Exclamation S5 G900w8 imei certi fail

Hay guys i got my samsung S5 G900W8 imei repaired with SPT BOX..
- reset EFS with N900F
- repaired imei with super imei with N900F aswell

imei restored successfully!! however... IMEI CERTI shows FAIL in *#0011# and im only able to get emergency signal right now... which is the same issue with N900W8 4.4.2 that can be fixed with reflashing an older modem...

anyone has a clue what modem i can flash for the G900W8 to get IMEI CERTI PASS???