How to Switch between Open Apps?
When running an app, you can minimize it by simply tapping the Home icon. Getting back to it is not just one click on the taskbar like the way you do ...
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You can send an e-mail with signature from your smartphone, just follow this:
Open the app Email, tap the Menu button, then Settings.
Tap the email account that you've set up.
Tap 'Signature', enter a signature in a few words you like then tap 'OK' to confirm.
for example : "I sent this e-mail with my phone"