[Xperia SP General] mrjraider:
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To prevent more users from paying way to much for a SIM card (sorry [MENTION=5091745]noahvt[/MENTION] :p ) I've created this thread to give some small intel about the used frequencies of the Sony Xperia SP and the use of them on your vacation.

First some small details about the case:

When you use your device as normal it is connected to your own operator. For example; I own a Xperia SP Int. LTE version and my operator is VodafoneNL. I use it normally and I have (almost) alway proper connection.

When (and this means when I win the lottery) I go to the USA I am unable to use my phone with full LTE and 3G. Reason for this is the frequencies from the American operators.

Some intel about our Sony Xperia SP.

We all know its hardware but do you know which frequecy bands it supports?

C5302 - Non LTE Variant

2G:

850

900

1800

1900

3G

850

900

1700

1900

2100

C5303 - International LTE Variant

2G

850

900

1800

1900

3G

850

900

2100

LTE

800

850

900

1800

2100

2600

C5306 - USA LTE Variant

2G

850

900

1800

1900

3G

850

900

1900

2100

LTE

850

1700

1900

2100

Most common question:

Q: How can I use my phone on my vacation then?

A: Depends on your location*

* see Intel about DataRoaming

Data Roaming:

Data Roaming is uses by your phone to sent and recieve data from unsupported operators. This is mostly used when your own operator has no coverage in a certain country or location and you need to use your phone.

Data Roaming does cost extra money! So you have been warned!

Roaming only works when the both operators (your own and the one in the visited country) got a Roaming Agreement. If this is not the case you cannot use data roaming!

How it works:

When the phone enters another operator coverage it will be noticed and the operator will try to locate the orignal operator to see if there is an Data Roaming Agreement. If this is not the case the phone gets denied on the network. If the two operators got an agreement step 2:

The other operator tries to get in contact with the original operator and requests intel about the phone. The original operator gives this intel; IMSI number, SIM Number and the services it supports.

When this intel has been delived the phone gets a temporay phone number with the "roaming operator". The orignal operator gives the "roaming operator" one intel how to connect to the original network.

(Ma English is poor sorry 'bout that..)

When your operator has no Data Roaming agreement with the other operator you have two choices:

Buy a temporary SIM while you enjoy you vacation

Turn the phone off and don't use it during the vacation

When you go for option 1. Remember the supported frequency bands at the beginning of this post.

The C5303 does not support certain bands and the same is for the C5302 and C5306.

Some support pages for you:

I need a bit more pages! Please sent me the one from your operator so that I can add it!

T-Mobile USA

3 Biggest Dutch Operators (on one page)

I am still working on this thread but for now you have some small intel about the use of the other operators!

Please be a smart user and ask your own operator (or store where you've got your phone) for information about the supported bands and operators in other countries​