In a nutshell: You can save multiple eSIMs on your phone without any issue (most phones store between 5 and 20 profiles), but only two lines can be active at the same time. The rest stay archived, ready to be turned on with a couple of taps. Installing is nearly unlimited; using in parallel, only two.
This is one of the great advantages of eSIM technology and, at the same time, one of the most confusing. Many travelers think their phone only supports one profile, or the opposite — that it can use five at once. Neither is true. In this guide we clear up the real limit per model, the difference between saving and activating, how to switch between profiles without reinstalling anything, and which line uses your data. The idea is that you land with internet, no roaming, and no stress, even if you have half a dozen destinations pre-installed.
How many eSIMs fit and how many you can use at once
Almost all modern phones store between 5 and 20 eSIM profiles in memory, but only allow you to have two lines active at the same time: one eSIM plus the physical SIM, or two eSIMs on models that support it. The rest of the profiles stay archived, turned off, using nothing, waiting for you to reactivate them.
The common confusion is thinking "saving" and "using" are the same. They're not. Your phone can store the eSIM from your carrier back home, the one from your last trip to Thailand, and the one you bought for Italy, all at once, without deleting any. What changes is which ones are on at any given moment. For a traveler, this is gold: you stock up on destinations without scanning QR codes over and over, and in each country you activate the right one.
If you want to understand the basics of how a phone handles two lines before moving on, it's worth checking out how dual SIM works. It's the foundation everything else rests on.
Quick rule: installing is nearly unlimited (up to your model's limit), but you only activate two. Think of it like a wallet with many cards where only two fit in the ATM slot at once.
Saved vs. active: the key difference
Here's the concept that unlocks everything. An eSIM effectively has two states: saved and active.
A saved eSIM is an installed profile that stays in the phone's manager even when it's turned off. It doesn't drain battery or use data while inactive, and you can turn it on when you land in its country. An active eSIM is the one connected to the network at that moment: it shows signal in the top bar and can receive calls, SMS, or browse depending on how you set it up.
This separation is what makes eSIM so convenient for travel. Imagine you fly from Madrid to Jakarta with a stopover in Istanbul. You can have the eSIMs for Turkey and Indonesia pre-installed from home, keep your carrier's line turned off to avoid paying roaming, and turn each one on as you hit the ground. No frantic search for airport Wi-Fi, no buying a local SIM from a store you can't find.
Saving many profiles won't slow down your phone; it just takes up a tiny internal record. And if later you're not going back to a destination, you can always clean up by following the guide to delete or remove an eSIM and free up space. Just be careful before deleting: once it's gone, you'll normally need the original QR code or a new profile to use it again.
Limit by model (iPhone, Samsung, Pixel)
The number of profiles you can store depends on the manufacturer and the year of the device. There is no single standard: Apple is generous, while Samsung and Google fall a bit short. These are the typical ranges you'll see in practice.
| Model | eSIMs stored (approx.) | Active at once | Dual eSIM without physical SIM |
|---|---|---|---|
| iPhone 13 / 14 / 15 / 16 | Up to 8-20 profiles | 2 lines | Yes |
| iPhone XS / XR up to 12 | Up to 8-10 profiles | 2 lines (1 eSIM + 1 physical) | No |
| Samsung Galaxy S23 / S24 / S25 | Up to 5-7 profiles | 2 lines | Depends on region and model |
| Google Pixel 7 / 8 / 9 | Several profiles | 2 lines | Depends on Android version |
On iPhone, from the 13 onward you can have two eSIMs active simultaneously without needing a physical SIM — very handy if you separate work and travel or carry two numbers on the same device. On most Samsung and Pixel devices, the classic combo is one eSIM plus one physical card, though newer models already support two eSIMs depending on region and software version.
One important nuance: the exact number of profiles that fit can vary with system updates, so treat it as a guideline rather than a hard number. For the specific details of the Apple ecosystem, you have the full reference in how many eSIMs an iPhone can have.
How to switch between your eSIMs step by step
Switching from one profile to another doesn't require reinstalling anything or rescanning the QR. It takes two minutes from the mobile network settings. Here's the general process.
- Open Settings → Cellular on iPhone (or Connections → SIM manager on Samsung, Network & internet → SIM on Pixel).
- Select the eSIM you want to activate and turn it on; turn off the one you won't use.
- Choose which line will use mobile data and which will handle calls and SMS.
- If the phone doesn't pick up the network right away, toggle airplane mode on and off, or restart.
It is exactly the same panel where you installed the profile the first time. If you need a refresher on that first step, you have the details in how to install an eSIM. The key point is that switching is reversible and free: you can go back and forth between profiles as many times as you like without using data or needing a new profile.
Many travelers leave their eSIM from home turned on just to receive SMS from banks and verification codes, and set the destination data eSIM as the primary line for browsing. That split of data and calls between two profiles is the essence of a well-planned dual SIM setup.
Which eSIM handles data and calls
When you have two active lines, your phone lets you decide which one uses the data and which one handles calls and messages. They don't mix: you can browse with the data eSIM from the country you're visiting while keeping your local number for incoming calls. This avoids bill shocks, because the destination data line doesn't charge roaming.
The most common and most expensive mistake is accidentally leaving your home line on for data abroad. Just one app updating in the background can start racking up roaming charges without you noticing. That's why it's worth diving into settings right after you land, even before you leave the plane, and confirming two things: that the data eSIM is the destination one and that data roaming on your home line is turned off.
