Glass on iPhone Duo: what to stick on which screen? [2026]

Hartowane szkło lub folię naklejasz w iPhonie Duo tylko na ekran zewnętrzny 5,4 cala. Na ekran wewnętrzny 7,6 cala nie naklejaj niczego, bo ma już fabryczną warstwę ochronną z matowym wykończeniem. Do tego możesz dokupić osłonę aparatu.

iPhone Duo jest w sprzedaży od 23 października, więc to dobry moment, żeby wybrać dla niego ochronę. W składanym telefonie łatwo o pomyłkę, dlatego zaczynamy od różnic między ekranami, a potem porównujemy szkła i folie dostępne w sklepie.

Osłony ekranu do Duo, które opisujemy w tym tekście, są przeznaczone na ekran zewnętrzny. Wśród marek, które sprzedajemy, nie znaleźliśmy folii na ekran wewnętrzny.

iPhone Duo po rozłożeniu. Zdjęcie: Apple.

Dwa ekrany iPhone’a Duo: czym się różnią

FeatureExternal ScreenInternal Screen
Diagonal5.4 inches7.6 inches
SurfaceCeramic Shield 2polymer with scratch-resistant coating, matte finish
Does it bend❌✅
Front Camera12 MP Center StageFaceTime camera under the screen
What to applytempered glass, hybrid or filmnothing

Data according to iPhone Duo specifications and Apple press release.

In Polish search results, you can find information that Ceramic Shield 2 protects the internal screen. This is not true. Apple attributes Ceramic Shield 2 to the external screen.

Internal Screen: Why Not to Apply Anything

The internal screen is protected by a layer of special polymer with a scratch-resistant coating. According to Apple, this polymer is up to 40% stiffer than other materials used in the industry, and the matte nanostructured finish reduces glare and the visibility of the crease line.

Apple does not explicitly state on its pages not to apply a film to this screen. We advise against it for three reasons:

  • The film will cover the matte finish. You will lose what you are paying for: less glare and a matte surface.
  • The screen bends. Rigid glass will break, and a regular film may lift at the crease line.
  • There is a FaceTime camera under the screen. The film may degrade the image quality from this camera.

Do not remove the factory layer. It is not a transport film, but part of the screen. Apple Vice President Kate Bergeron stated that the layer can be removed and replaced with a new one. According to media reports, this is done by the service, not the user.

We found films for the internal screen only from lesser-known brands in foreign online stores. They are not available from Spigen, ZAGG, PanzerGlass, 3mk, and Bizon.

External screen: which glass to choose

The external screen has Ceramic Shield 2, which Apple claims is three times more scratch-resistant than the previous generation. Nevertheless, it is the one that most often ends up on the table, keys, and sand in the pocket, so glass makes sense here. All the shields below are cut for a 5.4-inch screen.

Spigen Glas.tR EZ Fit Pro HD: the easiest installation

Spigen Glas.tR EZ Fit Pro HD with installation frame.

Spigen Glas.tR EZ Fit Pro HD comes with a EZ Fit installation frame. You place it on the folded phone, press down, and the glass finds its place by itself. With the rounded edges of the Duo, this is the simplest way to avoid misaligning the glass.

There is also a version with two glasses. According to Spigen, the glass fits the cases of this brand, except for the Air Skin Aramid model.

ZAGG InvisibleShield Glass XTR6: premium glass

ZAGG InvisibleShield Glass XTR6 for the external screen.

ZAGG InvisibleShield Glass XTR6 has the addition «external» in its name, just like the privatizing glass of this brand. It is a good option if you prefer glass from a brand specializing in screen protection.

Bizon Glass Clear and Glass Edge: two glasses in a set

Bizon Glass Clear Duo: dwa szkła w zestawie.

Polska marka Bizon ma dwie podstawowe wersje szkła hartowanego, obie także w zestawach po dwie sztuki:

Drugie szkło w zestawie przydaje się, gdy pierwsze się porysuje albo nie wyjdzie montaż.

3mk HardGlass i HardGlass Max

Po lewej 3mk HardGlass, po prawej HardGlass Max z ramką.

Dwa szkła hartowane polskiej marki 3mk: HardGlass bez ramki i HardGlass Max z czarną ramką na cały ekran. Oba mają grubość 0,3 mm.

Bizon Hybrid Mule: elastyczne zamiast szkła

Bizon Hybrid Mule: hybrid glass.

