There are many ways to remove the access card chip:
< br >
1, with tetrahydrofuran solution, go to the chemical store to buy, but buy 5ml-10ml is enough.
< br >
2, with a lighter, bake on the back, the chip can be easily taken off completely.
< br >
3. Open the glue access card from the side with a wallpaper knife or something hard.
< br >
4. Disassemble violently with pliers, fix both hands, disassemble, and then take out the chip.
The keychain type IC chip can be prised open with a knife. If it is a card-type IC chip, you need to use an organic solvent to dissolve the outside card, so that the chip and antenna inside can be completely removed.