If you’ve had smart devices in your house for a few years, you’ve probably noticed some of them acting up. Maybe the app takes longer to load than it used to, or the lights that are supposed to dim at sunset stay on until someone walks over to the switch. Problems like these are easy to put up with at first, since none of them seem serious on their own.
After a while, though, you may find yourself wondering if it’s time to call a home automation company in North Port or keep restarting things and hoping for the best. Below, we’ll go over the signs that your system is falling behind and what you can do about it. So keep reading to learn more!
How do you know when your smart tech needs an upgrade?
The biggest sign is that your devices have stopped getting firmware updates from the manufacturer. Other common signs are new equipment that won’t connect to your existing system and schedules or scenes that need constant attention to work properly. Most outdated smart devices don’t fail suddenly. They slow down and become less reliable over a few years, which is why it’s easy to blame each problem on a one-time glitch.
Try looking at the whole system instead of one device at a time. If a single smart plug acts up, it’s probably just that plug. If several devices start lagging around the same time, the problem is more likely the hub or controller they all depend on.
Daily use feels slower and less reliable
Slowness and unreliability are usually what people notice first. Watch for things like:
- Commands that take several seconds to go through or only work on the second try
- Devices that keep dropping offline and have to be re-paired or unplugged and plugged back in
- A control app that crashes a lot or is no longer available in your phone’s app store
- Scenes that only partly run, such as the lights changing while the shades stay where they are
- Devices that still work in their own app but no longer respond in a partner app, like a voice assistant or another brand’s hub
- Connections between two brands that stop working after one of them releases an update or moves to a newer standard
Partner app problems happen because those connections only work as long as both brands keep supporting each other. They’re most common with DIY products, especially when a brand loses popularity or shuts down entirely, and less common with professionally installed systems from reputable brands.
Also, pay attention to scheduled events, especially overnight routines that run while you’re asleep. If you’ve woken up to find a door unlocked or the outdoor lights still on in the morning, the processor running those schedules may be overloaded or using software the manufacturer no longer updates.
Updates from the manufacturer have slowed or stopped
Firmware is the software built into a device that controls how it works. Manufacturers release updates to fix bugs and security problems, and some updates also add support for newer products. Many of these updates are released specifically to fix security weaknesses, which is why federal cybersecurity guidance recommends installing them as soon as they’re available. When the updates stop, the device keeps running its last version, along with any problems that version has.
You can usually check this yourself. Most apps show the firmware version, and sometimes the date it was released, in each device’s settings. Many brands also post update histories on their support pages. If your hub or camera hasn’t been updated in several years, there’s a good chance the maker has stopped working on it, even if they never announced it.
New devices won’t connect to your existing system
Compatibility problems tend to get worse as a system ages. Matter, a newer standard, was created so that products from different brands can work together. Some older hubs got Matter support through a software update, but a lot of older hardware never did.
This kind of mismatch can happen with almost anything you add. Common smart devices examples include a video doorbell that won’t show up in your main control app and a new speaker that only works through its own separate app. Each workaround means another app to log into and another set of notifications. If you need five or six apps to control one house, your main system probably isn’t doing its job anymore.
It depends on technology that’s being phased out
Sometimes a device stops working properly because the network or service it relies on goes away. That happened when major carriers shut down their 3G cellular networks, a process they finished in 2022. Older security panels and other connected devices that hadn’t been upgraded lost their cellular connection, including some that only used cellular as a backup when the internet went down.
Wi-Fi security can cause a similar problem. Some older devices can’t connect to networks that use newer security protocols like WPA3, so owners end up running their whole network in a compatibility mode just to keep one or two of them online. If you’ve set up your router around an old device, that device should probably be one of the first things you replace.
Can older control platforms be upgraded instead of replaced?
Often, yes. Many older control platforms can be updated in stages, especially if the wiring is in good condition and the manufacturer still supports at least some of the system. The age of the system is only part of the picture. You also need to know which parts are having problems and whether there’s still a supported upgrade path for them.
Most professional platforms use a central processor to run keypads, touch panels, lighting, audio, and climate control. Since the processor handles most of the work, swapping it for a current model can sometimes improve the whole system without replacing the devices connected to it. If you stay with the same brand, your integrator may be able to move your existing programming to the new processor. Switching to a different brand usually means the system has to be programmed again from the beginning.
