iPhone 13 repairability

Battery, screen and rear cameras have separate replacement guides for the iPhone 13.

What to check before buying

Replacement parts
Battery, screen and camera each have replacement guides.
Repair documentation
iFixit documents stretch-release strips for the battery; the display must be lifted to reach it.
Rear cameras
The camera assemblies are separate from the screen.

Battery

iFixit documents stretch-release strips for the battery; the display must be lifted to reach it.

Screen and cameras

iFixit separately documents the OLED screen and rear-facing camera assemblies. A camera fault is not a display fault even when both follow a drop.

Sources

  1. iPhone 13 Repair HelpiFixit
  2. iPhone 13 OLED Screen ReplacementiFixit
  3. iPhone 13 Battery ReplacementiFixit