: Restores original IMEI numbers if they become "Null" or corrupted after a firmware flash.
: For general user data (photos, contacts, apps) rather than system partitions, users should use Xiaomi Cloud or Google Backup . Warning on Usage Download REDMД° NOTE 11S NVDATA BACKUP zip
: Detailed instructions on how to use these backups are available via the Redmi Note 11S IMEI & NV Data Repair Guide on Scribd . : Restores original IMEI numbers if they become