The main reason why the magnet can be absorbed on the mobile phone is because many parts of our mobile phone are made of iron, copper and these things, so under normal circumstances, if you put your magnet next to your mobile phone, it can be adsorbed on, and our own materials can contain things that are adsorbed with the magnet. So under normal circumstances, it can be adsorbed.
Phone speakers or cases contain iron.
Apple 11 mobile phone, the case has a shielding cover, shielding cover is ferroalloy, put on the magnet will attract it is recommended not to use magnets to attract the mobile phone, the mobile phone is a high-precision electronic product, should be away from the magnet.
The accessory that OPPO mobile phone can absorb iron is the speaker, the speaker component has a magnet, the installation position is close to the back of the phone, so the back of the OPPO mobile phone can absorb iron.
The magnet can attract the mobile phone because the mobile phone case has an iron component, so the magnet can attract the mobile phone