This error has happened to me too. Has anyone got a definitive answer as to whether this is a phone ("Charge") issue? My memory card just stopped working. When I pull it, use an adapter, and stick it into my laptop I can read it fine. I've backed up everything on it. However, if I put it back in it doesn't work. I've pulled the battery. It still doesn't work. I reset my device back to factory settings ("Grrr.. because I lost a lot of apps and customizations"), and it still doesn't recognize the card. I went out and bought a brand new sd card (SanDisk Ultra 32 GB MicroSDHC Class 10 UHS-1) and it still doesn't recognize the new one.
Does anyone have any other options instead of having to buy a new phone? I like the Samsung Charge, but so many of the apps I use weekly, if not daily, require a memory card even to work.
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