Here's the A52s WiFi/BT troubleshooting flowchart that may help to find out if you need to replace the WiFi/BT IC or not. Replacing the IC may not be necessary if another component in the WiFi/BT circuit is the problem and not the main IC
Also images of where the components mentioned in the flowchart are located on the board. They are not on a separate board. Check all the components mentioned in the flowchart to see if they are noticeably damaged or not. If they appear OK then electrical testing may be involved.
↑↑ zoomed in image of board below to show component ID ↑↑
image of entire board on which the WiFi BT circuit is located
(click on images)
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