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Smartphone makers are dropping the physical SIM card because an eSIM lets a carrier’s subscriber profile be loaded digitally into a chip already inside the phone. That removes the need for a card tray and a card reader, gives manufacturers more freedom in how they lay out a device, and lets you activate service without waiting for a plastic card. The change is real, but it is not a universal upgrade. Whether it helps you depends on your exact phone model, your carrier, and whether you plan to move your line to another device.
What an eSIM actually is
An eSIM is a SIM that is built into the phone rather than inserted into it. The phone contains an embedded chip, and the mobile operator’s subscriber profile is downloaded and stored on that chip. The GSMA, the industry body for mobile network operators, describes this as a new way to load the SIM into devices, supported by a standards-based ecosystem. It is not a different network, a different number, or a different kind of plan. Your carrier still provides the service; only the delivery method for the SIM identity changes.
Two practical consequences follow. First, a phone with an eSIM can hold a carrier profile without any card being shipped to you. Second, the profile is tied to the chip in that phone, which is why moving it to a new device is a process rather than a simple hand-over of a card.
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Why manufacturers are making the change
Design flexibility
A physical SIM requires a tray that opens from the outside, a slot, contacts, and space for the reader hardware. Removing those parts changes the internal layout of the device. GSMA says eSIM architecture is built to serve diverse markets and regulatory environments, which matters because a single phone design can then be sold in several regions with different carrier arrangements. The reason is layout and flexibility, not a guaranteed gain in battery life, water resistance, or durability. Those outcomes depend on the specific device, and manufacturers have to be asked about them model by model.
#1 Best Overall
- Please note, this device does not support E-SIM; This 4G model is compatible with all GSM networks worldwide outside of the U.S. In the US, ONLY compatible with T-Mobile and their MVNO's (Metro and Standup). It will NOT work with Verizon, Spectrum, AT&T, Total Wireless, other CDMA carriers, it is also not compatible with their MVNO (Visible, Xfinity Mobile, US Mobile, Cricket Wireless, etc).
- Compatibility with certain third-party devices and accessibility accessories, including some hearing aids, may vary depending on manufacturer support, Bluetooth protocols, software compatibility, and regional firmware limitations. For additional hearing aid compatibility information, please refer to Samsung’s official support documentation.
- 4G LTE Bands: B1/B3/B5/B7/B8/B20/B28/B38/B40/B41
- Display: Super AMOLED, 90Hz, 800 nits (HBM) | 6.7 inches, 110.2 cm2 (~86.0% screen-to-body ratio) | 1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
- Camera: 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF | 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF | 2 MP, f/2.4, (macro)
Digital provisioning
Because the profile is delivered electronically, the phone does not need a card to be printed, packaged, shipped, and handed over at a store. Apple’s documentation describes eSIM activation as something that happens through the carrier rather than through a physical swap. This is most useful when you are activating a new line or adding a second one. The methods available, though, depend on the carrier and the market, so the process you follow will not be identical everywhere.
Security
Apple presents eSIM as offering better security, and it makes one specific claim: a thief cannot remove the eSIM from a lost or stolen iPhone the way a physical SIM can be removed. That removes one route for taking over the subscriber identity. It does not make a phone immune to theft, account takeover through other channels, or SIM-related fraud in general. Treat the claim as Apple’s, and as narrow.
Rank #2
- Please note, this device does not support E-SIM; This 4G model is compatible with all GSM networks worldwide outside of the U.S. In the US, ONLY compatible with T-Mobile and their MVNO's (Metro and Standup). It will NOT work with other CDMA carriers, and it is also not compatible with their MVNO (Visible, Xfinity Mobile, US Mobile, Cricket Wireless, etc).
- Compatibility with certain third-party devices and accessibility accessories, including some hearing aids, may vary depending on manufacturer support, Bluetooth protocols, software compatibility, and regional firmware limitations. For additional hearing aid compatibility information, please refer to Samsung’s official support documentation.
- Camera: 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF | 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF | 2 MP, f/2.4, (macro). Battery: 5000 mAh, non-removable | A power adapter is NOT included.
Scale and product planning
GSMA’s account of mass-market deployment notes that manufacturers used to produce different device variants for different markets, depending on which SIM hardware and carrier arrangements applied. Digital provisioning can simplify distribution because one design can be configured for several markets. Regional variants and regulatory differences still exist, so an eSIM phone bought in one country may not be configured identically in another.
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsWhat the adoption numbers say
The figures below come from GSMA and GSMA Intelligence. They measure different things, so they should not be combined or read as a single trend line.
Rank #3
- Please note, this device does not support E-SIM; This 4G model is compatible with all GSM networks worldwide outside of the U.S. In the US, ONLY compatible with T-Mobile and their MVNO's (Metro and Standup, but is necessary record the IMEI). It will NOT work with Verizon, Spectrum, AT&T, Total Wireless, other CDMA carriers, it is also NOT compatible with their MVNO (Visible, Xfinity Mobile, US Mobile, Cricket Wireless, etc). Please contact the seller for more information about carrier compatibility.
- Compatibility with certain third-party devices and accessibility accessories, including some hearing aids, may vary depending on manufacturer support, Bluetooth protocols, software compatibility, and regional firmware limitations. For additional hearing aid compatibility information, please refer to Samsung’s official support documentation.
- 4G LTE Bands: B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B13(700), B17(700), B26(850), B28(700), B66(AWS-3) Display: Super AMOLED, 90Hz, 800 nits (HBM) | 6.7 inches, 110.2 cm2 (~86.0% screen-to-body ratio) | 1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
- Capture Every Moment in Detail – The 50MP triple-camera system (wide, ultrawide, macro) and 13MP front camera deliver high-quality photos and videos with HDR, panorama, and LED flash.
