Turn On Hotspot With a Travel eSIM on iPhone

How to Turn On Personal Hotspot With a Travel eSIM on iPhone

Peter Basil - BazTel
Peter Basil
Turn On Hotspot With a Travel eSIM on iPhone

Short answer: yes. Every BazTel eSIM allows personal hotspot on every plan, with no separate hotspot cap. Shared data comes out of your plan’s allowance. On unlimited plans, it counts toward the same 2GB a day at full speed, after which speed drops to 512kbps.

Quick answer: Go to Settings > Cellular. Set your travel eSIM as the line for Cellular Data. Turn on Data Roaming for that eSIM if you’re already abroad. Then go to Settings > Personal Hotspot and toggle “Allow Others to Join.” Your iPhone becomes a Wi-Fi router for your laptop, tablet, or a friend’s phone.

That’s the process on paper. In practice, one setting trips up more travelers than every other step combined. Almost no guide leads with it. This one does.

Why This Guide Is Different

I run an eSIM company, and I hotspot from a travel eSIM on almost every trip. Every article about iPhone Personal Hotspot repeats the same three taps. What they skip is the failure most people actually hit. The hotspot turns on. The Wi-Fi network appears. A laptop connects to it. Then nothing loads. No error message. No obvious fix.

That happens because of dual SIM priority, not a broken toggle. Below is the fix. You’ll also get real data-use numbers per device, battery behavior on recent iOS versions, and a troubleshooting order that matches how the failure actually shows up.

Does a travel eSIM include hotspot use?

Usually, but the rules vary more than most people expect. Some providers cap hotspot separately. Others don’t allow it on every plan.

ProviderHotspot allowed?Separate hotspot cap?
BazTelYes, every planNo. Uses your plan’s data
AiraloYesNo. On unlimited, counts toward the 3GB daily limit
SailyYesNo, per its unlimited plan page
HolaflyNot on every planOften 500MB–1GB a day, per independent reviews

Sources: Airalo, Saily, BazTel vs Holafly field test. Checked October 2026.

A separate hotspot cap matters most if you plan to work from a laptop. A 500MB daily limit runs out in well under an hour of video calls.

Before You Touch the Hotspot Toggle

Personal Hotspot doesn’t create its own internet connection. It shares whichever line is set as your Cellular Data source. If your travel eSIM isn’t that line, the hotspot turns on and still fails silently.

This matters most on a dual SIM iPhone, where your home carrier SIM and your travel eSIM sit side by side. Set the wrong one as active, and hotspot traffic quietly tries to route through a line with no local data.

  1. Open Settings > Cellular (or Mobile Data in some regions).
  2. Under Cellular Data, select your travel eSIM as the active data line.
  3. Tap into that eSIM’s settings and confirm Data Roaming is on if you’re already in the destination country.

Apple’s own support documentation confirms this dependency. On a dual-SIM iPhone, Personal Hotspot always uses whichever line is selected for mobile data. That single setting is the root cause behind most “hotspot isn’t working” complaints.

Turning On Personal Hotspot: The Actual Steps

Once the eSIM is confirmed as your data line, turning on the hotspot itself takes under a minute.

  1. Go to Settings > Personal Hotspot.
  2. Toggle Allow Others to Join to on.
  3. Tap Wi-Fi Password and set something stronger than your name or “12345678.”
  4. Note the network name shown at the top. It matches your iPhone’s device name.
  5. On the connecting device, open Wi-Fi settings, select that network, and enter the password.

If Personal Hotspot doesn’t appear in Settings at all, your eSIM plan may not include tethering. It’s also possible the option hasn’t appeared yet because the eSIM isn’t fully active. Check your provider’s plan details before assuming the phone is at fault.

Apple devices signed into the same Apple Account skip the password entirely. They can join through Instant Hotspot from Control Center instead. That’s a fast option for a second iPhone or an iPad you’re already carrying.

On Android? Here’s how to share Samsung eSIM data with a laptop. If the laptop connects but nothing loads, see why eSIM data won’t tether to your laptop.

The One Setting That Breaks Hotspot for Most Travelers

Here’s the pattern I see over and over, in our own support inbox and across traveler forums. Hotspot turns on. The network shows up. A device connects. Pages won’t load. Nine times out of ten, the cause is the same: Mobile Data quietly reverted to the home SIM, or was never switched to the eSIM at all.

A short checklist catches this in under a minute:

  • Confirm Settings > Cellular shows the travel eSIM, not the home SIM, next to Cellular Data.
  • Confirm Data Roaming is on for that specific eSIM line.
  • Turn Wi-Fi off and try loading a webpage on cellular alone. If that fails, hotspot will fail too, since there’s nothing to share.
  • Toggle Airplane Mode on, wait ten seconds, then off. This forces a fresh network handshake and clears a large share of connection issues by itself.
  • Restart the iPhone if the Personal Hotspot menu item is missing after installing the eSIM.

