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Unlocked Smartphones: Bands, Software and Storage

SIM-free Android and iOS smartphones that accept a card from the carrier you choose, from compact handsets to large foldables. 2,409 products from $4.99 to $35,091.99. Apple, SAMSUNG, Google and more.

2,409 products from $4.99

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Network labels decoded: GSM, CDMA, LTE and 5G

Listings spell out network technology, and the labels can look like alphabet soup. LTE and 5G are what modern carriers use for data and voice, so confirm that the phone lists LTE bands or 5G bands for your country and carrier. Older names such as GSM, HSPA, CDMA and EVDO describe support for earlier networks, which carriers are retiring. A phone that says unlocked still needs matching radio bands, and a model made for another region can miss some, which shows up as weak signal or no 5G.

Operating system, update support and storage tiers

Choose the ecosystem first: Android phones come from many makers and in many sizes, while iOS phones receive long software support and work most smoothly with other devices from the same maker. Listings show software versions from Android 11 to Android 15 and iOS 14 upward, and older releases may no longer get security updates, so check the update status of the exact model. Then pick RAM and storage: 4 GB of RAM is a floor, 8 GB or more suits heavy multitasking, and 128 GB is a practical minimum for storage.

Questions about Unlocked Smartphones: Bands, Software and Storage

Will an unlocked phone work with any SIM?
Any carrier SIM of the right size will be accepted, but service depends on the phone's radio bands matching that carrier's network. Check the band list and whether the phone supports eSIM if your carrier issues eSIM profiles.
How much RAM does a smartphone need?
4 GB handles calls, messaging and light apps, 6 to 8 GB keeps several apps open without reloading, and 12 GB helps with heavy games and multitasking. Software tuning matters too, so RAM alone does not decide speed.
Should I choose Android or iOS?
Pick the system that fits the apps, accounts and devices you already use. Android offers more variety of makers and sizes; iOS offers consistent updates and tight integration with that maker's other products. Switching between them means transferring data and repurchasing apps you bought.