Original source of OOS 11.2.3.3.LE5ACB MSM tool: https://forum.xda-developers.com/t/op9pro-repository-of-msm-unbrick-tools-tmo-eu-glo-in.4272549/

Original source of OOS 11.2.6.6.LE5ACB MSM tool: https://forum.xda-developers.com/t/updated-t-mobile-msm-tool-oos11-2-6-6.4340337/