No. Before starting the flashing process I folowed the documention from Jolla inklude the install of Sony driver.Checked device manager after volume up and connect USB cable to phone.All looked perfect. When i started flashing and the phoe rebooted into fastbootd (not documented) i realiced a new devic with yelow excamation mark was detected. Earlier flash attemt i did notsee this. I clicked this unknown device and upgraded withi the same Sony driver.Then the flashing process finished OK.
God luck. I’m happy to have Sailfishos on my 2 year old Xperia waiting for sailfishos. My Jolla C is wery slow and has bad battery life.
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