Why don't you just flash with:
W595_R3DA026_MAIN_GENERIC_LT_RED52
W595_R3DA026_FS_NORDIC_RED52
Linda_i_1214-6022_R1A_Netcom_Norway, following this tutorial
A2-DB3150 Flashing - Top Sony Forums ?
Later you can use SEUS and you'll get the latest firmware(R3A037).