Yes—provided the connector ends fit and the Samsung adapter meets the relevant USB charging standard. Apple supports compliant third-party power adapters, and Samsung lists its 25W USB-C PD adapter as compatible with devices including iPhone 8 and later. The Samsung brand itself is not what determines compatibility; the adapter port, cable, iPhone port and safety compliance do.
What determines whether the charger will work?
A charger does not force its maximum wattage into a phone. The phone and adapter negotiate an appropriate power level through the charging standard. Therefore, a Samsung adapter can charge an iPhone when:
- The cable has the correct connector at both ends.
- The adapter supports a compatible USB standard.
- The adapter and cable are genuine, undamaged and compliant.
Apple says iPhone users may charge with compliant third-party adapters. Its safety guidance also warns that noncompliant adapters can pose a risk; damaged cables or adapters should not be used. See Apple’s USB power-adapter guidance.
Choose the cable for your iPhone and Samsung adapter
| iPhone | Samsung adapter port | Cable required |
|---|---|---|
| iPhone 15 or later (USB-C) | USB-C | USB-C-to-USB-C |
| Lightning iPhone | USB-C | USB-C-to-Lightning |
| Lightning iPhone | USB-A | USB-A-to-Lightning |
| USB-C iPhone | USB-A | A cable with USB-A at the adapter end and USB-C at the phone end, if the specific adapter and cable support charging |
Apple specifically documents USB-C-to-Lightning use with USB-C power adapters and USB-A-to-Lightning compatibility for Lightning iPhones. Its USB-C iPhone instructions are available at Charge and connect with the USB-C connector on your iPhone. Check both cable ends before buying: a USB-C plug will not fit a USB-A socket, and a Lightning plug will not fit a USB-C iPhone.
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- LIGHTNING FAST AND EFFICIENT: The new power adapter accommodates your active lifestyle by giving you up to 25W of Super Fast Charging* for devices compatible with USB Type-C cables**; So when you do run low on power, it won't be for long
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Which iPhones use which port?
iPhone 15 and later
These models have a USB-C port. Use a compliant USB-C cable and a USB-C power adapter. Apple identifies USB Power Delivery (USB PD) as the fast-charging route for USB-C iPhones and says a 20W-or-higher USB-C adapter can be used for faster charging. That capacity is an adapter guideline, not a guarantee of a particular percentage or charging time.
Earlier iPhone models
Earlier iPhones use Apple’s Lightning port. With a Samsung adapter that has USB-C, use a USB-C-to-Lightning cable. With an older Samsung USB-A adapter, use a USB-A-to-Lightning cable. Samsung’s connector guidance is summarized in its USB Type-C cable and adapter support page.
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- LIGHTNING FAST AND EFFICIENT: The new power adapter accommodates your active lifestyle by giving you up to 25W of Super Fast Charging* for devices compatible with USB Type-C cables**; So when you do run low on power, it won't be for long
- SMALL SIZE. BIG POWER: Don't let its size fool you; The compact 25W Power Adapter packs huge power into a slimmer and more travel-friendly design***, all thanks to GaN Tech****
- POWER WITH A PURPOSE: New 25W Power Adapter reduces its power from 20mW to just 5mW when not in use to save power; Plus, it includes recycled content, reflecting our commitment to being environmentally conscious in everything we do*****
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Will a Samsung charger damage an iPhone?
A compliant Samsung adapter used with the correct cable should not damage an iPhone simply because it carries the Samsung name. The practical safety questions are whether the adapter follows the applicable standard and whether the hardware is in good condition. Avoid counterfeit or visibly damaged accessories, frayed cables, bent connectors and adapters with cracked housings or unusual heat.
If charging repeatedly starts and stops, the connector feels loose, the adapter becomes abnormally hot, or the iPhone displays an accessory warning, unplug it and try a known-good compliant adapter and cable. Do not continue using equipment that shows physical or electrical damage.
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Will it fast-charge?
Possibly, but no universal iPhone speed can be promised from the charger’s brand or headline wattage. Fast charging depends on the exact iPhone, the adapter’s USB Power Delivery support, the cable, battery temperature, battery state and whether the phone is being used while charging.
Samsung’s US listing for the 25W PD Power Adapter (EP-T2510) says its USB-C port supports “Super-Fast Charging (SFC) … with other SFC capable devices such as iPhone8 or higher.” This is Samsung’s manufacturer compatibility statement, not an independent iPhone-by-iPhone speed test or a promise that every listed iPhone will draw 25W. Consult the current Samsung 25W PD adapter listing for the product’s stated specifications; availability and included cable contents can change.
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An adapter rated above the phone’s requirement does not make the phone charge at that rating. The iPhone controls how much power it accepts, and charging generally slows as the battery approaches full capacity.
How to check a Samsung charger before using it
- Identify the iPhone port. Look for USB-C on iPhone 15 and later, or Lightning on earlier models.
- Inspect the adapter socket. Note whether it is USB-C or USB-A.
- Match both cable ends. Use USB-C-to-USB-C for USB-C-to-USB-C charging, USB-C-to-Lightning for a USB-C Samsung adapter and Lightning iPhone, or USB-A-to-Lightning for a USB-A adapter and Lightning iPhone.
- Check the rating and standard. If faster charging matters, look for USB PD on a USB-C adapter. A 20W-or-higher USB-C adapter is Apple’s stated capacity guidance for faster charging on USB-C iPhones.
- Examine condition and authenticity. Do not use damaged, counterfeit or uncertified-looking equipment.
- Test normally. Connect the cable firmly. The charging indicator should appear; if it does not, disconnect and test the cable and adapter separately with known-good equipment.
Common combinations and their limits
Samsung USB-C PD adapter with a Lightning iPhone
This is a standard setup when paired with a USB-C-to-Lightning cable. It can charge the phone, and compatible USB PD equipment may provide faster charging than a basic adapter. The actual rate remains model- and condition-dependent.
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Samsung USB-C PD adapter with an iPhone 15 or later
Use a USB-C-to-USB-C cable. The adapter can charge the iPhone if it complies with the USB-C and USB PD requirements. Do not assume the phone will draw the adapter’s full 25W or any other advertised maximum.
Older Samsung USB-A adapter
Use a cable with USB-A at the adapter end. For a Lightning iPhone, that normally means USB-A-to-Lightning. Charging may be slower than with a USB-C PD adapter, and the adapter’s exact capabilities must be checked rather than inferred from its brand.
Samsung charger versus buying another adapter
| What to compare | Why it matters |
|---|---|
| Adapter port | Determines which cable end fits. |
| iPhone port | Determines USB-C-to-USB-C, USB-C-to-Lightning or another cable choice. |
| USB PD support | Relevant when fast charging is a priority. |
| Cable condition and certification | A poor or damaged cable can prevent charging or create a safety hazard. |
| Safety compliance and authenticity | Reduces the risk associated with noncompliant hardware. |
If your existing Samsung adapter passes these checks, there is usually no technical need to replace it solely because you own an iPhone. Replace it when the connector, cable, rating or condition does not meet your needs.
The Bottom Line
A Samsung charger can charge an iPhone when the ports, cable and charging standard match. Use the correct USB-C or Lightning cable, choose compliant undamaged accessories, and treat 25W or fast-charging labels as adapter capabilities—not guaranteed iPhone charging speeds.
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