
Take a Backup: If you are going to flash or install the above Firmware on the Vivo Y21L device, then take a backup of everything because your data will be deleted or removed post flashing or installing the firmware. Qcom Phone Downloader Tool: If you wish to download the latest version of Qcom Phone Downloader, then head over to Qcom Phone Downloader page. Flash Tool: If you wish to download the latest version of QFIL Flash Tool, then head over to QFIL Flash Tool page.
