GT-I9300 2 countries Android 4.1.2 (Jelly Bean)

Samsung Galaxy S Ⅲ I9300UBEMH3 Firmware

Name: Samsung Galaxy S Ⅲ (GT-I9300)
Brand: Samsung
Availability: InStock

Samsung Galaxy S Ⅲ I9300UBEMH3 is an Android 4.1.2 (Jelly Bean) firmware for Ecuador (ECO), Puerto Rico (PCT). It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build I9300UBEMH2 https://samfirm.shop/build/I9300UBEMH2: Android updated from Jelly(Android Bean) to Android 4.1.2 (Jelly Bean). A newer build for GT-I9300 is available: I9300XXEMU8 https://samfirm.shop/build/I9300XXEMU8.

9.4/10 (472)8,849 times

Android 4.1.2 (Jelly Bean)

OS Version

2013-08-20

Build Date

n/a

Security patch

Countries

CSC codes

B (11)

Bootloader binary

Bootloader binary B (11). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy S Ⅲ use bootloader binary X (33) (latest: I9300XXEMU8). If your device already runs binary X (33), this build cannot be flashed.

All regional downloads

Pick your region (CSC) to download the matching firmware package.

Will it work on my device?

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.

Not sure which one to download?

Your CSC is in Settings → About phone (About tablet) → Software information, or dial *#1234#. The CSC sets your region's features and network bands. Download the firmware for your country.

Model	Region	CSC Version	MODEM/CP Version	Size	File name	Download
GT-I9300	ECO Ecuador	I9300UBEMH1	I9300ECOEMH1	—	—
GT-I9300	PCT Puerto Rico	I9300UBEMH1	I9300UWAEMH1	—	—

Device specifications

Launched withAndroid 4.0
Display diagonal12.2 cm (4.8")
Display resolution720 x 1280 pixels
Display typeAMOLED
Processor frequency1.4 GHz
Rear camera resolution8 MP
Rear camera typeSingle camera
SIM cardsSingle SIM
Battery capacity2100 mAh
Weight133 g

How to flash I9300UBEMH3

Install Samsung USB Drivers:Download Official Drivers
Download Odin Flash Tool:

I9300UBEMH3 has bootloader binary B (11). Your device must run binary B (11) or lower: it is the 5th character from the end of your current build number.
CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
The Download Mode key combo depends on the model: see all combos.

Full flashing guide

Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.

Frequently Asked Questions

I9300UBEMH3 is Android 4.1.2 (Jelly Bean) firmware for Samsung Galaxy S Ⅲ, released for Ecuador (ECO), Puerto Rico (PCT). Samsung built it on 2013-08-20.

No. A newer build for GT-I9300 is available: I9300XXEMU8. Install it instead of I9300UBEMH3 unless you need this exact version. The previous build was I9300UBEMH2.

Download the package for your region (CSC) and unzip it. In Odin, load each file into the slot with the same name: BL, AP, CP (if the package has one) and CSC, or HOME_CSC to keep your data. Odin checks the built-in checksum of every .tar.md5 file before flashing. The Samsung Galaxy S Ⅲ must be on bootloader binary B (11) or lower.

This build uses bootloader binary B (11). It can be flashed on a Samsung Galaxy S Ⅲ running binary B (11) or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 7 other builds of this model use the same binary, so you can switch between them in both directions.