What details should be paid attention to when applying the white copper shielding cover of the mobile phone on the motherboard [hardware]

The mobile phone uses different solutions, and the number of nickel silver shielding covers required on the motherboard is also different. Qun Ge used to be a Qualcomm solution customer and used 12 shields on one motherboard. So what is the difference in the function of so many shields? What details should be paid attention to? The features of each phone are slightly different, and the design is completely different. Most motherboards that use nickel silver shielding cover have PA, BB, WIFI, RF, GPS and other functions that need to be shielded. Generally, you need to pay attention to the shielding effect, whether you need to open the heat dissipation holes, the size and number of the heat dissipation holes, and whether it is a single-piece shielding cover, or it is easy to disassemble and install a two-piece shielding frame and a shielding cover. Understand these needs and details, and then design the drawings of each nickel silver shielding cover. If you have any questions about the design, you are welcome to consult the group: 24H is waiting for your call.