To solve the Raspberry Pi Over Heating problem you can get These heat sinks that are designed to cool down the board to make your Raspberry Pi operate safely and reduce hardware failure risk due to overheating. They are easy to use: simply, peel the adhesive off and stick onto your board.
Note: This kit will work just fine on the Raspberry Pi 3B+ and 4.
Each heat sink will come with some adhesive, simply peel back the tape on the flat side of the heat sink and apply it to the Raspberry Pi ICs.
- One set of Aluminum Heat Sinks for Raspberry Pi 4 3PCs