After selecting downloaded pack file for 3.7.3 I get error show in the picture
Looking at tct logs I found this:
Major version missing in '..1'.
2026-08-05 23:00:59.3350 DEBUG [TmsCommunicator.DispatchProtoChannelResponse] Dialog Configurator.Communication.Dialogs.DfuIdentityDialog#4645 finished in 20.6874
2026-08-05 23:00:59.3351 0HNNJ6URISSNA:00000005 INFO [FirmwareUpdateService.GetFirmwareBundleUpdateInfoAsync] Can update Ble mcu's Firmware file from 1.7.0-rc.22 to 1.7.3
2026-08-05 23:00:59.3354 0HNNJ6URISSNA:00000005 ERROR [CustomExceptionMiddleware.HandleExceptionAsync] An unhandled exception has occurred while executing request: POST /api/en/updateFile/firmwarebundle System.FormatException: Major version missing in '..1'.
at Semver.SemVersion.Parse(String version, SemVersionStyles style, Int32 maxLength)
at Configurator.Shared.Web.FirmwareBundleUpdate.FirmwareBundleUpdateStep.GetUpdateType(String currentVersionString, String newVersionString)
at Configurator.Shared.Web.FirmwareBundleUpdate.FirmwareBundleUpdateStep..ctor(McuType mcuType, BundleFileType fileType, String fileName, String currentVersion, String newVersion)
at Configurator.Communication.Helpers.FirmwareBundleUpdateStepHelper.Create(FirmwareBundleItem file, DfuIdentity currentVersion) in C:\GitLab-Runner\builds\Zm34AByr9\0\dotnet\confi\tct\Configurator.Communication\Helpers\FirmwareBundleUpdateStepHelper.cs:line 10
at Configurator.Communication.FirmwareUpdateService.GetFirmwareBundleUpdateInfoAsync(FirmwareBundle firmwareBundle, CancellationToken ct) in C:\GitLab-Runner\builds\Zm34AByr9\0\dotnet\confi\tct\Configurator.Communication\FirmwareUpdateService.cs:line 336
at Configurator.Communication.FirmwareUpdateService.GetFirmwareBundleUpdateInfoAsync(Stream firmwareBundleStream, CancellationToken ct) in C:\GitLab-Runner\builds\Zm34AByr9\0\dotnet\confi\tct\Configurator.Communication\FirmwareUpdateService.cs:line 91
at ConfiguratorReact.Controllers.UpdateFileController.GetFirmwareBundleUpdateInfo(CancellationToken ct)
at ConfiguratorReact.Controllers.UpdateFileController.GetFirmwareBundleUpdateInfo(CancellationToken ct)
at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.TaskOfIActionResultExecutor.Execute(ActionContext actionContext, IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeActionMethodAsync>g__Awaited|12_0(ControllerActionInvoker invoker, ValueTask`1 actionResultValueTask)
at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeNextActionFilterAsync>g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeInnerFilterAsync>g__Awaited|13_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextResourceFilter>g__Awaited|25_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
at Microsoft.AspNetCore.Mvc.Filters.MiddlewareFilterBuilder.<>c.<<BuildPipeline>b__8_0>d.MoveNext()
--- End of stack trace from previous location ---
at Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextResourceFilter>g__Awaited|25_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResourceExecutedContextSealed context)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeFilterPipelineAsync>g__Awaited|20_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
at Microsoft.AspNetCore.Routing.EndpointMiddleware.<Invoke>g__AwaitRequestTask|7_0(Endpoint endpoint, Task requestTask, ILogger logger)
at Configurator.Core.Services.Bluetooth.BleStorageHandler.InvokeAsync(HttpContext context, IBleParameterStorage storage)
at ConfiguratorReact.Middleware.SessionMiddleware.InvokeAsync(HttpContext context, IDataServiceServer dataService)
at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
at Sentry.AspNetCore.SentryTracingMiddleware.InvokeAsync(HttpContext context)
at Microsoft.AspNetCore.ResponseCaching.ResponseCachingMiddleware.Invoke(HttpContext httpContext)
at ConfiguratorReact.Middleware.CustomHeadersMiddleware.InvokeAsync(HttpContext context)
at ConfiguratorReact.Middleware.CustomExceptionMiddleware.InvokeAsync(HttpContext context)
Tired with 3.7.1 and 3.7.0 with same results. Tried to reste config. Tried both with and without external power. Sim card was connected and network worked.