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Steve H.

Reviewed for technical accuracy

Specialities: Android tethering and mobile hotspot issues (LG phones), hotspot drops when screen turns off, “connected but no internet,” hotspot timeout.

Why an LG mobile hotspot keeps dropping + what to check first (battery saver, hotspot timeout, update changes, 2.4GHz vs 5GHz, weak cellular signal)

Technician avatar Technician
I can help you sort this out calmly. When an LG phone hotspot keeps disconnecting, it’s often not “broken” — it’s usually a setting that changed, battery protection, or the network environment.

Trust moment: Let’s start with the safest checks first. I don’t want you changing lots of settings at once, because it can make the problem harder to track.

First: what changed around the time this started — a software update, a new SIM/carrier, a new device connecting to the hotspot, or a new place you’re using it (home vs car vs outdoors)?
Customer
It started this week. I’m using an LG phone as a hotspot for my laptop, but it keeps dropping. Sometimes it disconnects when the screen turns off.
Technician avatar Technician
That “drops when the screen locks” detail is important — it often points to a power-saving or timeout behavior, not the laptop.

Two quick questions to narrow it down:
• When it drops, does the hotspot switch itself off on the LG phone, or does the phone still show hotspot on but the laptop loses internet?
• Do you see “connected, no internet” on the laptop, or does it fully disconnect from the Wi-Fi name?
Customer
The laptop sometimes says connected but no internet, and other times it just disconnects. On the phone, it looks like hotspot is still on most of the time.
Technician avatar Technician
Got it — that can happen when the hotspot Wi-Fi link stays up, but the phone’s mobile data briefly drops or gets restricted in the background.

Before we touch anything: is your LG phone’s cellular data steady for normal browsing on the phone itself at the same time the laptop loses internet? (Even a quick test like loading one website on the phone.)
Customer
Sometimes my phone data feels slower too. I have decent bars, but it’s not always consistent.
Technician avatar Technician
That points to two likely buckets: network stability (signal/congestion) and phone restrictions (battery/data saver). We can rule those out without risky steps.

Trust moment: I’m not going to push factory resets or “mystery apps.” We’ll just collect clues safely.

Quick check: did you recently enable anything like Battery Saver, Power Saving, Data Saver, or a VPN? Those can cause hotspot drops or “internet pauses” after the screen goes idle.
Customer
Battery saver might be on. I turn it on when I’m away from a charger. I don’t use a VPN.
Technician avatar Technician
That’s a very common trigger. Battery saver can limit background data and can interfere with tethering on some Android builds, especially after updates.

Another safe “environment” question: are you using the hotspot in a spot where the phone could be getting warm (in a pocket, on a car dashboard, or in direct sun)? Heat can cause the phone to throttle data and behave like it’s disconnecting.
Customer
I do keep it in my pocket sometimes. And yes, it’s happened in the car too. The phone gets warm.
Technician avatar Technician
Warmth + hotspot is a classic combo for “it works, then it doesn’t.” It doesn’t mean anything is permanently damaged — just that the phone is protecting itself.

Two more non-invasive checks that help explain random drops:
• In your hotspot settings, do you see anything like auto turn off, hotspot timeout, or “turn off when not in use”? (Some LG phones shut the hotspot down when the screen is off or when they think no device is active.)
• Do you know if your hotspot is set to 5 GHz or 2.4 GHz? 5 GHz is faster but can be less stable through pockets, car seats, and walls.
Customer
I’ve seen an auto turn off option before but I’m not sure what it’s set to. I don’t know about 5 or 2.4. I just turned hotspot on and used it.
Technician avatar Technician
That’s completely normal — most people never touch those settings until something starts acting up.

Here’s the safe way to think about it (no big changes yet): if the disconnect happens mostly when you lock the phone, look first at timeout and battery saver. If it happens even while the phone is awake, look at cell signal stability and hotspot band/range.

One more clue: when it drops, does it happen at a similar time pattern (like every few minutes), or only when you move around (walking, getting in a car, changing rooms)?
Customer
It’s worse when I move or when the phone is in my pocket. At home, it can still drop sometimes, but less.
Technician avatar Technician
That pattern fits “range/obstruction” more than a broken feature. Pockets and car interiors can weaken the hotspot Wi-Fi signal, especially on 5 GHz, and heat can add another layer of instability.

Gentle check: when you place the phone on a seat or dashboard (not tucked away) and keep the screen awake for a minute, does the laptop connection stay more stable? That’s a safe “environment test” with no settings changed.
Customer
Yes, it seems better when the phone is out in the open. But I still need it to work when the screen is off, otherwise it’s not useful.
Technician avatar Technician
Completely fair. If the hotspot won’t stay reliable with the screen off, the usual culprits are: hotspot timeout, battery saver, data saver, and sometimes an Android update changing background behavior.

