Use the SD Memory Card Formatter from the SD Association. If the controller is truly failed, this tool will likely return an "End of Life" or "Write Protected" error. Summary Table Capacity = 1.86 GB / 2 GB The card is in "Safe Mode" or is a counterfeit. uupd.bin in root directory A service file generated by a failed internal controller. Card is Read-Only The controller is protecting the chip from further damage.
If your device won't turn on and only shows this file, the custom firmware (CFW) might have crashed or wasn't installed correctly at the factory. Google Groups How to Handle It sd card uupd.bin