Samsung-Galaxy-S4_S_PenThe Samsung Galaxy S4 is almost the same size and wight as the Galaxy S3, but it has a small difference: it is thinner. However, the battery capacity of the new model increased about 5 times which is a very good thing for its users.The battery is designed for 4 Krait 300 cores and a bigger screen than the old model. The new screen has a double number of pixels than the old one. There has been made a comparison between 2012 and 2013 models which uses I9505.Samsung Galaxy S4 beats Galaxy S3 at the call test which is the first made. The battery capacity of the new model increased with more than 3 and a half hours. However, Galaxy S4 was beaten by Sony Xperia Z with 2 hours more.The second test, web browsing test, was a real success for Galaxy S4 which has survived more than Galaxy S3 with more than two hours. The HTC One survived one more hour, probably due to its LCD which is smaller than than the screen of Galaxy S4.AMOLED screens have very good result at video playback tests, but Galaxy S4 isn’t far better than the galaxy S3. However, it is offering very nice colors and contrasts and its score of over 10 hours it is very good.The Samsung Galaxy S4 has a very good endurance rating which rises up to 63 hours due to a very efficient standby and very good performances in the individual categories. The battery will last for a long time is you do a hour of calling, web browsing and watching videos every day.With all those tests, Galaxy S4 is a real success if we think about its battery lifetime. No matter of your personal usage and what you use the phone for, the new model of Samsung is far better than Galaxy S3.There are some very important accessories that are manufacturing for Samsung, such as a special cover which will allow you to charge you phone without using your charger. Also, you can purchase an accessory which will help you to charge a second battery.

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What's my model number?

There are several ways to locate your model number:

Option 1
On your device, go to Settings, then "About device" and scroll down to "Model number"
Option 2
Often times you can view the model number inside the device, by removing the battery
Option 3
Using Samsung's model/serial number location tool

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