Samsung Galaxy S3 helped Samsung rise to a dominating position in the smartphone market, taking the largest piece of market share. Before its release, the Galaxy S3 already had 9 million orders. Finally, after it was available in nearly 150 countries, the handset had gained a reputation and sold 50 million units as of 14 March, 2013.

For most Samsung Galaxy S3 models, their international versions are different from the US variants. For example, the International version Galaxy S3 I9300 has no 4G Network service but features an FM radio, while the AT&T SGH-I747 includes the 4G Network but does not have an FM radio. The Galaxy S3 is available in many different models: GT-I9300, I9305, SGH-T999, SGH-I747, SCH-R530, SCH-I535, and SPH-L710. You may not even know which one you have. For example:

GT-I9305 for International LTE SGH-T999 for T-Mobile SGH-I747 for AT&T SCH-R530 for Cricket Wireless, U.S. Cellular, MetroPCS SCH-I535 for Verizon SPH-L710 for Sprint, Boost Mobile, Virgin Mobile

Samsung Galaxy Tab 3 7.0 Android tablet. Announced Apr 2013. Features 7.0″ TFT display, Marvell PXA986 chipset, 3.15 MP primary camera, 1.3 MP front camera, 4000 mAh battery, 16 GB storage, 1000.

Some components of different GS3 models appear very similar, but will not fit or function when put in the wrong model. It is necessary to know your exact Galaxy S3 model number when you need to flash ROMs, or when you fix your broken S3 (Click to learn How to Teardown Galaxy S3). Therefore, you need to identify which model you have. Here are five ways to find out.

• Find Your Galaxy S3 Model Number in the System

Navigate to Setting> About device> Model Number, then you will find the Galaxy Note 3 model number on the screen.

• Check Samsung Galaxy S3 Model From Battery Door

Some carriers' logos are printed on the battery door, which will make it easier for users to tell their versions. Such as this Verizon SCH-I535, AT&T SGH-I747 and Sprint SPH-L710 model for Samsung Galaxy S3.

If it is international version, only the Samsung logo will be printed, such as this GT-I9300 battery door.

• Know the Galaxy S3 Model Name Behind the Battery

Another solution is looking behind the battery. Many manufacturers put the Galaxy S3 model along with other information in this area.

• Find Galaxy S3 Model Name Under the Housing

Galaxy Tab 3 Roms

The GS3 model’s number is marked behind the housing. Below you can see the slight variations in design between the two versions: T-Mobile SGH-T999 & AT&T SGH-I747 and Cricket Wireless, U.S. Cellular, MetroPCS SCH-R530 & Verizon SCH-I535

• Distinguish Galaxy S3 Models Under the Rear Housing

The rear housings on different Samsung Galaxy S3 models also have different contacts at the bottom. You can compare the contacts on your S3 model with those in the pictures below to identify your model.

From the above-mentioned methods distinguishing Samsung Galaxy S3 model name, you can find which Galaxy S3 model you have, and buy suitable Roms or Galaxy S3 replacement parts. Also you can check the table below to identify the Galaxy S3 model name. Find the Samsung Galaxy S3 model number you have with the following table

Galaxy Tab 3 Serial Number

Table Source: Wikipedia