The Galaxy S9 is a marvel of engineering, a pristine specimen of glass and next generation components. Just make sure you don’t damage the device, because fixing it will be very difficult.

iFixIt has published its teardown of the Galaxy S9 Plus, saying repairs are particularly difficult due to the display and rear glass. Out of a possible 10 points, iFixIt gave the device a 4, which matches last year’s Galaxy S8.

Delving deep into the S9 Plus’ internals, iFixIt found that the device’s biometrics, including iris scanner, front-facing camera, and IR emitter, are essentially unchanged from last year. As a result, the technology is nowhere near as advanced as Apple’s TrueDepth system.

As for the rear-facing dual-camera setup, the sensors can be found on a single unit. And just as Samsung said, there are chips found lurking in the camera modules, which enables the device to achieve 960 slow-mo.

All-in-all, there aren’t many surprises to be found in the Galaxy S9 Plus. One positive, according to iFixIt, is that many of the components are modular and can be replaced independently. Unfortunately, accessing these parts, such as the battery, provides “an unnecessary challenge.”

It’s something to keep in mind if you plan to pick up the Galaxy S9 when it launches this Friday.