how to switch or revert template to Old Blogger Dashboard.
Changing your template back to New Blogger.
When the time comes to change back to your original template you need to Click on 'Customize Design' in the dashboard.
A dialogue box will open up asking if you want to upgrade your template.
Click 'Upgrade your template'.
This will open to a template selection page.
Do not select a template.
Click 'Save Template'.
This should take you back to the the New Blogger Dashboard.
View your blog to make sure that the old widgets are where they should be.
If something went wrong and your widgets are not there, click on Edit HTML.
You can use the 'Upload a template from file' to browse and upload the back-up template that Blogger created for you in STEP 2.