What you can usually keep
Upgrading doesn’t always mean tearing everything out. These parts often stay:
- In-wall cabling: Network cable and speaker wire installed during construction usually outlast the electronics connected to them, though very old network cable can slow down newer equipment.
- Lighting keypads and dimmers: If your lighting system is still supported, it can often be connected to a new processor without replacing every switch.
- Passive speakers: In-ceiling and in-wall speakers don’t usually need replacing, though upgrading opens the door to modern invisible and small-aperture designs that deliver modern acoustic performance while disappearing seamlessly into your home’s design.
- Motorized shades: The motors can often stay, as long as the new processor supports the communication protocol your shades use.
Keeping these parts lowers the cost of the upgrade, and you won’t need to patch drywall or open up finished ceilings.
Speakers are one area where you might choose to upgrade even if the old ones still sound fine. Small-aperture and invisible speakers are much easier to find than they were 10 years ago, and they’re designed to blend into walls and ceilings so you see a small grille or nothing at all. If your current speakers stand out more than you’d like, a system upgrade is a convenient time to replace them.
When replacement makes more sense
Replacing the system becomes the better option once its core is no longer supported. If the manufacturer has discontinued your processor and there’s no compatible replacement, or your platform uses a proprietary wireless protocol that newer equipment can’t use, keeping it running may cost more than switching to something current. Calling for service over and over for the same problem is another sign, and so is a list of features you’d like to add but can’t.
Some of the best home tech gadgets available today can also do things older devices can’t. A basic programmable thermostat can’t learn your schedule or be adjusted from your phone, for example. Smart thermostats that earn the ENERGY STAR label have also been independently certified, based on real-world field data, to deliver energy savings.
It often makes sense to upgrade in phases. Start by replacing the processor and improving the network, then update touch panels and individual devices as your budget allows. Doing it in that order means your new equipment won’t be held back by old infrastructure.
What happens when a brand stops supporting its smart devices?
Usually, the devices keep working at first, but they stop getting software and security updates. Any features that depend on the manufacturer’s servers may stop working too, while features that run on the device itself often keep going. How much you lose depends mostly on how the product was designed.
Unfortunately, it can be hard to find out ahead of time when support will end. When FTC staff reviewed 184 connected products in 2024, nearly 89% of manufacturers didn’t make the length of software support easy to find. The FTC also warned that once updates stop, products may lose their smart features, become insecure, or stop working altogether.
Cloud-based features are usually the first to go
Many consumer smart devices rely on the manufacturer’s cloud for app control, remote access, voice assistant connections, and notifications, so those features tend to be affected first. When Google ended support for its first- and second-generation Nest Learning Thermostats in October 2025, those thermostats were removed from Google’s apps and stopped getting updates. Owners could still use them as regular thermostats through their own screens and schedules.
Systems that run on a controller inside the house typically hold up better. Scheduled scenes and keypad control can keep working locally even if an outside service changes, which is one reason professionally installed platforms are usually built around on-site processors.
Security risks increase the longer you keep using it
The bigger long-term concern is an unsupported device that’s still connected to your network. Security researchers continue to find vulnerabilities in older products, and without updates, those vulnerabilities stay open. Cameras and smart locks need the closest attention since they directly affect the safety and privacy of everyone in the house.
If you can’t replace an unsupported device right away, putting it on a separate guest or IoT network limits what it can access. That’s only a temporary fix, so plan to replace the device with a supported model when you can.
How to prepare before support ends
A little planning can keep an end-of-support notice from turning into an emergency:
- Make a list of your connected devices, including model numbers and the app or hub each one uses.
- Check each manufacturer’s support page for end-of-life announcements or update timelines.
- Note which features depend on the manufacturer’s cloud and which run locally so you know what you could lose.
- Put security equipment, like door locks, alarm panels, and cameras, at the top of your replacement list.
- When you retire old hardware, donate or recycle it instead of throwing it away, and delete your personal information and remove any batteries first, as the EPA recommends.
Which home automation company in North Port can help me upgrade outdated smart tech?
Liaison Technology Group can help you figure out which parts of your current system are worth keeping and which ones are causing problems. We’re an authorized dealer for platforms including Crestron, Control4, Savant, and Lutron, so our team can evaluate older equipment and recommend an upgrade plan that fits your budget and how you use your space.
We also offer 24/7/365 technical support with proactive system monitoring, which helps us catch issues early. Whether you live near Warm Mineral Springs or somewhere else in Sarasota County, reach out to our team to schedule an appointment and find out where your smart tech stands.