The Galaxy Z TriFold's 10-inch Tri-foldable Dynamic LTPO AMOLED 2X display folds thrice, so you obviously cannot use glass protectors on top of it. Before rushing to purchase a flexible plastic film, know that the best Samsung Galaxy Z TriFold screen protector is, in fact, the film pre-installed by Samsung. You are not encouraged to peel it off.
You should, however, get a sturdy screen protector for the 6.5-inch Dynamic AMOLED 2X cover screen. Since this is the "face" of your very expensive new foldable, you'll want to invest in only the best. There are hardly any third-party options and no official cover screen protector from Samsung. However, you can get away with using the Galaxy Z Fold 7's cover screen protector as both foldables share 6.5-inch 1080 x 2520 cover displays, with the same centered front camera cutout.
Solid screen protectors for the Samsung Galaxy Z TriFold
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Best overall
Supershieldz designed this tempered glass screen protector to fit the Galaxy Z TriFold's cover display like a glove. It has a perfect front camera punch hole. You get three units in the box, all with oleophobic and hydrophobic water and dust-repelling properties.
Best matte
Diacube's four-pack of Samsung Galaxy Z TriFold protectors includes four matte, hybrid films. These anti-glare films repel fingerprints and are capable of self-healing from minor scratches as they are made of EPU and TPU materials.
Best first-party
Samsung does not sell the TriFold variant of its Anti-Reflecting Film, but you can get the Samsung Galaxy Z Fold 7 Anti-Reflecting Film instead. This two-pack includes two very high-grade films. The coverage might not be 100%, but it works well in a pinch.
A limited collection of decent Samsung Galaxy Z TriFold screen protectors exist at the moment
When it comes to the best Samsung Galaxy Z TriFold screen protectors, there are hardly any reliable picks that I can comfortably recommend right now. Just like the best Galaxy Z TriFold cases, the list might seem scant. Don't worry, though, I'll keep updating it periodically to make sure the latest picks are included.
For now, do not even think about changing the 10-inch internal screen protector of the Samsung Galaxy Z TriFold. Samsung already installs one before shipping it out, and there's no reason why you should pry it off and apply another one. This could even damage your TriFold's screen. Instead, I suggest you turn your attention to the cover display.
The internal Tri-foldable Dynamic LTPO AMOLED 2X display is neatly tucked out of harm's way when folded. The cover screen is what's exposed to the elements all the time. Therefore, you should get a tempered glass protector or plastic film to shield it. Supershieldz carries more weight and has a more well-established reputation. Therefore, the brand's three-pack tempered glass kit is the ideal cover screen protector for the Z TriFold.
Alternatively, you could also choose from one of the best Galaxy Z Fold 7 cover screen protectors. As I mentioned earlier, both the TriFold and the Fold 7 have a 6.5-inch Dynamic LTPO AMOLED 2X cover display with the same 1080 x 2520 screen resolution and 422 ppi pixel density. Even the selfie camera cutouts are situated in the same position. Theoretically, you can use the Fold 7's cover screen protector on the TriFold. We have not tested this for ourselves yet, but the on-paper specs check out.
