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iPhone iOS update won't install or keeps getting stuck

Update failures happen because of weak WiFi, not enough storage, or a temporary software glitch. Make sure you have at least 5 GB free space, use strong WiFi, plug in your iPhone, and try again.

iOS updates need a stable internet connection, several gigabytes of storage, and to stay plugged in the whole time. If your WiFi drops, storage runs low, or you interrupt it, the installation fails. Most failures are fixable by ensuring you have space, using a strong WiFi connection, and trying again. If the phone is stuck mid-update, force restarting helps it retry.

Risk: Medium ⏱ 20-45 minutes Beginner

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