how would i go back to 5.1.1 version
i have lalipop 5.1.1 but i update 6.0 then so many app could not install .so how would i go back to 5.1.1 version.
i have lalipop 5.1.1 but i update 6.0 then so many app could not install .so how would i go back to 5.1.1 version.