Add a signature to your text messages using these steps.
- Open the "Messaging" apps.
- Press the "Menu" located at the upper-right corner of the screen.
- Choose "Settings".
- Tap "Add signature to messages" to enable text message signatures, then tap "Edit signature text".
- Type your desired signature, then select "OK".
Your signature will now be automatically added to each text message you send.
Otherwise, you can use applications from the Google Play Store - SMS Signature is a good one to try!
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