Original source of OOS 11.2.4.4.LE25AA MSM tool: https://forum.xda-developers.com/t/global-oneplus-9-msm-tool.4284779/
Original source of OOS 11.2.4.4.LE25DA MSM tool: https://forum.xda-developers.com/t/oneplus-9-oxygen-os-india-msmdownloadtool.4270587/