If you’re looking to install an older version of Snapchat on your Android phone, there are a few things you can do to make sure the installation goes smoothly. First, make sure that your phone is up to date with the latest security patches. Next, be sure to enable Unknown Sources in your Android settings. Finally, be sure to follow the prompts in the installer to complete the installation. Once everything has been completed, you’ll be able to access your old Snapchat account from within your Android phone.