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How-to guides

Task-first guides. Each one answers a single question and gets you to the result in as few steps as the device allows.

140 guides

FeaturedHow-To

Cancel phone service

How to cancel phone service with Verizon, AT&T or T-Mobile: when not to cancel, what you still owe, one line on a family plan, and how to avoid surprise fees.

6 min read
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How-To

Check phone carrier compatibility

Check if your phone is compatible with a carrier using its free IMEI checker. Learn why phones fail: carrier lock, missing bands or no VoLTE, and what to do.

6 min read
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Illustration of several iPhone models with a value tag for trade-in and resale
How-To

How much is my iPhone worth

How much is your iPhone worth in 2026? See Apple’s current trade-in values, how to check your exact price, and how to get more by selling it yourself.

6 min read
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How-To

Lower your phone bill

Lower your phone bill with 12 proven ways: right-size your plan, use autopay discounts, remove add-ons, ask for loyalty deals or switch to cheaper prepaid.

6 min read
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How-To

Number transfer PIN

Get a number transfer PIN to switch carriers: steps for Verizon, AT&T, T-Mobile and prepaid brands, where to find your account number and fixes if a port fails.

6 min read
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How-To

Switch phone carriers

Switch phone carriers without losing your number: check your phone is unlocked, get your account number and transfer PIN, and let the new carrier move the line.

6 min read
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Illustration of an eSIM moving from an old iPhone to a new iPhone
How-To

Transfer eSIM to a new iPhone

Transfer your eSIM to a new iPhone with eSIM Quick Transfer, from an Android phone or with your carrier if the old phone is lost. Verizon, AT&T and more.

6 min read
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How-To

What carrier is my phone?

What carrier is my phone? Find the carrier your phone uses or is locked to in Settings, with the Samsung CSC code, the IMEI or the box, all free and in minutes.

6 min read
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Illustration of an iPhone running a free IMEI check that shows the device is not reported stolen
How-To

Check if a phone is stolen

Learn how to check if a phone is stolen before you buy it. Run a free IMEI check, spot Activation Lock and unpaid balances, and avoid used phone scams.

6 min read
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How-To

Use your phone in Mexico

How to use your phone in Mexico without a surprise bill. See what Verizon, AT&T and T-Mobile include, when to buy a pass or eSIM, and settings to check first.

6 min read
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How-To

Is my phone unlocked?

How do I know if my phone is unlocked? Check in Settings on iPhone, Samsung or Pixel, test a SIM or eSIM, and see the 2026 Verizon, AT&T and T-Mobile rules.

7 min read
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How-To

Turn off call screening

Learn how to turn off call screening on iPhone so unknown callers ring normally again. Covers Ask Reason for Calling, call filtering and carrier spam apps.

7 min read
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How-To

Turn off Liquid Glass

Learn how to turn off Liquid Glass on iPhone as far as Apple allows. Use the iOS 27 slider, Tinted mode and Reduce Transparency to make menus solid and clear.

6 min read
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