How to delete SMS if the old machine confirmation key is broken?

If the confirmation key is corrupted, the message cannot be deleted.

Because the old machine is not a smart phone and can't touch the screen, the buttons are very important, so it is recommended to repair it.

Man-machine products for the elderly are generally single in function, and mobile phones for the elderly are widely used by the elderly, which has an important impact on the popularization of telecommunications terminals in the country, allowing the elderly to fully experience modern life, with telephone and SMS functions to meet daily use.