我做过的几个项目ESD解决问题的方法

我做过的几个项目ESD解决问题的方法
Case 1．S888－/S888 ESD problem improvement
For S888- V00, there are some ESD problems as follow,
1. The mobile will lose communication and search network again when
discharging to arrow key and data key at air>6KV in communication state,
2. The mobile will lose communication and search network again when
discharging to side key and camera decoration ring at air>5KV in
communication state with mobile downwards,
3. The mobile will power off or lost network when releasing static from
the headset speaker at air >5KV in mobile with headset state.
4. The PA will destroy when discharging to the camera decoration ring at
air >5KV.

For these problems, the solutions are as follow,
Problem 1 improvement:
Make the metal dome and MMI GND well connected with two p