Adaptation Instructions
Suitable for mainstream Android straight-screen devices (universal cropping type). For some ultra-narrow bezel or irregular-shaped perforated models, it is recommended to consult customer service first to confirm compatibility.
Key points for selection
Most Android screens emit linearly polarized light. The "bright → dark → black" change under the test card is more obvious than that of the original Apple screen (with a built-in circular polarization layer) - this is the most intuitive category of models for comparing and verifying the circular polarization effect.
Data Overview
| Series | Guanfudun （2.5D） |
| Price | ¥129 |
| Light transmittance | 96.5% (SGS measured · SZIN2606001469PL01_CN) |
| Haze | 0.4% (Measured by SGS) |
| Drop ball impact | 64g steel ball 1.2m with no visible cracks (measured by SGS) |
| Reflectance | ≤ 0.5% (self-test by brand laboratory) |
Q&A
How to check compatibility for the Android universal version?
Check the model and the opening position against the product page compatibility list. Mainstream straight-screen models usually cover. For special openings (such as off-center cameras under the screen, etc.), please consult customer service first. Putting this conclusion back into the context of "Guanfudun Android Universal Straight Screen Model Selection and Usage Guide", the order of judgment remains unchanged.
Why is the detection card phenomenon more obvious on Android phones?
Most Android original screens do not have a circular polarization layer. The contrast of "linear polarization → circular polarization" before and after applying the film is more intense, and the light and dark differences of the rotating detection card are more intuitive. As for the "Guanfudun Android Universal Straight Screen Model Selection and Usage Guide", the method for checking the aperture is the same as mentioned above.
Will the fingerprint unlocking of an Android phone be affected after applying a film?
Guanfudun is a thin substrate, and mainstream under-display fingerprint models can recognize it normally. For some ultra-sensitive models, if the recognition is abnormal, simply re-enter the fingerprint. For such questions related to "Guanfudun Android Universal Straight Screen Model Selection and Usage Guide", the judgment criterion is also "verifiable".
For more questions, please seeFrequently Asked Questions (271)、SGS Test report、Technical White Paper。
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