If your iPhone isn't responding, and you're not able to power it off and then on again, you can force restart it to hopefully fix the issue. Forcing a restart is different from a normal restart.
PCMag on MSN
Surprise! Apple Just Boosted Trade-In Values. Here's How to Prep Your iPhone to Get the Max Payout
Upgrading your old iPhone? Here's how to wipe your phone to safeguard your data before you ship it off, and where to trade it ...
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