Bizon Hybrid Mule is hybrid glass, meaning it’s flexible. It is thinner and easier to install than tempered glass. A good choice if tempered glass seems too thick for you.

Matte film for the external screen

The internal screen is matte, while the external one is glossy. If you prefer both to look and function similarly, apply a matte film to the external one. It leaves fewer fingerprints and reflects less light.

Bizon Film Matte: matte film for the external screen.

Bizon Film Matte has a thickness of 0.12 mm. The matte film slightly reduces image sharpness, but with a 5.4-inch screen used for quick tasks, this usually doesn’t matter.

Privacy Glass: Touch ID is not an issue

Privacy glass darkens the screen for people viewing from the side. In many phones, it makes it difficult to unlock with a finger using the in-screen reader. In the Duo this problem does not exist, because the Touch ID reader is in the side button. The Duo also does not have Face ID.

Spigen Glas.tR EZ Fit Pro Privacy with mounting frame.

Po lewej Bizon Glass Edge Shadow, po prawej matowy Bizon Hybrid Shadow.

Szkła prywatyzujące w sklepie:

Glass for the camera: is it necessary

On the back, the Duo has two 48 MP cameras, and Apple protects the lenses with sapphire glass, which is very resistant to scratches. Therefore, a camera cover is not necessary. It is useful when the phone often lands on its back on a countertop or if you want to protect the entire camera island from cracking.

Spigen Optik Pro Glas.tR EZ Fit in Night Sky color.

Bizon Glass Lens: a plate for the entire camera island.

You have two types of covers to choose from:

Before purchasing the full island cover, check if it fits under your case.

Set: screen and back film

Bizon Film Hydrogel Pack: film for the external screen and the back.

If you carry the Duo without a case, the Bizon Film Hydrogel Pack will come in handy: two hydrogel films, for the external screen and for the back. According to the manufacturer, minor scratches on the film smooth out over time.

[hs_products ids=»147700,147464,148629,149674,148586,148591,147702,150126″ cols=»4″]

You can find the full offer in the categories tempered glass for iPhone Duo and films for iPhone Duo screen.

How to apply glass on iPhone Duo

  1. Fold the phone and place it screen-side up on a flat table.
  2. Clean the screen with the cloth from the set, and collect any remaining dust with the dust-removal sticker.
  3. If you have a mounting frame, like in Spigen glasses, put it on the phone and only then apply the glass.
  4. Press the glass from the inside to push out air bubbles.
  5. Do not press on the hinge when pressing the glass.

Glass and case: what to watch out for

The glass with a black frame covers the entire screen but may interfere with a case that wraps around the edges of the outer screen. Frame-less glass, covering only the flat part, usually works with most cases. We compared cases for the Duo in the ranking of iPhone Duo cases.

If you are just gathering accessories, check out the text about the charger for iPhone Duo and our guide on the price and specifications of iPhone Duo.

Summary: glass and film for iPhone Duo

  • 5.4-inch outer screen: tempered glass, hybrid or film. The easiest installation is the Spigen with a frame.
  • 7.6-inch inner screen: do not stick anything and do not remove the factory layer.
  • Privacy glass: privacy glasses do not interfere with unlocking because Touch ID is in the button.
  • Camera cover: the lenses have sapphire, the cover is optional.

FAQ

Can you stick glass on the inner screen of the iPhone Duo? No. The inner screen bends, so rigid glass will break. It also has a factory protective layer with a matte finish that the film would cover. Glass is only applied to the outer screen.

Should I remove the film from the inner screen of the iPhone Duo? No. It is not a transport film, but a factory protective layer that is part of the screen. According to Apple’s vice president, it can be replaced with a new one, and according to media reports, the service does it.

Which glass is easiest to apply to the iPhone Duo? Spigen Glas.tR EZ Fit Pro, because it comes with a mounting frame. You place it on the folded phone, and the glass aligns itself.

Does privacy glass block Touch ID on the iPhone Duo? No. The Touch ID sensor is in the side button, not on the screen, so privacy glass does not affect it.

Is Ceramic Shield 2 enough without glass? Ceramic Shield 2 on the outer screen is, according to Apple, three times more scratch-resistant than the previous generation. Protective glass still makes sense because it is cheaper to replace scratched glass than the screen.

Do I need glass for the camera on the iPhone Duo? It is not necessary because Apple protects the lenses with sapphire glass. A cover is useful if you want to protect the entire camera island from breaking.

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