: If the error pops up, close the error window and immediately click the Download button again. Sometimes a second attempt right after the initial handshake failure will succeed. Hardware Check :

There is a unique adrenaline in this process. You watch a progress bar creep across a computer screen, knowing that in the next sixty seconds, your phone will either spring back to life with a "Success" green circle or become a permanent paperweight. It is a modern form of alchemy: trying to turn a "bricked" piece of plastic and silicon back into a window to the world. Beyond the Software

Follow these troubleshooting stages in sequence to isolate and correct the issue.