Very Difficult — Requires disassembling almost all of the device. Not recommended for non-professionals.
Difficult — Requires significant disassembly and repair knowledge.
Moderate — Requires some disassembly, additional tools, and basic repair knowledge.
Easy —Requires minimal disassembly, requires only Phillips or flat-head screwdriver.
Very Easy — Does not require opening device.
Note: iFixit is not liable for any damage to your device. You can find Apple authorized service centers via Apple's store locator.