Developer HABIB (aka smhabib) has made a breakthrough in regards to Q/A Flag support on 4.XX CFW. Now thanks to the developer's efforts user's can now toggle and use the feature on 4.xx CFW. HABIB has shared the source code with a standalone package, then also updated HABIB Toolbox to add support for the new Toogle QA and plus some other features as seen below in the information provided: