---
title: Mobile Access | ACT Help Center
description: How to use the system from your mobile device
---

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1. [ACT Help Center](https://help.altitudecontrol.com/)
2. [Mobile Access](https://help.altitudecontrol.com/mobile-access)

# Mobile Access

 How to use the system from your mobile device

- [How do I set up mobile access on my Altistat™ (2023 Installs and Newer)?](https://help.altitudecontrol.com/altistat-mobile)
- [How do I set up mobile access (2022 Installs and Older)?](https://help.altitudecontrol.com/how-do-i-set-up-mobile-access)
- [Mobile App Isn't Working](https://help.altitudecontrol.com/mobile-app-isnt-working)

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- [Controller Screen Went Dark](https://help.altitudecontrol.com/controller-screen-went-dark)
- [Timers & Scheduling](https://help.altitudecontrol.com/timers-scheduling)
- [Mobile Access](https://help.altitudecontrol.com/mobile-access)
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