: If the device drops out of Flashmode after a few seconds, it is often due to a faulty USB cable or a USB 3.0 port incompatibility. Try a USB 2.0 port .
Select and "Fastboot Drivers" from the list. draiver dlia s1boot download skachat
Navigate to the folder where you installed Flashtool (usually C:\Flashtool\drivers ). Run Flashtool-drivers.exe . : If the device drops out of Flashmode
Installing the official Sony Xperia Companion often bundles these drivers automatically, though for legacy phones, the Flashtool method is more reliable. Common Troubleshooting though for legacy phones
Once downloaded, go to , right-click the "S1Boot" entry, select "Update Driver," and point the wizard to the folder containing the .inf files. Sony PC Companion :
You can find standalone S1Boot driver packages on developer forums like XDA Developers.