If every box checks out and hotspot still won’t share data, the plan itself may not support tethering. Not every travel eSIM does, and providers rarely make that obvious at checkout. Worth asking before you buy, especially for a trip where hotspotting is the whole point.

How Much Data Hotspotting Actually Uses

This is the part most guides skip, and it decides whether your plan lasts the trip. Every device you tether pulls from the same data pool as your phone.

  • A laptop syncing email and browsing lightly: roughly 150–300MB per hour.
  • Video calls over a hotspot: 300MB–1GB per hour, depending on resolution.
  • Streaming video on a tethered tablet: 1–3GB per hour even at standard definition.
  • Background app updates and cloud sync on a connected laptop often run invisibly. They add up over a full day, even with no browser open.

The gap between “I only used it for maps” and a fully drained plan is almost always background sync, not the browsing you remember doing. Turn on Low Data Mode for the hotspot connection under Settings > Personal Hotspot. It throttles background traffic on connected devices, and it’s worth leaving on by default while traveling.

Can I share travel eSIM data?

Yes, through personal hotspot. Your phone becomes a Wi-Fi network that a laptop, tablet or another phone can join.

What you can’t do is move data from one eSIM to another. Each plan belongs to the eSIM it’s installed on.

For groups, you have two options:

  • One plan, shared by hotspot. It’s cheapest, but everyone has to stay near the host phone, and its battery drains fast.
  • A plan on each phone. It costs more, but people can split up, and nobody’s usage eats into anyone else’s.

Most families do best with a plan on each parent’s phone, and kids joining by hotspot. Our family data study shows how much that typically uses.

One thing to watch on unlimited plans: hotspot counts toward the 2GB full-speed daily allowance. A laptop syncing cloud files can use that in under an hour. If you’ll work from a laptop, a fixed plan with no daily limit is usually the better choice. Our unlimited vs fixed data guide explains why.

Battery and Performance Notes From Real Trips

Hotspotting is one of the fastest ways to drain an iPhone battery, especially on travel days already heavy with maps and photos. A few habits help:

  • Keep the iPhone plugged in or on a power bank while it’s actively hotspotting for more than a few minutes.
  • Turn on Maximize Compatibility only if an older device struggles to connect. It trades some speed and battery life for wider compatibility.
  • Turn hotspot off between uses instead of leaving it broadcasting all day. Idle hotspot still drains more battery than idle cellular alone.
  • For laptop work sessions, USB tethering via cable beats Wi-Fi for stability, and it charges the phone at the same time.

Frequently Asked Questions

Can I hotspot with a travel eSIM the same way as a physical SIM?

Yes. Once the eSIM is installed and set as your active data line, Personal Hotspot treats it exactly like a physical SIM. The steps are identical.

Why does my hotspot connect but show no internet?

This almost always means Mobile Data is still pointed at the wrong line, or Data Roaming is off for the eSIM. Check Settings > Cellular first.

Does hotspotting cost extra on a travel eSIM?

Not on BazTel. Hotspot is included on every plan at no extra cost. It uses your plan’s data, like any other app. Some providers restrict or cap it, so check before you buy.

Will hotspotting drain my data plan faster?

Yes, because laptops use far more data than phones. Cloud sync and software updates run in the background. On a BazTel unlimited plan, hotspot data also counts toward the 2GB daily full-speed limit.

Do I need to turn on Data Roaming separately for hotspot to work?

Yes, if the eSIM is operating outside its home network and the plan requires roaming to activate. That toggle applies to the eSIM line specifically, not to the phone as a whole.

Is there a hotspot limit on unlimited eSIM plans?

On BazTel, there’s no separate hotspot limit. Hotspot data counts toward the same 2GB daily full-speed allowance, then speed drops to 512kbps.

Can I share my travel eSIM data with family?

Yes, by turning on personal hotspot. Other devices join your phone’s Wi-Fi. You can’t transfer data between eSIMs, so for groups that split up, a plan on each phone works better.

This guide is based on hands-on hotspot testing across dozens of countries while running BazTel, an Australian travel eSIM provider covering 160+ destinations with one-click, no-QR-code installation. Every BazTel plan lists tethering support upfront on its destination page, so you can check it before you buy rather than at the airport. For the setup steps before this point, see our eSIM installation guide.

Source: Apple Support — Share your internet connection from your iPhone

Peter Basil

About the author

Peter Basil

Founder, CIPM, MBA

I'm Peter, the founder of BazTel. I built this company at the intersection of two things I know well: finance and travel. Before starting BazTel, I worked in investment analytics at State Street, one of the world's largest custodian banks, and later at TCorp, the New South Wales Government's investment fund.

Disclosure: the author owns BazTel. BazTel plans mentioned in this article are our own products.

Founder, BazTel