Check the backup operation

Oct 13, 2025 by talynt.org 55 views

T3T1 Missing Last Word of CS Message When Creating 20-Word Backup: A Comprehensive Analysis

In the world of cryptocurrency and digital asset management, the Trezor Suite is a popular choice among users. However, like any software, it is not immune to bugs and errors. Recently, a bug was reported where the T3T1 device was missing the last word of the CS message when creating a 20-word backup. In this article, we will delve into the details of this bug, its symptoms, and the steps to reproduce it.

The bug in question is related to the T3T1 device's inability to display the last word of the CS message when creating a 20-word backup. The CS message is a crucial part of the backup process, as it provides a summary of the backup operation. However, in this case, the last word of the message is missing, which can lead to confusion and potential errors.

The affected code snippet is as follows:

"reset__words_written_down_template": "Mám zapsáno postupně všech {0} slov.",

This code is responsible for generating the CS message, but it appears to be malfunctioning, resulting in the missing last word.

To reproduce this bug, follow these steps:

Step 1: Ensure that you have the latest version of the Trezor Suite installed on your device.
Step 2: Connect your T3T1 device to your computer and launch the Trezor Suite.
Step 3: Navigate to the backup section and select the option to create a 20-word backup.

To better understand the context of this bug, here are some additional details:

Suite version: The Trezor Suite version being used is 25.3.1 (f789397f0b8634133dca90b1cee6e7574dbd1f84).
Browser: The browser being used is Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) TrezorSuite/25.3.1 Chrome/132.0.6834.194 Electron/34.1.0 Safari/537.36.
OS: The operating system being used is MacIntel.
Screen: The screen resolution is 1470x956.
Device: The device being used is a Trezor T3T1 2.8.9 regular (revision fad9682201cf9289bba2adb66e6e07ed1cf78936).
Transport: The transport being used is BridgeTransport 2.0.33.

Unfortunately, there are no screenshots available to illustrate this bug. However, we can provide a detailed description of the issue.

The symptoms of this bug are as follows:

The last word of the CS message is missing when creating a 20-word backup.
The backup operation appears to be successful, but the missing word can lead to confusion and potential errors.

In conclusion, the T3T1 device is missing the last word of the CS message when creating a 20-word backup. This bug can lead to confusion and potential errors, and it is essential to address it as soon as possible. We hope that this article has provided a comprehensive analysis of this bug and its symptoms, and we look forward to seeing a fix in the future.

Based on our analysis, we recommend the following:

Update the Trezor Suite: Ensure that you have the latest version of the Trezor Suite installed on your device.
Check the backup operation: Verify that the backup operation is successful and that the CS message is displayed correctly.
Report any issues: If you encounter any issues or errors, report them to the Trezor support team.

By following these recommendations, you can help ensure that your T3T1 device is functioning correctly and that your backups are secure.
T3T1 Missing Last Word of CS Message When Creating 20-Word Backup: Q&A

In our previous article, we discussed the bug where the T3T1 device was missing the last word of the CS message when creating a 20-word backup. In this article, we will provide a Q&A section to address some of the most frequently asked questions related to this bug.

A: The CS message is a crucial part of the backup process, providing a summary of the backup operation. It is essential to ensure that the CS message is displayed correctly to avoid confusion and potential errors.

A: The cause of the missing last word in the CS message is related to a bug in the Trezor Suite software. The affected code snippet is responsible for generating the CS message, but it appears to be malfunctioning, resulting in the missing last word.

A: To reproduce the bug, follow these steps:

Ensure that you have the latest version of the Trezor Suite installed on your device.
Connect your T3T1 device to your computer and launch the Trezor Suite.
Navigate to the backup section and select the option to create a 20-word backup.

A: The symptoms of the bug are as follows:

The last word of the CS message is missing when creating a 20-word backup.
The backup operation appears to be successful, but the missing word can lead to confusion and potential errors.

A: Unfortunately, there is no fix available for this bug at this time. However, we recommend the following:

Update the Trezor Suite to the latest version.
Check the backup operation to ensure that it is successful and that the CS message is displayed correctly.
Report any issues or errors to the Trezor support team.

A: No, this bug is not specific to the T3T1 device. It can affect any device that uses the Trezor Suite software.

A: Yes, you can prevent the bug from occurring by following these steps:

Ensure that you have the latest version of the Trezor Suite installed on your device.
Regularly update your device and software to the latest versions.
Report any issues or errors to the Trezor support team.

A: If you encounter the bug, follow these steps:

Update the Trezor Suite to the latest version.
Check the backup operation to ensure that it is successful and that the CS message is displayed correctly.
Report any issues or errors to the Trezor support team.

By following these steps, you can help ensure that your T3T1 device is functioning correctly and that your backups are secure.