Trust moment: We’ll keep this safe — no factory reset and no deep “developer” changes. Just confirm the basics one-by-one.

If you check your hotspot screen and see options for auto turn off or timeout, note what they’re set to (don’t change yet). Also check whether Battery Saver is active while you’re tethering. Those two details usually explain the “disconnects when locked” symptom.
Customer
Okay. I’ll look at the timeout setting and battery saver and write down what they say. If it keeps happening, what else should I watch for?
Technician avatar Technician
Great plan. If it keeps dropping, the next safe clues are:
• Whether the phone’s mobile data also stutters at the same time (points to carrier signal/congestion).
• Whether the laptop shows connected but no internet vs fully disconnecting (helps separate data vs Wi-Fi link).
• Whether the problem started right after a system update or switching carriers/SIM.
• Whether the hotspot is more stable on 2.4 GHz than 5 GHz (range vs speed).

If you come back with those observations, we can narrow it down without guesswork.
Customer
Thank you. This feels a lot less scary when it’s broken down like that. I’ll test it in the open, check battery saver, and note the messages.

Quick answer: the accepted fix

Accepted first fix for LG hotspot keeps disconnecting: treat it like a “clue gathering” problem—confirm whether the phone is turning hotspot off, whether mobile data is stable, and whether power-saving/timeout settings are involved.

What usually helps most (safe checks):
• Keep the phone cool and uncovered while testing (heat can trigger drops).
• Check whether Battery Saver or Data Saver is enabled during tethering (note it before changing anything).
• Look for a hotspot timeout / auto turn off option that may shut tethering down when the screen locks.
• If available, compare 2.4 GHz vs 5 GHz hotspot band for stability (range vs speed).
• Watch whether the laptop shows connected but no internet (cell data issue) vs full disconnect (Wi-Fi link issue).

Why an LG hotspot can start disconnecting “all of a sudden”

A mobile hotspot can look fine one day and start dropping the next because something small changed: a system update, battery saver settings, a new device connecting, or a new location with more network congestion. If the phone warms up (car dashboard, pocket, direct sun), Android may reduce performance and the hotspot can feel like it “keeps disconnecting.” Another common cause is an automatic hotspot timeout that turns tethering off when the screen locks or when the phone thinks the connection is idle. And if your hotspot is using 5 GHz, it can be more sensitive to distance and obstructions than 2.4 GHz.

What to check first: phone settings vs signal vs the device you’re connecting

Start by separating “Wi-Fi link” from “mobile data.” If your laptop stays connected to the hotspot name but shows no internet, the phone’s cellular data is likely stuttering or being restricted in the background. If the laptop fully disconnects from the hotspot Wi-Fi, think about range, band (2.4 vs 5 GHz), and auto turn-off behavior. Also note whether it happens mainly when you lock the screen (often power saving/timeout) or while the screen is awake (more likely signal or heat). Doing one small comparison at a time keeps the diagnosis clear.

LG hotspot keeps disconnecting — gentle troubleshooting tips for seniors

Most hotspot drops are caused by battery/data saver restrictions, hotspot timeout, heat, weak mobile data, or 5 GHz range limits.

Best approach: change one thing at a time. First, test with the phone cool and out in the open (not in a pocket). Then check whether Battery Saver or Data Saver is active while tethering, and look for hotspot auto turn off/timeout settings. If your LG hotspot is unstable only at distance, 2.4 GHz is often steadier than 5 GHz. Keep notes on what the laptop shows (“connected but no internet” vs disconnect), because that points to the right cause.

Disclaimer: This information is AI-generated and intended for general guidance only. Avoid making multiple system changes at once. For device-specific steps, consult a verified expert on Whizz-Tech or the manufacturer’s support before making decisions.

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FAQ

Why does my LG hotspot keep disconnecting when the screen turns off?

This is often caused by a hotspot timeout/auto turn off setting or Battery Saver limiting background activity. It can also happen if the phone warms up and starts protecting itself. Note whether the hotspot turns off on the phone or the laptop just loses internet.

Did this start after an Android update or carrier change?

It can. Updates sometimes change how power saving and background data behave, and carrier changes can affect data stability. If your phone’s own browsing slows down at the same time, it may be a network issue rather than the hotspot feature itself.

Is it a settings problem or hardware on the LG phone?

If it’s worse when the phone is in a pocket, moving, or farther away, it’s usually range/band (2.4 vs 5 GHz) or heat, not hardware failure. If the laptop stays connected but says “no internet,” look toward mobile data restrictions or signal quality. True hardware problems are less common than these causes.

Can I check this safely at home without doing risky resets?

Yes. Safe checks include keeping the phone cool and uncovered, noting Battery/Data Saver status, and looking for hotspot timeout options. You can also observe whether the laptop disconnects from Wi-Fi or only loses internet, which points to different causes.

Sources

Filed under: Hotspot, Tethering & Sharing

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