Confirmed poisoning
After the poisoning is confirmed, connect the mobile phone to the computer with a data cable, or insert the memory card into the card reader and then insert it into the computer for antivirus.
Mobile phone antivirus software
Or use mobile phone traffic to download a mobile phone antivirus software suitable for your model online and install it on your mobile phone for antivirus.
Formatted memory card
Format the memory card on your phone.
Buy a new memory card
If you really can't, just buy a memory card. The price on the market is not expensive either. 1G 60 yuan at most!