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Practical advice on buying refurbished iPhones, caring for your device, and getting more from Rainbowmobile.
"SIM not supported" or "No Service": what to check on a new-to-you iPhone
Four messages, four different causes. Here is what each one means on a new-to-you iPhone, the checks that fix most cases in minutes, and when to get in touch.
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eSIM-only iPhones and imported models: what to check before buying refurbished
A refurbished iPhone may have started life in the United States, Hong Kong or Japan. Most differences are harmless; a few matter. Here is how to tell.
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How to check an iPhone's IMEI, activation lock and blacklist status before you buy
Five minutes of checks separate a good used iPhone from an expensive paperweight. Here is exactly what to look up, in order, before money changes hands.
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How to check an iPhone is unlocked, and what “SIM-free” really means
Unlocked, SIM-free, carrier-locked, activation-locked: the words sound similar but mean very different things. Here is how to check a phone in a few minutes.
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