Upgrading an older Control4 system: what stays and what changes

The short answer. IntegrateIT upgrades older Control4 systems across Kansas City, Missouri and the Johnson County suburbs, from our showroom in Overland Park, as a Control4 Platinum Dealer with a Control4 Certified Showroom. An upgrade rarely means starting over. The wire in the walls, most of the lighting and the speakers usually stay. What changes is the part with a clock on it: a controller that cannot run the current software, touch screens and lighting Control4 has stopped updating, and a network sized for fewer devices than the house now has. It starts with a no-cost on-site assessment and a written list of what stays and what goes.

The calls we get about an older Control4 system sound alike. The app has started to lag, a touch screen no longer updates, a new television will not join, or the company that installed it has stopped answering. None of those is a reason to tear the system out. Each is a reason to find out which parts of it are current and which are not.

How to tell what you have

Three things decide what an upgrade involves: the controller, the software it runs, and the generation of the lighting and touch screens around it.

The controller. It lives in the rack or a closet, and the model name is on the unit. The controllers Control4 lists today are the CORE line (CORE 1, CORE 3, CORE 5 and CORE lite) and the CA line (CA-1 and CA-10). CORE controllers arrived in 2022. Before them came the EA series (EA-1, EA-3 and EA-5). A controller that is none of these is older again.

The software. Control4 introduced OS 3 in 2019, and X4, its current generation, in 2025. Systems from the years in between are often still on some version of OS 3. The version is part of the project record, and once the project has been transferred to us we can read it in a minute.

The lighting and the touch screens. Control4 dimmers, switches and keypads come in generations, and so do its touch screens. The generation matters more than the age of the house, because it decides what the newest software still supports.

Part	What Control4 says about it on X4	What it usually means
CORE and CA controllers	Current products	An update, not a replacement
EA controllers	Still supported; the on-screen display is removed	Often kept, unless the house needs the TV menu or more capacity
T3 touch screens	X4 is their last release	Replaced when the system moves past it
Gen 1 and Gen 2 lighting	X4 is their last release; move to Gen 3 or newer	Replaced, with the scenes carried across
Gen 3 and newer lighting	Carries on	Stays

What an upgrade keeps

The wire. The network cable, the speaker wire and the runs to every keypad and touch screen were the expensive part to put in, and they almost always stay. An upgrade is done from the rack and the wall boxes, not by opening ceilings.

Most of the lighting. Dimmers and keypads from the newer generations carry forward. Where the oldest lighting has to go, Control4 gives dealers a migration tool that moves the lighting scenes, the keypad buttons and the programming onto its current Lux lighting, so the house behaves the way the family is used to rather than starting from a blank file.

The speakers. In-ceiling and in-wall speakers do not know what software the controller runs. They stay, and so does a matrix amplifier that is still doing its job.

The logic that works. The scenes your family actually uses (goodnight, leaving, movie night) are moved onto the new release and tested room by room, not rewritten from memory.

What usually has to change

• A controller that cannot run the current release. Which controller you have decides whether this is an update or a replacement, and we say which plainly before quoting.
• T3 touch screens and Gen 1 and Gen 2 lighting. Control4 has said X4 is the last release for these, so they stop receiving updates. They are replaced as part of the move.
• Drivers that nobody maintains. Every device has a driver, and each one is checked against the new release before the controller moves.
• The network, first. A controller updated onto a tired or consumer-grade network is an update that comes back. This is often the whole of what an owner thought was a Control4 problem; why so many systems stumble around year seven is mostly this story.
• A Control4 Connect subscription. Control4 requires an active Connect subscription for X4. We explain what it covers before the upgrade, not after.

The move is made in steps, not in one jump: Control4’s own notes have a system on X4’s first release before it takes the next one. The full order we follow (network, controller and software, drivers, panels, then programming and documentation) is written out on our Control4 repair and upgrade page.

What the newer software gives you

X4 is a redesigned Control4 app and the software behind it. Control4 describes a Home screen for the devices you use most, Routines (scenes with their own schedules, which the household can adjust) and resizable widgets that show cameras and device status at a glance. It also brings voice setup through Apple HomeKit into the app and lets you manage music across rooms from one place. For a family that has lived with an older app for years, that is the visible difference. The less visible one matters as much: a system on current software keeps receiving fixes, and new devices have drivers written for it.

Upgrade, or start again?

Upgrade, more often than not. The keypads mostly stay, a touch screen or two goes, and the controller goes only when it cannot run the current release. Starting again makes sense in a narrower set of houses: a controller well past support in a house that has outgrown the whole design, or a system that was never documented and whose logic nobody can read. Where that is the honest answer we say so on the first visit. If the original dealer has gone quiet, the system takeover process covers getting the project transferred so the system can be opened at all.

How we assess it

1. Transfer the project through Control4, so we can legitimately open and update the system.
2. The no-cost on-site assessment. We document the controller, the software version, every device and driver, the touch screens, the lighting generation and the network.
3. A written list of what stays, what changes and why, in the order it would be done.
4. A fixed price from that list, not a range by email.

As a Control4 Platinum Dealer we get early access to firmware and hardware and a direct line to the manufacturer when a fault needs it. More about how we work on the platform is on our Control4 dealer page.

About IntegrateIT. We have integrated hundreds of homes across the Kansas City metro since 2021, from our showroom at 15108 Glenwood Ave in Overland Park. Control4 Platinum Dealer with a Control4 Certified Showroom · Lutron Certified Dealer · Crestron dealer · Josh.ai dealer. Every install carries a five-year workmanship warranty from the final invoice.

Daniel Alon, co-founder, IntegrateIT. Overland Park, KS. November 2026.

Further reading

Where to go next if this article gave you the framework but you want the brand- or install-specific depth.

• Service: Control4 repair and upgradesThe upgrade path in order, and what a repair visit covers.→
• Service: system takeoverWhen the dealer who installed it is gone.→
• Control4 dealer · Kansas CityHow we design, program and support Control4.→
• Article: why Control4 installs stumble at year sevenThe network story behind most "Control4 problems".→

Older Control4 system?

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