- All-Day Battery & Fast Charging – A massive 5000mAh battery keeps you powered, and 25W fast charging gets you back to 100% in no time.The included 25W Fast Charger is a generic accessory and is not a Samsung-branded charger.
| Figure | What it measures | Source and date |
|---|---|---|
| 5% of smartphones | Estimated global eSIM smartphone penetration at the end of 2025 | GSMA Intelligence, reported in GSMA’s 2026 article on eSIM mass-market deployment |
| 2.5 billion connections | Forecast number of eSIM-enabled smartphone connections by 2028 | GSMA Intelligence forecast, in The Mobile Economy 2026 |
| 42% of SIM technologies | Forecast eSIM share of all SIM technologies by 2030 | GSMA Intelligence forecast, in The Mobile Economy 2026 |
The first number is an estimate of where adoption stood at the end of 2025. The other two are forecasts. A forecast is a projection of what the industry expects, not a measured outcome, so it should be quoted with its source and year attached.
What changes for you, and what does not
For most people, the choice is not between two equal options. The table below sets out the practical differences between a removable SIM and an eSIM on the points that matter when you buy, switch, or lose a phone.
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- 2G bands GSM 850 / 900 / 1800 / 1900 3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 5G bands 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6
- Dimensions 146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in) Weight 162 g (5.71 oz) Build Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame SIM Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
- Display Type Dynamic LTPO AMOLED 2X, 120Hz, 480Hz PWM, HDR10+, 2600 nits (peak) Size 6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio) Resolution 1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density) Protection Corning Gorilla Glass Victus 2
- OS Android 15, up to 7 major Android upgrades, One UI 7 Chipset Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) CPU Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) GPU Adreno 830
- Main Camera Triple 50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video Features Best Face, LED flash, auto-HDR, panorama Video 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
| Situation | Removable physical SIM | eSIM |
|---|---|---|
| Activating a line | Obtain a card and insert it into the phone | Carrier provisions a profile digitally; method depends on carrier and market |
| Moving the line to a new phone | Move the card from one phone to the other | Profile must be transferred through the carrier or a supported transfer process; not always as simple as moving a card, and Apple’s guidance describes limits on exporting profiles between eUICCs |
| Phone compatibility | Depends on the phone accepting the card size and carrier | Depends on the exact device variant, the carrier, and the plan |
| Phone is stolen | The card can be removed from the phone | Apple says the eSIM cannot be removed from a stolen iPhone in this way |
| Carrier support | Not stated for this comparison | Apple’s deployment guidance says local carrier eSIM support may not be available at the scale an organization needs |
Moving a line to a new phone
This is where eSIM most often surprises people. Apple’s guidance describes limits on exporting eSIM profiles between eUICCs, the embedded chips that hold them. A European Commission interoperability factsheet dated May 2026 describes the 2025 rollout by Apple and Google of cross-platform eSIM transfer as simplifying transfers between phone systems. That is an improvement, but it does not mean every carrier, plan, or device pair will transfer the same way. Before you switch phones, confirm with your carrier that your plan supports the transfer route you intend to use.
Compatibility
Support is conditional on three things: the exact phone model, the carrier, and the market. A phone sold as eSIM-capable in one region may use a different configuration elsewhere. Apple’s guidance is explicit that readers should verify their model and plan with their carrier, and that is the only reliable check.
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- Please note, this device does not support E-SIM; This 4G model is compatible with all GSM networks worldwide outside of the U.S. In the US, ONLY compatible with T-Mobile and their MVNO's (Metro and Standup, but is necessary record the IMEI). It will NOT work with Verizon, Spectrum, AT&T, Total Wireless, other CDMA carriers, it is also NOT compatible with their MVNO (Visible, Xfinity Mobile, US Mobile, Cricket Wireless, etc). Please contact the seller for more information about carrier compatibility.
- Compatibility with certain third-party devices and accessibility accessories, including some hearing aids, may vary depending on manufacturer support, Bluetooth protocols, software compatibility, and regional firmware limitations. For additional hearing aid compatibility information, please refer to Samsung’s official support documentation.
- 4G LTE Bands: B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B13(700), B17(700), B26(850), B28(700), B66(AWS-3)
- Display: Super AMOLED, 90Hz, 800 nits (HBM) | 6.7 inches, 110.2 cm2 (~86.0% screen-to-body ratio) | 1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
- Camera: 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF | 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF | 2 MP, f/2.4, (macro)
Using an eSIM while travelling
Apple’s travel guidance describes using an eSIM for a destination while keeping your home line active on the same phone. It also suggests buying an eSIM from a local carrier in the country you are visiting. Requirements vary by country or region, and the guidance notes that residency or payment requirements can apply.
Before you buy a travel eSIM, check these points:
- Coverage in the specific country or region you will visit, not only the broader area named in the offer.
- Plan duration and whether it starts on purchase or on first connection.
- Data allowance and whether hotspot or tethering use is included.
- Whether voice calls and SMS are included, and whether the eSIM comes with a phone number at all.
- Whether your phone’s exact model supports the destination’s networks.
Checks before you switch
- Confirm that your exact phone model supports eSIM in your region, using the manufacturer’s specifications.
- Ask your carrier whether it supports eSIM activation for your plan, and whether it can provision a profile to a new device.
- If you are moving a line from an existing phone, ask the carrier which transfer route applies and whether the old phone must be deactivated or the profile removed first.
- Keep your carrier account credentials and identity verification details available, because a digital transfer may require them.
- If you plan to keep a physical SIM as a backup, confirm with the carrier whether that is supported for your plan before relying on it.
If your phone does not support eSIM, or your carrier does not offer it, a physical SIM remains the workable option. Removing the card from the design is the manufacturer’s decision; whether you need one depends on the phone you own and the service you have.
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