[Q] Software status modified ?

My phones' bootloader report " software status : modified " is there any way to revert it back to OFFFICAL ? Not rooted, no custom recovery, running bone stock motorola firmware flashed with RSD Lite but still it shows as " modified ". My phone was never able to take an OTA as well. Bootloader unlocked, puerto rico xt1225 flashed to brazil firmware. Any help to get this status into OFFICAL again will be appriciated.

ps : flashed puerto rico 5.0.2 firmware with rsd, wiped cache and factory resetted but still it shows " modified " grrr.