diff --git a/src/app/screens/LoginScreen.js b/src/app/screens/LoginScreen.js
index b2c2e0f..7f9c644 100644
--- a/src/app/screens/LoginScreen.js
+++ b/src/app/screens/LoginScreen.js
@@ -141,7 +141,7 @@ export default function LoginScreen(props) {
               maxLength={12}
               name="name"
               keyboardType="numeric"
-              placeholder="Número de telefone celular"
+              placeholder="(DD) XXXXX-XXXX"
             />
           </View>
 
diff --git a/src/app/screens/RegisterScreen.js b/src/app/screens/RegisterScreen.js
index d49d95b..3008459 100644
--- a/src/app/screens/RegisterScreen.js
+++ b/src/app/screens/RegisterScreen.js
@@ -41,7 +41,7 @@ import CheckBox from "../components/forms/CheckBox";
 import defaultStyles from "../config/styles"
 
 const phoneRegex = RegExp(
-  /^\(?[\(]?([0-9]{2,3})?\)?[)\b]?([0-9]{4,5})[-. ]?([0-9]{4})$/
+  /^\(?[\(]?([0-9]{2})?\)?[)\b]?([0-9]{4,5})[-. ]?([0-9]{4})$/
 );
 
 const validationSchema = Yup.object().shape({
@@ -444,7 +444,7 @@ export default function RegisterScreen(props) {
                 flex={1}
                 maxLength={12}
                 name="number"
-                placeholder="(DDD) XXXXX-XXXX"
+                placeholder="(DD) XXXXX-XXXX"
                 paddingRight={2}
               />
             </View>