Version 4.1.0 Update
Version 4.1.0 Update of MementoMori was released on October 28, 2025. Read on for details of the Version 4.1.0 update, the errors fixed, its release date, as well as some guidelines on updating to version 4.1.0 of MementoMori.
List of Contents
MementoMori Version 4.1.0 Update
Revision Details
| Before Revision | After Revision |
|---|---|
| ・Made improvements to the Regular Shop (to be implemented on 10/30) ┗ Adjusted the Lv of Adamantite available so they do not exceed the value of the Gear Lv that can currently be equipped. |
・Made improvements to the Regular Shop (to be implemented on 10/30) ┗ Adjusted the Max Lv of Adamantite available to be your Party Lv+ 20. |
Update Details
- Added a feature that allows you to select any of your unlocked songs from the Music Player to play in the background during gameplay (to be implemented on 10/30)
┗ With the exception of select screens, songs can be played anywhere in-game. - Made an improvement to Friend Battles so that you can now set comments for your Defense Party
┗ Along with the improvement above, the UI on the Friend Battles screen has been updated. - Made improvements to the Regular Shop (to be implemented on 10/30)
┗ Adjusted the Lv of Adamantite available so they do not exceed the value of the Gear Lv that can currently be equipped. - Upgraded skills for (The Witch of Wailing Lightning) Cerberus (to be implemented on 10/30)
┗ For more details, please see the notice that will be sent out on the day the upgrades will be implemented. - Added Fenrir and (The Witch of Wailing Lightning) Cerberus's Lament Monologues (to be implemented on 10/30)
Errors Fixed
- Fixed a problem that may have caused the app to forcibly shut down on the Chat screen
- Fixed a skill error for (The Witch of God's Curse) Illya (to be implemented on 10/30)
┗ Fixed a problem after maintenance on 9/16, where after (The Witch of God's Curse) Illya took counterattack damage that would reduce her HP to 0, her survival and HP restoration via "The Angel Who Bears '0"' would not activate properly. - Other small errors have been fixed
MementoMori Version 4.1.0 Update Guidelines
Warnings and Guidelines
- When updating the app, please do not uninstall MementoMori from your device.
- Perform an “Account Link” before updating the app.
- When logging in right after updating the app, the World set for you to log into may be the “Recommended” World, so if a World that you normally do not log into is displayed on the Title screen, please check the “Select World” screen.
- The time it takes for the update to be installed may differ depending on the device you use.
- Update the app using Wi-Fi.
MementoMori Version 4.1.0 Update Release Date
Released on October 28, 2025
MementoMori Version 4.1.0 Update was released on October 28, 2025. The update can be downloaded from your platform's store (App Store, Google Play, Steam). The update becomes mandatory on October 30, 2025.
MementoMori Related Guides
Latest News
| Latest News | |
|---|---|
| 3rd Anniversary Campaign Events and Guide | 3rd Anniversary Countdown Presents Guide |
| Version 4.2.0 Update | Version 4.3.0 Update |
All Current Events
| Current Events | Duration |
|---|---|
 12/9, 12/14 Grand Battles! |
Round 1: December 9 (UTC-7) - December 14 (UTC-7) Round 2: December 23 (UTC-7) - December 28 (UTC-7) |
 Into the Cave of Miracle Seekers |
November 28, 2025 4:00 (UTC-7) - December 8, 2025 3:59 (UTC-7) |
All Patch Notes and Updates
| Version 4.2.0 | |
|---|---|
| 4.2.0 | 4.3.0 |
| Version 4.1.0 | |
| 4.1.0 | - |
| Version 4.0.0 | |
| 4.0.2 | 4.0.0 |
| Version 3.0.0 | |
| 3.23.1 | 3.23.0 |
| 3.22.0 | 3.21.2 |
| 3.21.0 | 3.20.0 |
| 3.19.2 | 3.19.0 |
| 3.18.0 | 3.17.0 |
| 3.16.0 | 3.13.0 |
| 3.12.0 | 3.11.0 |
| 3.10.0 | 3.9.0 |
| 3.8.0 | 3.7.0 |
| 3.6.0 | 3.5.0 |
| 3.4.0 | 3.3.0 |
| 3.2.0 | 3.1.0 |
| 3.0.1 | 3.0.0 |
| Version 2.0.0 | |
| 2.23.0 | 2.22.1 |
| 2.21.1 | 2.21.0 |
| 2.20.0 | 2.19.0 |
| 2.18.0 | 2.17.0 |
| 2.16.0 | 2.15.0 |
| 2.14.0 | 2.13.0 |
| 2.12.0 | 2.11.0 |
| 2.10.0 | 2.9.1 |
| 2.9.0 | 2.8.0 |
| 2.7.0 | 2.6.0 |
| 2.5.1 | 2.5.0 |
| 2.4.0 | 2.3.1 |
| 2.3.0 | - |
All News
All Previous Events
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