Read again this:
You forget to upload CDA and SEUS "see" your old CDA from "3" and after update you have again "3" software...Download A2uploader from here: a2uploader and CID53? - Top Sony Forums and use these files:
C902_R3EA038_MAIN_GENERIC_AS_RED52
C902_R3EA038_FS_NORDIC_RED52
C902_Bond_1217-5051_R1A_GENERIC_NORDIC
See screenshot:
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