You can download the upgrade software from Nokia Store.

To upgrade the Mail for Exchange client on your Nokia Asha device,

  1. Go to the Store app on your phone.
  2. Search for Mail for Exchange.
  3. Download the Mail for Exchange installation file from Nokia Store.
  4. Follow the displayed instructions.

Note:  You can also check for updates in the new version (Mail for Exchange v1.1.19 onwards) in the About screen where you have a link to Update. On selecting the link you will be prompted to update your Mail for Exchange client if there is a newer version available.: