The reasons that Micro sd card not formatted error occur are very complex, maybe the reading part or head of the micro sd card has been damaged, so it's not accessible, or you formatted sd card accidentally or virus has attacked your Micro sd card, it doesn't work. SD, CF or Micro sd card not formatted is a common problem that we may meet with mobile phones or cameras.
My sd card says it needs to be formatted but I have pictures on it, how to avoid formatting sd card? Or how do I repair a memory card that cannot be formatted ?
Why my cellphone micro sd shows blank sd card Needs formatting?