
Samsung Galaxy S 3 LTE
The latest firmware for Samsung Galaxy S 3 LTE (GT-I9305) is I9305XXBMR8 with Jelly(Android Bean), released on September 25, 2013 for 1 region (CSC). Every official firmware build for GT-I9305, newest first: one row per build with all regions (CSC) that received it.
All 53 builds in our database run Android 4.4.4 (Jelly). The newest build, I9305XXBMR8, was released on September 25, 2013. No new build has appeared for 159 months, so regular updates for this model have most likely ended.
Box codes of GT-I9305 for different colors and markets. Firmware is chosen by the model code GT-I9305 and your region (CSC), not by the SKU.
The newest firmware for GT-I9305 runs Android 4.4.4 (Jelly): build I9305XXBMR8, released on September 25, 2013.
The latest build for GT-I9305, I9305XXBMR8, was released on September 25, 2013 (13 years ago).
GT-I9305 has had no new firmware for 159 months, so regular updates have most likely ended.
Yes, all firmware files for GT-I9305 are 100% official, original, and obtained directly from Samsung servers.
To flash GT-I9305, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing GT-I9305.