diff --git a/config.xml b/config.xml
index ad92d44..6ee0140 100644
--- a/config.xml
+++ b/config.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<widget id="com.unam.acatan.sintomapp" version="0.0.11" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
+<widget id="com.unam.acatan.sintomapp" version="0.0.12" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
     <name>SintomApp-Acatlan</name>
     <description>An app for control an visualizatión of a pandemic data like simphtoms evolution and sumarized data in the 'FES Acatán UNAM'</description>
     <author email="aisgxvso@comunidad.unam.com" href="http://ionicframework.com/">Axel Iván Solano González</author>
diff --git a/src/app/loggin/loggin.page.html b/src/app/loggin/loggin.page.html
index 5b7d9f6..06f8854 100644
--- a/src/app/loggin/loggin.page.html
+++ b/src/app/loggin/loggin.page.html
@@ -7,7 +7,6 @@
 </ion-header>
 
 <ion-content [fullscreen]="true" class="grad">
-    <ion-icon slot="end" name="help-circle-outline" (click)="presentAlertCredenciales()"></ion-icon>
   <div class="ion-padding">
   <form #ngForm="ngForm">
     <ion-item color="translucent">
@@ -22,6 +21,7 @@
     </ion-item>
 
     <ion-item color="translucent">
+      <ion-icon slot="end" name="help-circle-outline" (click)="presentAlertCredenciales()"></ion-icon>
       <ion-icon slot="start" name="key" color="secondary"></ion-icon>
       <ion-label position="floating">Contraseña</ion-label>
       <ion-input type="password" placeholder="Contraseña de escolares" 
diff --git a/src/app/student/student.page.html b/src/app/student/student.page.html
index e81c9c8..7f7cf1d 100644
--- a/src/app/student/student.page.html
+++ b/src/app/student/student.page.html
@@ -29,7 +29,7 @@
       <ion-label color="ligth">Calle: {{ data.street }}</ion-label>
     </ion-item>
     <ion-item color="translucent">
-      <ion-label color="ligth">Número: {{ data.noExt }} </ion-label>
+      <ion-label color="ligth">Número Exterior: {{ data.noExt }} </ion-label>
     </ion-item>
     <ion-item color="translucent">
       <ion-label color="ligth">Número Interior: {{ data.noInt }}</ion-label>
diff --git a/src/app/tab1/tab1.page.html b/src/app/tab1/tab1.page.html
index 74d369e..f99bb34 100644
--- a/src/app/tab1/tab1.page.html
+++ b/src/app/tab1/tab1.page.html
@@ -36,19 +36,19 @@
     </ion-item>
     <ion-item color="translucent">
       <ion-label>Número Exterior: </ion-label>
-      <ion-input placeholder="Número" type="number" [(ngModel)]="data.noExt" name="noExt" color="ligth" required></ion-input>
+      <ion-input placeholder="Número Exterior" inputmode="numeric" [(ngModel)]="data.noExt" name="noExt" color="ligth" min=1 max=32000 maxlength=5 required></ion-input>
     </ion-item>
     <ion-item color="translucent">
       <ion-label>Número Interior: </ion-label>
-      <ion-input placeholder="Número Interior" type="number" min=1 [(ngModel)]="data.noInt" name="noInt" color="ligth" ></ion-input>
+      <ion-input placeholder="Número Interior" inputmode="numeric" min=1 [(ngModel)]="data.noInt" name="noInt" color="ligth" ></ion-input>
     </ion-item>
     <ion-item color="translucent">
       <ion-label>Colonia: </ion-label>
-      <ion-input placeholder="Colonia" [(ngModel)]="data.suburb"  name="suburb" color="ligth" required></ion-input>
+      <ion-input placeholder="Colonia" [(ngModel)]="data.suburb"  name="suburb" color="ligth" required ></ion-input>
     </ion-item>
     <ion-item color="translucent">
       <ion-label>Código postal: </ion-label>
-      <ion-input placeholder="Codigo postal" inputmode="numeric" [(ngModel)]="data.cp" name="cp" color="ligth" required></ion-input>
+      <ion-input placeholder="Codigo postal" inputmode="numeric" [(ngModel)]="data.cp" name="cp" color="ligth" maxlength=5 required></ion-input>
     </ion-item>
     <ion-item color="translucent">
       <ion-label>Estado: </ion-label>
@@ -58,7 +58,7 @@
 </ion-content>
 <ion-footer>
   <div class="ion-padding">
-    <ion-button (click)="sendUpdate()">
+    <ion-button (click)="sendUpdate()" [disabled]="!ngForm.valid">
       <ion-icon name="save-outline"></ion-icon>
       Guardar
     </ion-button>
diff --git a/src/app/tab1/tab1.page.ts b/src/app/tab1/tab1.page.ts
index 145816b..bef664e 100644
--- a/src/app/tab1/tab1.page.ts
+++ b/src/app/tab1/tab1.page.ts
@@ -1,5 +1,5 @@
 import { Component, OnInit } from '@angular/core';
-import { NavController } from '@ionic/angular';
+import { AlertController, NavController } from '@ionic/angular';
 import { LocalNotifications } from '@ionic-native/local-notifications/ngx';
 import { AuthService } from '../services/auth.service';
 import { LoaderService } from '../services/loader.service';
@@ -15,15 +15,17 @@ export class Tab1Page implements OnInit{
   
   data={ email:"" ,phone:null,street:"",noExt:null, noInt:null ,suburb:"",cp:"",state:""};
 
+  availableToSymtoms = false;
+
   constructor(
     private auth: AuthService,
     private loader: LoaderService,
     private localNotifications: LocalNotifications,
     private nav: NavController,
-    public activatedRoute : ActivatedRoute) {
+    public activatedRoute : ActivatedRoute,
+    public alertController: AlertController) {
      this.auth.store.get("info").subscribe(
        res => {
-         console.log("Response on loggin",res)
         this.data.email = res.email;
         this.data.phone = res.phone;
         this.data.street = res.street;
@@ -33,6 +35,9 @@ export class Tab1Page implements OnInit{
         this.data.cp = res.cp;
         this.data.state = res.state;
         this.name=res.name;
+        if  (this.data.email != ""){
+          this.availableToSymtoms = true;
+        }
        }
      );
   }
@@ -43,11 +48,29 @@ export class Tab1Page implements OnInit{
     const request = this.auth.store.create("update",this.data);
     console.log(request);
     this.loader.do(request, 'Guardando información');
+    this.availableToSymtoms = true;
   }
 
   moveOn(){
+    if(this.availableToSymtoms){
     this.nav.navigateForward('/simtoms')
   }
+  else {
+    this.alertSave()
+  }
+  }
+
+  async alertSave() {
+    const alert = await this.alertController.create({
+      cssClass: 'my-custom-class',
+      header: 'Atención',
+      message: 'Recuerda guardar tu información antes de enviar tus sintomas',
+      buttons: ['OK']
+    });
+    await alert.present();
+    const { role } = await alert.onDidDismiss();
+    console.log('onDidDismiss resolved with role', role);
+  }
 
   dailyNotification(){
     this.localNotifications.schedule({
diff --git a/src/app/tab2/tab2.page.html b/src/app/tab2/tab2.page.html
index 4cff421..4719059 100644
--- a/src/app/tab2/tab2.page.html
+++ b/src/app/tab2/tab2.page.html
@@ -6,7 +6,7 @@
       Enviar
     </ion-button>
     <ion-title>
-      Sintomas
+      Síntomas
     </ion-title>
   </ion-toolbar>
 </ion-header>