I'm on a tracphone Samsung galaxy sky mobile phone. Model number is SM-S320VL. I accidently cleared my default setting in my applications settings for gmail. Now I can't reset it please help. Send info to valeriaruff@gmail.com
You can uninstall from Google Play is then install back.
Or you can go to Settings => Apps => All => search for "GMail" and press it => Press button "Force Stop" => Press button "Clear Data" => Press button "Clear cache".
Now you can restart you Gmail, it will have your default settings only.