If you usually share your connection with your laptop or tablet, remember that the hotspot draws from the data line you've set as primary. If that's the destination one, you share internet without roaming; if it's accidentally your home line, the bill skyrockets. And if you're traveling with family and several devices need internet, you might want to set up a separate eSIM on each device instead of bogging down a single phone with the hotspot.
What almost nobody tells you
Beyond the basics, there are details that rarely appear in guides and make the difference between a connected trip and an afternoon fighting with settings. These are the ones that really matter.
Saving a profile doesn't activate it: you have to turn it on separately
Installing an eSIM and activating it are two different actions. You can have the profile downloaded for months and still not have data until you turn it on and set it as your data line. If you land and have no internet, the first thing to check isn't coverage, but whether the correct profile is activated.
The expiry runs even if you don't use the eSIM
An archived profile may have expired without you ever touching it. Many plans start counting their validity from the first network connection, but others have a fixed expiry date. Before relying on an eSIM you bought six months ago, check its terms. Don't assume it's still active just because it's in the list.
Renaming profiles saves you from activating the wrong one
By default, many eSIMs show up with generic names like "Mobile Data 2" or the wholesale carrier's name, which repeats across countries. If you have three or four, it's very easy to turn on the Portugal one when you're in Morocco. Rename each one with the country and date ("Morocco jul-26") as soon as you install it.
The QR code is single-use
This catches a lot of people. The installation QR code usually works only once. If you delete the profile thinking you'll reinstall it later with the same QR, you might find you can't. Keep the profile turned off instead of deleting it if you think you'll return to that destination, and don't remove an eSIM mid-trip unless you're sure.
Install with Wi-Fi before you fly
To download the profile you need an internet connection, and that's exactly the resource you're missing when you land in a new country. Get everything installed at home, on Wi-Fi, and just turn on the correct profile when you arrive. It's the difference between having internet as you step off the plane or desperately hunting for an open network in the terminal.
Tips for travelers with many profiles
When you accumulate eSIMs from several trips, a bit of order makes all the difference. These habits save time and headaches.
- Rename each profile with the country and date so you don't mix them up in the list.
- Turn off your home line for data before takeoff and leave it only for SMS if you expect verification codes.
- Check the expiry of archived eSIMs before counting on them for your next trip.
- Install before you fly, on Wi-Fi, so you don't have to rely on finding a network when you arrive.
- Reduce data usage on your eSIM by disabling background updates and lowering streaming quality; you have more ideas in the data-saving tips guide.
- Delete ones you no longer use only if your model has few free slots, and never mid-trip.
With these habits, one phone handles half a dozen destinations without any fuss. All your eSIMs coexist, and you decide at each border which one to turn on. In practice, it's like having a drawer of data cards always handy inside your phone. If your next destination is Europe, the United States, or a trip around Spain, you can get the profile ready now with a Europe eSIM or a US eSIM and add it to the profiles you already have saved, all from the same phone.
Frequently Asked Questions
Can I have two eSIMs active at the same time?
Yes, if your phone supports it. iPhones from the 13 onward allow two eSIMs active simultaneously without a physical SIM. Most Samsung and Pixel phones combine one active eSIM with the physical SIM, though recent models also support two eSIMs depending on the region. In all cases, you can store many more profiles turned off and turn them on when you need them.
How many eSIMs can I store on my phone?
It depends on the model. A recent iPhone stores between 8 and 20 profiles, while many Samsung and Pixel phones store around 5 to 7. Storing inactive profiles doesn't drain battery or data; they only take up a small internal record until you activate them. The exact number can change with system updates.
Do all my eSIMs use data at the same time?
No. Only the eSIM you have set as your mobile data line consumes data. The others, even if installed, remain inactive and don't use data or incur charges. That's why it's a good idea to check in settings which line is selected each time you change countries.
Do I have to reinstall the eSIM every time I switch profiles?
No. Once installed, the eSIM stays saved even if you turn it off. To use it again, just go into your mobile data settings, activate it, and choose whether it will use data or calls. There's no need to scan the QR code again or request another profile. It's different if you delete it: in that case, you will need the original QR or a new profile.
Can I use a data eSIM and my local number at the same time?
Yes, and it's the most recommended thing to do when traveling. Keep your local number active to receive calls and SMS, and use the destination data eSIM to browse without roaming. This way, you keep your regular line reachable without paying high data rates. Just make sure the data line selected is the destination one.
Does storing many eSIMs slow down or drain the battery on my phone?
Not noticeably. A turned-off profile doesn't connect to any network, so it doesn't consume battery or data. It takes up a small record in the SIM manager, nothing that affects performance. You can accumulate several destinations without noticing any difference in speed or battery life.
What if my phone only supports one active eSIM plus the physical SIM?
You can still store several eSIM profiles and switch between them, but you'll only have one eSIM turned on at a time alongside your physical card. In practice, this is more than enough for travel: you use the destination eSIM for data and the physical SIM for your number. The rest of the profiles wait their turn turned off.
Conclusion
Storing multiple eSIMs is almost unlimited up to your model's limit, but only two lines are active at a time, and you decide which one uses the data. With well-named profiles, checked expiration dates, and your home line turned off for data, a single phone travels with you across half the world without changing phones or numbers. Prepare your next destination with the eSIM already installed and ready, and land with internet, no roaming, and no stress.
