Solution 35156: Attempting to Update a TI-Nspire Family Handheld Displays the Error: [M7] You Cannot Install a Version of the OS that is Older than the Currently Installed Version.
Resolving the error: "[M7] You cannot install a version of the OS that is older than the currently installed version", when attempting to update a TI-Nspire Family handheld Operating System.
The TI-Nspire Family of computer software will display the error: "[M7] You cannot install a version of the OS that is older than the currently installed version." when attempting to install an older version of the OS than the OS version previously installed on the TI-Nspire handheld.
To resolve this issue, install the latest version of the OS available for
your TI-Nspire Family Handheld using the instructions for updating the OS in Kbase#21390.
If you have questions about the information listed above, please contact TI-Cares for additional assistance.