If I open my iPhone, will Apple know if it's been opened from the outside?

If I open my iPhone, will Apple know if it's been opened from the outside? - 1

There will often be "witness marks" left by the tools on the screws. If there are none then there's no other visible external indication.

The important internal parts can't be properly dismantled without undoing one or more screws covered by tell-tales: smooth white screw-head covers which turn red if exposed to moisture and which are destroyed if the screw is removed.

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