Do not flash efs-fix-regalstreak.tar.md5 unless you fully accept losing your original IMEI permanently. Seek an EFS backup first.
: Dialing *#06# returns no number or a generic placeholder (like 0049...). efs-fix-regalstreak.tar.md5
The file, typically hosted on Android File Host or Google Drive . Installation Steps: Do not flash efs-fix-regalstreak