Samsung digital camera Digimax V4 presses the shutter, and the screen shows "Memory card is locked". What happened? What should I do? Urgent ~ ~ ~ ~

It is likely that the size of the card matches the card slot.

Stick some transparent glue on the write-protected slider of SD card, thicken it and put it in.

Pay attention to 1. Do not cover the SD card metal pad with adhesive tape.

2. Don't be too thick to make the assembly not smooth.