Key takeaways
- Not always. Unlimited data doesn't automatically mean unlimited hotspot. On many UK plans, hotspot is included, but some networks set a separate hotspot allowance or slow hotspot speeds.
- On SMARTY, hotspot uses your normal data, and there is no separate hotspot allowance, so unlimited data covers it.
- Hotspot costs nothing extra where it is included, but on plans with a fixed amount of data, everything shared through hotspot counts towards that amount.
On the train, your laptop needs WiFi, and your phone has unlimited data. Easy, right? But does "unlimited" include hotspot use, or is there a tiny asterisk waiting to ruin your ride? Here's what it usually means and how to check your plan.
Does unlimited data include hotspot?
| Plan type | What it means for hotspot |
|---|---|
| Unlimited data with hotspot included | Hotspot uses the same unlimited allowance as the rest of your data, with no separate hotspot limit. |
| Unlimited data with a separate hotspot allowance | Hotspot has its own monthly data allowance. Once it is used up, hotspot speeds can drop or hotspot can stop, even though the phone's own data stays unlimited. |
| A plan with a fixed amount of data | Hotspot data comes out of the same allowance as everything else, so anything shared with a laptop or tablet counts towards the same total. |
Is hotspot free if you have unlimited data?
If hotspot is included, there's no extra charge to use it. Your phone simply shares the data you already pay for.
Where hotspot isn't included, a network may charge extra, slow it down, or block it. That's why the plan details matter more than the word "unlimited" on the front of the page.
How long does a hotspot last on unlimited data?
Hotspot doesn't include a built-in timer. In practice, the limit is usually your phone's battery life, your signal strength and any rules in your plan, not the clock.
If your hotspot slows down after a couple of hours, the common suspects are:
- a busy network, which can slow anyone's connection, hotspot or not
- a weak signal where you are
- a warm phone that is working hard and draining its battery
- a rule in your plan that treats hotspot differently
How to check if you have unlimited hotspot
- Review the plan details for mentions of "hotspot" or "tethering".
- Read the terms for any fair-use or speed-limit clauses.
- Ask customer support to confirm in writing, so you have the answer to hand.
A quick test helps too. Connect a laptop, use it for a few minutes, then check your phone's data usage to see where the data went.
Does hotspot use more data?
Not by itself. Your phone uses the same data it would anyway.
The difference is what's connected. Laptops and tablets tend to use more data than phones, with automatic updates, cloud backups and higher-quality video running in the background. That only matters on a plan with a fixed amount of data, but a few small habits help:
- Pause cloud backups and automatic updates while connected.
- Set the laptop's WiFi connection as metered on Windows, or turn on Low Data Mode on a Mac.
- Lower video quality when you're streaming on a small data allowance.
Not sure how much data you need in the first place? Our guide to how much data you need can help you work it out.
Unlimited data and hotspot with SMARTY
With SMARTY, hotspot uses your normal data, so there's no separate hotspot allowance to track. On the Unlimited plan, you can share your data with a laptop or tablet in the UK without a second limit.
Abroad is slightly different. In the EU, a 12GB monthly roaming limit applies, and hotspot use counts towards it. Plans roll monthly with no contract, so you can change or cancel when it suits you.
Not sure how to turn on hotspot? Our guide to tethering and mobile hotspots covers iPhone and Android.
FAQs
Is hotspot free if you have unlimited data?
On plans that include hotspot, there's no extra charge, because hotspot simply uses the unlimited data already included in the plan. Some networks treat hotspot separately, so the plan details are worth checking.
How long can you use a hotspot on unlimited data?
Hotspot has no built-in timer. In practice, battery life, signal strength, network congestion and any plan rules determine how long a hotspot connection stays useful.
Does using a hotspot use more data?
Using a hotspot doesn't use more data by itself, but laptops and tablets often use more data than phones. On plans with a fixed amount of data, hotspot data counts against the same allowance as everything else.
