Here is a stock ROM firmware, MTK Backup for Opsson IVO 6600.
With this Opsson IVO 6600 flash file, you can flash stock ROM back to your Opsson IVO 6600 using SP Flash Tool. This is mostly required when you have software issues with your Opsson MTK Android devices, need to revert your Opsson IVO 6600 to factory state or unroot by flash.
Meanwhile, in most cases, flashing stock ROM on Opsson android devices corrects all software errors if you know how to do it.
Below here is the download link for the stock ROM. You may also see the tutorial page on how to flash stock ROM on Opsson and other MTK android devices below.
Opsson IVO 6600 Stock ROM Download Link
Download Opsson IVO 6600 Stock ROM Here
