Many people are thinking right now to buy a new Galaxy Note 2. That's why I think it's important to know the differences and disadvantages between the N7100 3G and N7105 LTE models.First of all, Galaxy Note 2 N7105 has 4G LTE, this means that it is more future oriented as LTE technology will be more wide-spread in the future. Along with LTE come the other issue: N7105 has a bigger price and shorter battery life.What's the difference in battery life between N7100 3G  and N7105 LTE?Galaxy Note 2 N7100 has the longest battery life there is for a smartphone of this proportions. Meanwhile, the N7105, knowing that it connects to LTE networks will just for this reason last a lot less. But how long? We'll talk about this further on.Apparently you can get around 10 hours of screen-on time on the N7100 with 3G and calls and other usual activities. On the other hand, the N7105 also only with 3G on, still cannot reach that much screen-on time. Usually it lasts around 7,8 hours of screen-on time.If you have 4G network activated you can get around 5h of screen on time, which is nowhere compared to what you can do with the 3G version of the Galaxy Note 2.Notice: This data is only informational and it could not apply to all Galaxy Note 2 models. This is just data gathered from a majority of users. If you get other results with your Galaxy Note 2 it doesn't necessarily mean there's something wrong with it.There are some tricks you can try to increase battery life:
  • You can leave your phone to discharge to complete 0% and then turn it off and leave it over night to perform a complete charge to 100 %. This works for some
  • You can root your Galaxy Note 2 and change some applications that were installed from factory that usually eat up a lot of battery. But notice that you need more research if you want to choose this option. Take a look at the Android How To section to learn more about Galaxy Note 2 rooting and battery life advice.

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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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