If bubbles are generated due to operational errors, you can gently squeeze the adhesive with your fingers to expel the bubbles. For detailed instructions, please scan the code to view the instructional video.
If the uneven flow of adhesive is caused by an uneven surface, you can lift the
phone slightly by hand to control the direction of glue flow and spread it all over. Details can be viewed by scanning the code for instructional videos.
First, open the fixture and check whether the cotton strips around the upper cover of the fixture are installed correctly. If the strips have been installed but are loose, please press the cotton strips by hand to ensure they are firmly attached.
Before fitting the nest, the used cotton strips should be removed, and the fixture should be wiped around with a cleaning tool. Then, insert new strips into all four sides of the upper cover and check for firm adhesion.