Most "DA 100%" hangs are due to physical connection drops or improper boot sequences:
Sometimes the simplest fixes work when data transfer is interrupted: sp flash tool stuck at download da 100
on the back of the PC (motherboard) rather than the front case ports. Shorten File Paths: Move the SP Flash Tool folder and your ROM folder to the root of your drive ) to avoid long path errors. ⚠️ Important Precautions SP Flash Tool Error Solutions Guide | PDF - Scribd Most "DA 100%" hangs are due to physical