Zen Ultrafone 303 QHD KT Cam Stock Firmware Stock ROM Download This Zen Ultrafone 303 QHD (KT-Cam)6627 v07 Firmware, Stock ROM file can be used with any service tools capable of Flashing Stock ROM file on Zen Android devices. Stock firmware are mostly needed to either upgrade your Zen Ultrafone 303 QHD (KT-Cam), downgrade it or, to simply flash the phone to correct certain software issues or malfunctions on the phone. Here on this page I have contained the download link for the complete Zen Ultrafone 303 QHD (KT-Cam), Stock ROM file which can be used to flash factory OS back to your Zen Ultrafone 303 QHD (KT-Cam). How to Download Stock Firmware and Flash Zen Ultrafone 303 QHD (KT-Cam) with the Stock ROM 1. Download SP Flash Tool from here and install it on your PC. If you dont have MTK Android drivers installed on your PC yet, you must install it too. Download VCOM Drivers here 2. Download your Zen Ultrafone 303 QHD (KT-Cam) firmware, Stock ROM File from here. 3. Open the SP Flash Too...