LT15i blue lights on flash mode instead of green.. need help!

Dear octopus team,



i have here SO-02c.. hang on logo..

customer attempted to debrand its firmware (LT15i)

via pc companion.. but ended up in bootloop..



tried flashing it on octopus suite but handset cant be detected..

holding the back button then insert usb cable brings up blue led on the handset

instead of green..



what i know it blue led is fastboot mode..

and cant seem to set the handset to flashmode..



what can be done to this unit?



need help..



thanks!!

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