Random blogspot sites with “click here to download” buttons and fake virus scans. Never run a suspicious .exe claiming to be a flash file—true RM-970 firmwares are .dcp and .mcusw files, not standalone executables.
on your PC and ensure your phone's battery is at least 50% charged. Obtain the firmware package from a reputable source like Firmware File Firmware Drive Loading Files: Open your flashing tool (e.g., Nokia BEST), select the nokia rm 970 flash file