Download sony xperia j st26i fastboot driver and adb driver from the download section and extract them on pc open the extracted folder and right click on 15 seconds adb installerexe file and run as administrator a command window should open confirming whether you want to install adb and fastboot. Download driver sony st26i. Phone driver for xperia j (st26i and st26a) (microsoft windows™ xp 32bit/64bit and later) use drivers for debugging, or when erased from phone.
download driver sony st26i