Some users have success using the SD Memory Card Formatter from the SD Association , which is more robust than standard Windows formatting tools. However, if the card is fake, it will likely return to its small true capacity.
This is a hallmark sign of a "fake" SD card. These cards are programmed to report a high capacity (e.g., 128 GB) but actually contain much smaller flash chips (e.g., 2 GB). Once the real storage is exceeded, the controller crashes, and the uupd.bin file appears.
If you are looking for the best card to avoid these errors, prioritize these specifications:
Based on current technical discussions and best practices for managing specific SD card files like uupd.bin ,
🛠️ Managing SD Card Storage: What is uupd.bin and How to Handle It?