After soldering, check whether the antenna is aligned with the motherboard pad, and whether the soldering is defective in appearance, such as false soldering, short circuit, tinning, and tinning.
After welding to check whether the antenna is aligned with the motherboard pad, welding whether there is virtual welding, short circuit, tin, latte and other appearance is not good.
After welding, check whether the antenna is aligned with the bonding pad of the main board, and whether there is poor appearance of solder joint, short circuit, overlap tin and solder drawing.<br>