Blogroll1, HTML1, HTML2, HTML3 will be deleted automatically when uploading new xmltemplate.Based on this, to change blogger template safely is copying the template xml widget code from old template to new template in the xml which will be uploaded.Follow this step below :

* First download and save your old template, open Edit HTML and click on Download Full Template
* Download notepad + + freeware to re-edit, download here
* Open old xml template (that you've downloaded first) and new xml template using notepad + +
* Copy widget code from old template , for example in the sidebar widget, copy the code between




COPY ALL CODE HERE