Cant find sd card on mobile

[Hoda__]

my mobile samsung j7 cant read sd card after i charge it with not an original charger i think i tried it on different mobile but its cant read too
!!!!

 

[hang-the-9]

You "think" you tried it or you did try it? If neither device can read it, the card is bad. You can try in a computer with a card reader also to verify, if that also can't see it, replace the card.