Earlier this month Samsung started rolling out the Android 4.3 (Jelly Bean) update for the Galaxy S3, directly from Android 4.1.2, skipping the Android 4.2 (Jelly Bean) update. Few week after the roll out, Samsung has temporarily suspended the roll out globally to investigate software issues, reports SamMobile. This update bring Galaxy Gear support, improved Samsung Keyboard, new GPU drivers, New S-Voice (from Galaxy S4) and lots. According to the report Samsung would also introduce KNOX security feature for the phone, when they resumes the roll out.
Major issues faced by the the users include, Wake up lag, Random Freezing, Huge battery drain, Bluetooth Audio issues during playback in car, Stuttering music playback with stock Samsung music app, Device freezes as soon a call is received (Black screen issue), Poor RAM management, Wi-Fi issues and more.
In a statement to SamMobile, Samsung Mobile UK said
As we are currently investigating the reported issues with Galaxy S3 4.3 Jelly Bean update, the upgrading service has been temporarily suspended. We are committed to providing customers with the best possible mobile experience, and will ensure to resume the upgrading service at the earliest possibility.
The Android 4.3 update (I9300XXUGMG9) has been pulled from FOTA and Samsung Kies. It is not clear when Samsung plans to continue the roll out.