HTC G 15 SMS signature
You can press the three horizontal keys-All Applications-Information-Three horizontal keys-Settings-General on the main screen of the mobile phone, and then scan down the screen in the general settings interface of SMS, find the signature option at the bottom of the interface and check it. After verification, click the Use Signature option at the bottom of the screen, edit your signature in the pop-up Edit Signature box, and press OK after editing.