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Can You Update iPhone With No SIM Card?

Updating your iPhone software isn’t always a straightforward procedure, especially when you’re met with various error messages preventing the update. If you’re an iPhone owner and do not use a SIM card, you may wonder whether these errors are related to the absence if SIM.   Is a Sim Required for an iOS Update? You …

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Can A Phone Work Without An SD card?

Smartphones are used as cameras, video recorders, voice recorders, calculators, music players, radios, browsers, etc.  With all those features, comes the need to have high-capacity storage, and an SD (Secure Digital) card can solve that problem in some cases.  But, is an SD card necessary, and can a phone work without one?  Can a smartphone …

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Is A SIM Card Required To Download Apps?

A SIM (Subscriber Identity Module) card is a small portable chip whose main function is to store information about the phone user, as well as establish communication between  the phone and the carrier’s network.  If you’re using your smartphone with Wifi without a SIM card, you may wonder whether or not you can still do …

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Factory Unlocked vs Network Unlocked: What’s The Difference?

Unlocked phones can either be factory unlocked or network unlocked. What’s the difference? Factory unlocked means the phone was bought directly from the mobile company or an authorized vendor pre-unlocked. It’s not carrier locked and can be used with any compatible carrier. Network unlocked means it was bought carrier-locked and then unlocked by the carrier …

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Activate Today vs Activate Later (Best Buy)?

When you buy an unlocked smartphone through Best Buy, you can choose to “activate today” or “activate later” . What is the difference? “Activate today” means the phone comes with a service plan and a new SIM card from a supported carrier, with a discounted device price. “Activate later” means you can use a SIM …

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