--- title: 🔑 Mobile door opening, keys & access control in Cuatro Caminos Coliving description: Cuatro Caminos Coliving is prepared with the best tech to make your life easier! One of the highlights is our smart locks. You can open all doors you have access to with a smartphone, but also with a physical key! 📱 🔑 --- [Skip to content](https://support.urbancampus.com/access-control-cuatro-caminos#main-content) - [English](https://support.urbancampus.com/access-control-cuatro-caminos) - [Español](https://support.urbancampus.com/es/control-acceso-cuatro-caminos) English Show submenu for translations [Contact support](https://support.urbancampus.com/kb-tickets/new?hsLang=en) [![UC logo white hozizontal.png\]](https://support.urbancampus.com/hs-fs/hubfs/UC%20logo%20white%20hozizontal.png?height=40&name=UC%20logo%20white%20hozizontal.png)](https://support.urbancampus.com/?hsLang=en) Open main navigation Close main navigation - - [English](https://support.urbancampus.com/access-control-cuatro-caminos) - [Español](https://support.urbancampus.com/es/control-acceso-cuatro-caminos) English Show submenu for translations - [Contact support](https://support.urbancampus.com/kb-tickets/new) - [Go to Urban Campus website](https://urbancampus.com/) [Go to Urban Campus website](https://urbancampus.com/) WELCOME TO THE URBAN CAMPUS GUIDE - There are no suggestions because the search field is empty. 1. [Urban Campus Guide](https://support.urbancampus.com/?hsLang=en) 2. [SPACES IN SPAIN](https://support.urbancampus.com/spaces-in-spain?hsLang=en) 3. [Madrid Cuatro Caminos Coliving](https://support.urbancampus.com/spaces-in-spain?hsLang=en#madrid-cuatro-caminos-coliving) # 🔑 Mobile door opening, keys & access control in Cuatro Caminos Coliving ## Cuatro Caminos Coliving is prepared with the best tech to make your life easier! One of the highlights is our smart locks. You can open all doors you have access to with a smartphone, but also with a physical key! 📱 🔑 ### 📱 Mobile opening installation: Salto KS Keychain #### Step 1: ✉️ Accept the Salto invitation to Urban Campus A couple of days before your move-in, you will receive an email to the email address you used to subscribe to Urban Campus, with the subject "Your invitation to Urban Campus / Su invitación a Urban Campus", from Salto Keys as a Service. Please check your spam inbox if you don't see it! Click on "Start/Empezar" to create an account! **Note: This invitation is only valid 3 days after being sent. If you need a new invitation because the link has expired, please send an email to support@urbancampus.com, and we'll send you a new invitation during working days.** ![Captura de pantalla 2021-03-18 a las 11.04.24](https://support.urbancampus.com/hs-fs/hubfs/Captura%20de%20pantalla%202021-03-18%20a%20las%2011.04.24.png?width=411&name=Captura%20de%20pantalla%202021-03-18%20a%20las%2011.04.24.png) #### Step 2: 🔑 Create an account on Salto Create an account by filling up your personal details and creating a password. Please use a phone number you currently have access to, as you will receive a confirmation SMS. You will also be able to choose the language the account will use!  ![Captura de pantalla 2021-03-18 a las 11.06.33](https://support.urbancampus.com/hs-fs/hubfs/Captura%20de%20pantalla%202021-03-18%20a%20las%2011.06.33.png?width=688&name=Captura%20de%20pantalla%202021-03-18%20a%20las%2011.06.33.png) #### Step 3: ☁️ Download the Salto KS Keychain app on your smartphone Salto has 2 apps: - Salto KS, with admin features for the infrastructure management that you cannot use anyway. - **KS Keychain**, lighter and simpler app. You can use both, but we strongly recommend the use of the KS Keychain app: ➡️ [App Store](https://apps.apple.com/us/app/ks-keychain/id6463868580) ⬅️ ➡️ [Play Store](https://play.google.com/store/apps/details?id=com.saltoks.keychain.app&pli=1) ⬅️ ### ![IMG\_AD80481C8E96-1](https://support.urbancampus.com/hs-fs/hubfs/IMG_AD80481C8E96-1.jpeg?width=214&height=139&name=IMG_AD80481C8E96-1.jpeg) ⌚️ *You can also pair your Salto KS Keychain app with your Apple Watch or Wear OS smartwatch to open doors directly using your wearable device.*  #### Step 4: 🏠 Log into the Salto KS Keychain app Use the username and password you just created. ![IMG\_2639](https://support.urbancampus.com/hs-fs/hubfs/IMG_2639.jpg?width=205&height=314&name=IMG_2639.jpg)![IMG\_2640](https://support.urbancampus.com/hs-fs/hubfs/IMG_2640.jpg?width=216&height=329&name=IMG_2640.jpg) #### Step 5: 🗝 Let the Digital Key install on your mobile phone It will only take a few seconds ![Captura de pantalla 2024-11-12 a las 17.50.00](https://support.urbancampus.com/hs-fs/hubfs/Captura%20de%20pantalla%202024-11-12%20a%20las%2017.50.00.png?width=632&height=354&name=Captura%20de%20pantalla%202024-11-12%20a%20las%2017.50.00.png) #### Step 6: 🚪 Open a door! To open a door with your phone: 1\. Click on the Digital Key icon *![Captura de pantalla 2021-03-18 a las 11.26.12](https://support.urbancampus.com/hs-fs/hubfs/Captura%20de%20pantalla%202021-03-18%20a%20las%2011.26.12.png?width=38&height=140&name=Captura%20de%20pantalla%202021-03-18%20a%20las%2011.26.12.png)* 2\. Tap your phone to the Salto lock. The Digital Key will recognize the lock, load for a second or two, and then the light in your lock will turn on. You can then push the handle and open the door!  ![Captura de pantalla 2021-03-18 a las 11.29.07](https://support.urbancampus.com/hs-fs/hubfs/Captura%20de%20pantalla%202021-03-18%20a%20las%2011.29.07.png?width=354&height=498&name=Captura%20de%20pantalla%202021-03-18%20a%20las%2011.29.07.png) ### ⚠️ Any questions or issues? If you are experiencing an issue with the Digital Key, please try to reset it. In the app, go to Configuration \> Configuration of the digital key \> Reset digital key.![IMG\_2646](https://support.urbancampus.com/hs-fs/hubfs/IMG_2646.jpg?width=200&height=326&name=IMG_2646.jpg) If you continue to experience issues, please contact the **Support team**. ### 🔐 Key Even if you can open the doors with your smartphones, we also give you **a physical Salto key per person** (waiting for you in your unit on the day of your move-in). *With the combination of physical key and mobile opening, you can never be locked out ;)*  ### 🛠 Broken lock If you cannot open it because the lock is not working or broken, we consider it an emergency, [have a look here!](https://support.urbancampus.com/emergency?hsLang=en) ### 🔑 Key lost Please quickly contact the **Support team**. We will cancel the lost key so whoever finds it, can’t use it.  We will have to charge you a 30€ replacement fee for the lost key and we will provide you with the new key as soon as possible. Meanwhile, you can open the doors with a smartphone and your Salto account. ### 🗝 Mailbox key Expecting mail? The coliving space is a home and you can use your address to receive mail or packages, make sure to include your apartment number! When you arrive at the space, we'll provide you a mailbox key which opens your apartment’s mailbox. If you haven’t received one yet, contact the **Support team.** If you lose this key, we will provide you with a new one. 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