed 12 bugs.

Moves to the ext4 file system, makes updates and resets safer and fixes 5 issues. Needs Mudita Center 1.7.0 to install.

Fixes Harmony freezing and draining the battery fast, and adds a notice to charge the device before first use.

Adds a bedside lamp, front light control during the alarm, looped Relaxation playback and a clock face with the date. Fixes 5 bugs.

Adds meditation statistics, a start delay of up to 90 seconds, a date setting and a battery icon. Fixes 17 bugs.

Lets you choose from 7 clock faces and set a meditation start delay. Fixes 32 bugs.

Harmony 1.5.1 (April 2022) fixes the clock losing sync and Harmony wrongly entering service mode over USB.

Adds scrolling between settings, a set order and updated sounds for alarms, and fixes 14 bugs, including battery status errors.

Adds transportation mode and the front light in Power Nap, updates the logo, fonts and translations, and fixes 41 bugs.

Uses less power when relaxation sounds play in a loop and fixes a crash with very long custom relaxation sounds.

Uses less power for the bedside lamp, extends the focus timer to 120 minutes and fixes a crash with non-standard MP3 files.

Adds a What's New screen after updates, fade-in and fade-out for relaxation sounds and custom bedside lamp settings. Fixes four bugs.

Rebuilt from scratch, with native support for Macs with M-series chips, Calendar backup, photo downloads and merging duplicate contacts.

Adds custom quotes for Harmony and Harmony 2, plus photo previews and file downloads for Mudita Kompakt on MuditaOS K 1.3.0.

Refreshes the Help section with new navigation and article search, and fixes seven bugs.

Lets you upload custom alarm sounds to Harmony in the Manage Sounds tab and makes the connection with Pure and Harmony more stable.

Lets you connect several Mudita devices at once and switch between them, shows each Harmony by color and fixes many bugs.

Removes the 100-file limit for Harmony Relaxation uploads and stops duplicate contacts and endless contact sync with Pure.

Fixes updating from 2.2.5 to 2.2.6 on Windows and links in the Terms of Service that did not open.

Updates Electron, Node.js, React and other key dependencies, removes unused ones and adds minor stability fixes.

Improves the Mudita Pure connection after MTP is turned off and shows Mudita Center as a verified publisher in Outlook import.

Improves the update status badges for Mudita Center and MuditaOS, and fixes a deleted second phone number still showing.

Fixes 6 bugs in Contacts, Backup and File manager, including file transfers that did not stop when the device disconnected.

Mudita Center 2.2.2 (September 2023) improves first-time setup when you connect a Mudita Pure.

Lets you change the order of message templates, improves support tickets and fixes 8 bugs, including numbers with prefixes.

Fixes 22 bugs, including Harmony uploads over 100 files, the passcode lock, and deleted messages and contacts still showing.

Asks you to read and accept the Privacy Policy when you update and first open Mudita Center, and fixes 13 bugs.

Fixes 14 bugs, including empty contacts on import, invalid phone numbers and contact names in new message threads.

Now you can upload your favorite audio files directly to Mudita Harmony. We also fixed 17 issues within the application.

Adds sequential updates that bring the OS to the required version in one click and a Harmony serial number preview. Fixes 11 bugs.

Fixes 18 bugs, including Google contact import with many contacts, restore, and sending crash reports from Harmony.

Adds a music file manager for Mudita Pure: upload, search and delete music and check free space. Needs MuditaOS 1.4.0.

Adds message sending status and search in Messages, a 32-character limit for contact data, and fixes 13 bugs.

Mudita Center 1.5.2 (August 2022) fixes the app's auto-update and removes more personal data from logs.

Adds message templates, unread and failed statuses and contact sharing in Messages, and fixes 9 bugs. Pure needs MuditaOS 1.3.0.

Mudita Center 1.4.2 (August 2022) fixes syncing between Mudita Center 1.4.1 and Mudita Pure.

Lets you send messages longer than 115 characters and fixes 5 bugs. Same as 1.4.0, released again to fix the version name.

Lets you send messages longer than 115 characters and fixes 5 bugs, including Pure reconnecting over USB.

Mudita Center 1.3.1 (2022) renews the app's certificates for Windows.

Shows the sync status and serial number of Mudita Pure in Overview, and adds small UI improvements.

Adds a contact preview when importing and fixes 17 bugs, including duplicate contacts from two sources.

Adds writing and sending messages, Pure backup and restore, and Harmony onboarding and updates. Fixes 33 bugs.

Adds music and APK uploads for Mudita Kompakt, faster transfers over MTP and SD card management. Apps and SD card need MuditaOS K 1.2.0.

Lets you manage Mudita Kompakt data: import contacts, back up and restore messages, calls and alarms, and upload photos and ebooks.

Syncs the time and date on Mudita Harmony with your computer, shows which devices are connected and warns you if a sync fails.

Fixes the light flashing at power off, a freeze after onboarding in Spanish and a rare reboot problem, and updates the EULA.

Fixes 17 bugs, including the alarm during calls and crashes when connecting to Mudita Center, and improves battery performance.

MuditaOS 1.7.2 (2023) fixes the Pure crashes and freezes some users had after updating to 1.7.1.

Fixes 40 bugs, including ghost calls, USSD codes, missing message notifications and crashes when turning off the phone.

Fixes 50 bugs and always shows the network type and signal strength in the status bar. Adds legal documents in French, Spanish and Swedish.

Adds a new update, backup, restore and factory reset process and better USSD handling, and fixes 35 bugs.

MuditaOS 1.5.1 (February 2023) is a stepping-stone release that lets Pure upgrade to MuditaOS 1.6.0.

Adds VoLTE calls and texts for US users and tethering info in the status bar, simplifies SIM and PIN settings and fixes 12 bugs.

Adds basic MMS, a Bluetooth state refresh and better keyboard response, and fixes many bugs in calls, messages and Bluetooth.

Adds Bluetooth battery and network status for hands-free, deleting all calls and longer battery life. Fixes 64 bugs.

MuditaOS 1.2.1 (June 2022) improves Pure's call and audio quality with new audio parameters.

Adds quotes as lock screen wallpaper, the Abc input mode and support for more audio formats, and fixes 90 bugs.

Changes the speaker equalizer settings and fixes 4 bugs, including critical battery charging issues.

Changes the Bluetooth device name and keyboard backlight, and fixes 13 bugs, including alarm snooze and contacts disappearing.

Fixes 4 bugs, including contacts disappearing after editing and MTP on Windows. 1.0.2 only corrects the version name.

Adds experimental VoLTE in Denmark, Great Britain, the Netherlands, Canada and Austria, and fixes one bug.

Adds experimental VoLTE in Germany and turns off MTP, so files go to Mudita Pure only through the File Manager in Mudita Center.

Adds VoLTE in Poland as a beta feature, improves stability related to frequency scaling and fixes 11 bugs.