1) Open an email containing your email signature using your iOS device.
2) Double tap a word in the email signature to select it. Drag the circle at either end of the selection to include the whole signature.
3) Tap "Copy", then tap the home button.
4) Tap "Settings", then scroll down and tap "Mail".
5) Scroll down and tap "Signature".
6) Delete the existing signature, then press and hold on an empty space in the signature field. Tap "Paste".
Optional: Sometimes your device will reformat the layout of the signature you've pasted in. If this happens shake the device, then tap "Undo".
7) Tap "Mail" in the top left corner to save your changes.
