If you experience instability when applying 3M glue, it may be because of the following reasons:
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1. The surface of the mobile phone is not clean: Before applying 3M glue, it is necessary to clean the surface of the mobile phone to avoid dust, grease and other substances affecting the viscosity of the glue.
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2. The surface of the mobile phone is uneven: If the surface of the mobile phone has a bump or depression, it will lead to the 3M adhesive is not firm. It is recommended to check whether the surface of the phone is flat before gluing.
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3. The quality of glue is not good: if the quality of 3M glue used is not good, it will also lead to an unfirm paste. It is recommended to buy products from regular manufacturers.
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If the above methods can not solve the problem, it is recommended to a professional mobile phone repair shop for processing. They can provide more professional advice and services.
Huawei P40 mobile phone case why any glue can not stick, the reasons are as follows:
Silica gel sticky silica gel, because the strength of silica gel is low, so the viscosity of silica gel is not too strong, easy to fall off.
Sticky metal, because the strength of the metal is very high, the stickiness of the sticky metal is very strong, but the operation is very difficult.
Sticky glass, the strength of glass is very high, so the viscosity of sticky glass is very strong, but the operation is very difficult.
Stick to other materials, because the strength of other materials is different, so the viscosity is different.
The surface of the Huawei P40 phone case uses a special coating, which can improve the phone's anti-scratch and anti-fingerprint properties. However, the special nature of this coating also causes the phone case to be difficult to adhere to its surface.
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Due to the strong anti-skid performance of this coating, and the grease and sweat on the surface will adhere to it, so conventional glue or film adhesive may fail. If you need to use a mobile phone case, it is recommended to choose a brand phone case specially designed for Huawei P40 or go to a professional mobile phone repair shop to buy a well-fitting mobile phone case, so as to avoid using an inappropriate mobile phone case to cause damage to the mobile phone.
Regarding this issue, the phone case of Huawei P40 may be made of special materials, possibly to provide better protection and durability. These materials may not be easily bonded to general glue, so it is difficult to paste other items on them. In order to ensure the quality and performance of the phone case, it is recommended to use a phone case specially designed for this model or to be coated or decorated by the method recommended by the manufacturer.