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iPhone buying

2 articles with this tag.

Cover chart titled How Much RAM a Phone Needs, with badges for physical DRAM, zRAM, storage swap, and cached apps, beside an unbranded phone

Smartphones By Samuel Carter Updated October 2026 9 min read

How Much RAM Does a Smartphone Need?

A smartphone needs enough physical DRAM to keep your apps cached. Keep zRAM and storage-backed virtual memory in separate columns.

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Infographic titled Compare Software Support, with the labels Exact model, Start month, Year count, and Months left, beside an unbranded phone

Smartphones By Samuel Carter Updated October 2026 13 min read

How to Compare Phone Software Support Before You Buy

A discount on older stock wastes the years you thought the receipt restarted. Subtract your purchase month from the maker's start month plus the published year count.

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