Update Firmware on Smart LED Grow Lights
Short answer: Firmware is the software that runs inside an app-controlled LED grow light's controller or driver. A maker may push an update through the light's app to adjust how the light and app communicate. To apply one, open the maker's app, look for the device or settings section, and follow the on-screen prompts. The maker's manual and support page are where to read the exact steps for your model. Keep the light powered while an update runs, and contact the maker's support if the app no longer sees the light.
What firmware means on an app-controlled grow light
Firmware is the software stored in the controller or driver that runs an LED grow light. It governs how the light responds to the app on your phone or tablet: the app sends a command, the controller reads it, and the light carries it out. On a listing, the words to look for are app control, smart control, or the maker's app name in the feature list. Those words tell you the light is managed through a phone rather than a knob alone.
A listing will not usually state what firmware version is installed. The maker's manual and the maker's support page are where that information lives. The app control article explains what app control means as a listing term.
Why an app-controlled light receives updates
A maker may push an update for an app-controlled light to adjust how the app and the controller communicate, or to refine a setting in the app itself. Updates arrive through the app, and the maker's app release notes describe what the new version changes. A firmware update is not a signal that a light is faulty; it is simply how the maker keeps the app and the light working together.
Because this site's guides compare lights on stated details only, firmware update notes are not part of a listing comparison. To learn whether a model you are considering has received updates, you would read the maker's recent app release notes and the maker's support page.
If you are shopping and want a light that the maker keeps connected through an app, the app control and remote control versus app control articles compare how control options appear on listings.
Where an update appears
The maker's app is the usual place an update appears. In general terms, open the app with the light powered on, go to the device or settings tab for that light, and look for an update check or an update prompt. Some apps check automatically when they open.
The maker's manual describes the exact steps for the model. If you registered the light after purchase, the maker may use that registration to notify you about updates. The warranty and lifespan article explains what registration does in general terms.
How to apply an update, step by step
The steps below are general and match how app-controlled lighting is described by makers. Read the maker's manual and the app's help page before you start, because each maker may order the steps slightly differently. The maker's manual and local electrical rules come first when you set up and run the light; the steps here are general guidance for the update itself.
Start with the light powered on and within range of your phone or tablet. Open the maker's app and find the device section for the light. If an update is offered, read what the new version is meant to change. Follow the on-screen prompts and do not switch the light off while the update runs.
If the update requires a newer version of the app itself, install the app update first from your device's app store or from the maker's download page, then return to the light's device section.
- Power the light on and keep it on for the whole update.
- Open the maker's app and go to the light's device or settings section.
- Read the update description before you start.
- Follow the on-screen prompts; do not switch the light off or unplug it.
- Wait for the app to confirm that the update is complete.
What to check after an update
After an update finishes, open the app and confirm it still sees the light. Check that the basic controls, such as dimming or a timer, respond as they did before. If the app no longer finds the light, the maker's manual lists troubleshooting steps for that model.
If the issue persists, contact the maker's support. The maker's support page and warranty text are the places to read about keeping a light registered and what to ask for. The warranty and lifespan article covers support questions in general terms.
App control as a shopping word
When you are choosing a light, app control is a listing word, not a promise about how the light grows plants. It tells you the light can be managed from a phone and that the maker may send updates through the app. Lights with a knob dimmer and a built-in timer do not need an app; they are simpler to operate and have no firmware to update.
The dimmer knob versus remote versus app article compares the three control styles as they appear on listings. For your job, decide whether you want the convenience of a phone schedule or the simplicity of a knob and a timer. The best dimmable LED grow lights guide and the best LED grow lights with timer guide sort the options by stated details.
What to pick for your job
| If you | Pick | Buying guide |
|---|---|---|
| You want a smart light the maker keeps connected through an app | An app-controlled grow light (for example, VIVOSUN's smart series) | Best VIVOSUN Grow Lights in 2026: 12 Picks by Stated Details |
| You prefer a knob dimmer and a built-in timer, no app needed | A dimmable grow light with a built-in timer | Best Dimmable LED Grow Lights in 2026: 15 Picks |
| You shop for a small app-controlled light for a desk or windowsill | A clip-on grow light with app control | Best Clip On Grow Lights in 2026: 4 Picks by Stated Details |
| You want to compare app control against simpler control styles | The main grow light guide, sorted by stated details | Best LED Grow Lights (2026): LED Grow Light Reviews |
| You want a tent light and app control as an option | A grow light from a brand that also sells smart controllers | Best Spider Farmer Grow Lights in 2026: 4 Picks by Stated Details |
Questions
Is firmware on a grow light the same as an app update?
No. The app is the program on your phone, and firmware is the software inside the light's controller or driver. The app can update through your device's app store, while the light's firmware updates through the app, as the maker's manual describes.
Can a grow light be updated without the app?
For app-controlled lights, the maker's app is the usual place updates appear. The maker's manual and support page state whether a model has another update path. Lights with a knob dimmer and a built-in timer have no app and typically no firmware to update.
What should I do if an update fails?
Keep the light powered, read the maker's troubleshooting steps in the manual, and contact the maker's support if the app no longer sees the light. The maker's support page and warranty text are the places to read about what to ask for.
Do all LED grow lights have firmware?
Lights with a knob dimmer and a built-in timer typically have a simple controller and no app, so there is no firmware to update. App-controlled lights have a controller that the app talks to, and that controller is where firmware lives.
Where do I read about firmware updates before I buy?
The maker's support page and the app release notes describe what a model's updates have changed. A listing usually does not state firmware details, so those pages are the place to check for a model you are considering.
Recent updates
- : First published.