For the best possible official experience, always aim for the builds with the highest changelist numbers, such as I9300XXUGOC1 or I9300XXUGNH4 .

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.

This is a soft bootloop. Pull the battery out to turn the phone off. Hold Volume Up + Home + Power to enter Recovery Mode. Use the volume keys to select Wipe Data / Factory Reset , confirm it, and then select Reboot System Now .

Click the button at the bottom of Odin. The progress bar will fill up as the system partitions are written over to your device.

Change your USB cable, switch to a different USB port on your PC (preferably a rear USB 2.0 port instead of USB 3.0), or reinstall the Samsung USB drivers.

When searching for the best download link, safety is paramount. Avoid random file-hosting sites. Instead, use these two trusted sources:

: If the phone gets stuck on the Samsung logo after flashing, boot into Recovery Mode (Volume Up + Home + Power) and select "Wipe data/factory reset" .

A custom recovery, such as TWRP (Team Win Recovery Project), is a piece of software that lets you "flash," or install, unofficial system updates, often called custom ROMs. For instance, well-regarded ROMs like "Resurrection Remix" (mentioned on XDA developers) brought the features of newer Android versions to the device, often with impressive speed and customization options. These ROMs breathe new life into the aging hardware, offering features and security patches far beyond 2013's Jelly Bean.

The download file is corrupted. Download the firmware package again from a different source.

Ensure that only and F. Reset Time are checked in the Odin options tab. Do not check Re-Partition. Click the Start button.

The official Android 4.3 Jelly Bean firmware for the Samsung Galaxy S3 (GT-I9300) Go to product viewer dialog for this item.

Follow these instructions carefully to flash the Android 4.3 official firmware onto your GT-I9300: Step 1: Extract the Files