Technician helping fix Tuya not discovering devices in Smart Life app

Steve H.

Expert ★★★★★ 27,853 satisfied customers

Specialities: Smart speaker volume changes overnight, adaptive audio settings, Alexa and Google Nest nighttime behavior, HomePod audio controls, routine.

Why a smart speaker turns the volume down overnight and what to check first

Technician avatar Technician
Let’s start with the safest checks first. I don’t want you changing resets, unlinking accounts, or removing the speaker from your app until we know what changed.

When you notice the lower volume in the morning, does the speaker still work normally, just quieter than before? And did this begin after any update, new routine, or another person using the device?
Customer
Yes, it still works. It just ends up much quieter by morning. I have to raise the volume again almost every day.
Technician avatar Technician
That helps. A speaker lowering volume on its own overnight is often tied to a scheduled action, a sleep routine, or an adaptive audio feature rather than a speaker failure.

Before we assume anything bigger, what model is it? Alexa speaker, Google Nest, HomePod, or something else?
Customer
It’s an Echo Dot. I use it at night for rain sounds.
Technician avatar Technician
That overnight use matters. Some users see this after enabling a bedtime routine, adaptive volume behavior, or a sound app that saves its own level separately from the main speaker setting.

One careful question: do you use a routine that starts audio at bedtime or stops it later? Even a simple “good night” routine can change volume without making it obvious.
Customer
I do have a bedtime routine. It starts rain sounds and turns the bedroom lamp off. I’m not sure if it changes the volume.
Technician avatar Technician
That is one of the first places I would inspect. Sometimes the routine sets a lower media volume as part of a scene, and it keeps that level afterward.

Trust moment: I don’t want you to remove the routine yet. It’s better to read what it does first, because deleting pieces of it can make the pattern harder to trace.

Do you also notice the volume getting reduced only overnight, or has it ever dropped during the day when no one was speaking to it?
Customer
Mostly overnight. During the day it seems normal unless I forgot to turn it back up.
Technician avatar Technician
That pattern points more toward a scheduled or environment-related change than a random hardware problem.

Safe checks I’d think about here are:
• whether the bedtime routine includes a volume action
• whether a sound skill or sleep app saves its own playback level
• whether “adaptive volume” or a similar setting was turned on after an app update

Did anyone recently change household profiles, update the Alexa app, or reconnect this Echo to a new Wi-Fi network?
Customer
The app updated recently, and my partner also uses the speaker sometimes. Wi-Fi stayed the same.
Technician avatar Technician
That fits. This is common after updates, but we should rule out risks before blaming the app.

Another thing to check gently: when you raise the volume again in the morning, are you changing the main speaker volume, or only the app or sound service volume? On smart speakers, those can behave like two different layers.
Customer
I usually just say “volume 5” and it gets louder again.
Technician avatar Technician
Good to know. That suggests the speaker itself is accepting a new level normally, which is reassuring.

I’d want to compare three possibilities without changing everything at once:
• the routine is setting a lower volume overnight
• the rain sound provider is resuming at a lower saved level
• the speaker is applying a comfort setting such as adaptive or nighttime behavior after the update
Customer
So it may not be broken at all?
Technician avatar Technician
Correct. If the speaker responds clearly and the volume comes back when you set it manually, that is less consistent with an amplifier fault or speaker damage.

I don’t want you to try something that could make it worse, like factory resetting it before checking the easier causes. Overnight volume drops are often logic-based, not hardware-based.
Customer
That’s a relief. What should I inspect first tonight before bed?
Technician avatar Technician
The safest order is usually:
• read the bedtime routine line by line for any hidden volume step
• note the current speaker volume before starting rain sounds
• check whether the sound service itself has a separate sleep timer or saved playback level

If you see a lower number in the morning again, that tells us the level is being changed somewhere, not drifting on its own.
Customer
I can do that. I think I never looked that closely at the routine steps.
Technician avatar Technician
That is very common. The routine screen can look simple, but one saved action is enough to lower the speaker every night.

If the routine looks clean, the next clue would be whether the problem started right after the Alexa app update or after a new sound skill was enabled. That timing can narrow it down quickly.
Customer
Understood. I’ll check the routine, the sound app, and whether adaptive settings changed after the update.
Customer
If none of those show anything, would that mean the speaker is wearing out?
Technician avatar Technician
Not right away. A worn speaker usually shows distortion, crackling, weak sound at all times, or trouble following volume commands. Your pattern sounds more like settings, automation, or software behavior that shows up only overnight.

That is why careful observation tonight is more useful than replacing anything yet.

Quick answer: the accepted fix

Accepted checks for a smart speaker that keeps lowering volume overnight are to review bedtime routines for hidden volume actions, compare the speaker’s set volume before sleep and in the morning, and inspect any sound app or sleep skill that may save its own playback level. It is also reasonable to check whether adaptive audio or nighttime comfort settings changed after a recent app or firmware update. Make one safe observation at a time and avoid factory resets until the pattern is clear. If the speaker sounds normal after you raise the volume manually, the issue is often related to automation or settings rather than failing hardware.

Why 5 GHz can look fast but still disconnect

5 GHz Wi-Fi often has higher speed, but it also has a shorter range and can be more sensitive to walls, TV cabinets, and nearby interference. New routers may also use DFS channels or wide channel widths (like 160 MHz) that work great for some devices but cause dropouts for others. If your network uses one Wi-Fi name for both bands, band steering can move a streaming device at the wrong time and trigger a “not connected” message. That’s why a simple compare test on 2.4 GHz is a useful diagnostic, not a step backward.

How to confirm the fix is really stable

Don’t judge by a one-minute test. A device can appear fine, then go offline during a longer video session when the connection is under steady load. After any single change, stream for a while and watch whether the device stays present in the router’s connected-devices list. If it drops and reconnects repeatedly, note whether the router changed channels or the device switched bands. This kind of observation keeps you from chasing the wrong cause.

Streaming device going offline on 5 GHz — quick troubleshooting tips

Start with safe checks that isolate the cause before changing advanced settings.

Helpful checks: compare 2.4 GHz vs 5 GHz stability, look for WPA3-only security, and note if 5 GHz is using auto/DFS channels or very wide channel widths. If your router combines both bands under one name, consider whether band steering is moving the device mid-stream. Make one small change at a time and give it enough time to observe. If you’re unsure, stop and take notes — guessing can make the network harder to troubleshoot.

Disclaimer: This information is AI-generated and intended for general guidance only. Do not open devices or attempt unsafe electrical work. For advice specific to your Tuya/Smart Life device model and router settings, please consult a verified expert on Whizz-Tech or the manufacturer’s support before making decisions.

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FAQ

Why did my smart speaker start lowering the volume overnight?

This can happen after a routine change, app update, or a sleep sound service saving a lower playback level. It does not always mean the speaker is faulty. Overnight patterns usually point to settings or automation first.

Did this happen after an update?

It can. Smart speaker apps and firmware updates sometimes change adaptive audio behavior, routines, or linked sound services. Checking what changed recently can help narrow the cause.

Is this a settings issue or hardware?

If the speaker sounds normal after you raise the volume again, settings are more likely than hardware. Hardware problems usually affect sound quality all day, not only after overnight use. Crackling, distortion, or weak output at every level would be more concerning.

Can this be checked safely at home?

Yes. Start by reviewing routines, sound app settings, and any adaptive volume options. Avoid factory resets until you have compared what the volume was before bed and what it is in the morning.

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