Apple's iPhone, which is the most used in the world, is quite high in the marketplace.
That's because of the high quality of the apple phone. So most of us in our country buy Apple IPhone by using someone else's or an out of phone. First of all, you need to know about this before you buy an Apple phone. When it comes to iPhone, Apple uses a few modules for it.
Eg.
iphone 5
A1428
A1429
iphone 5s
A1533
A1453
A1457
A1528
A1530
A1518
The reason is that some of the modules can do this because the frequency in each of the countries is different. They create separate models for each zone. So, some of these models do not promote 3G & 4G to Sri Lanka. (Not all are 2G notebooks, 2G is not used, CDMA iphone is not available) Currently there are 4 iphone models that do not have 3G & 4G not available in Japan.
01) iPhone 5 - A1428
This does not make any Dialog or Mobitel 4G notebook. The reason is that both of them have a 4G signal frequency of 1800Mhz. But this phone has a good chip of 1700Mhz. 2G & 3G works smoothly.
02) iPhone 5c - A1526 - This does not work as early as 4G.
03) iPhone 5s - A1528 - This is not the same 4G work.
04) iPhone 6s plus - A1690
This does not support 3G frequency. It does not work in the airtel, dialog, mobitel, etisalat, hutch. It worked 2G & 4G without any problems. The iPhone's model number can handle the phone behind the phone. But do not forget. The casing can change the model number one. It's easy to do www.imei.info to name this site and hit the real number model. But if you've switched the back cover on the phone, it may be wrong to look at this information. So, the person who had previously been contacted can hear this.
These facts do not apply to other iPhones not mentioned here. And I want to say that this is just one aspect. There are many more points to look at. We will inform you about it in the future too. Look at the Eclaudard Locks article here.
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