1. AC Question's Avatar
    i updated my s3 from 4.1.2 to 4.3 JB. n i used firmware I9300XXUGNA8. how can i change it to official firmware of samsung I9300XXUGND2...??
    08-18-2014 11:07 AM
  2. UJ95x's Avatar
    Is that a newer firmware? If it's older, you won't be able to downgrade it back to that one. You can check for system updates in settings if it's a newer build for your device. All S3s should be on Kit Kat by now.
    08-18-2014 02:08 PM

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