If you’re email signature is not showing when you compose an email this is normal. You will not see your email signature in the email preview in the Gmail App when creating your email message. To double check it has been included, you need to...

How to add a signature on iPhone On the iPhone, open the Settings app. Swipe down and choose Mail. Swipe down and tap Signature. Type your new signature text (this can be done for all accounts or on a per account basis). Select Mail. Ainsi,...

Add or change a signature Make sure that you’ve downloaded the Gmail app. On your iPhone or iPad, open the Gmail app . Tap the Menu . Scroll to the bottom, then tap Settings. Tap your account. Tap Signature settings. Switch the ‘Mobile signature’ setting...