Turn Data Roaming ON on Samsung Galaxy S4

The roaming feature needs to be enabled if you want to use internet based features like web browsing and email while you're outside your country, or outside your network area. This feature is useful when you are on vacation or a business trip, but be warned: data roaming is typically very expensive. Use sparingly and definitely check the rates with your cellphone carrier because data rates are often shockingly expensive. See below on how to enable and disable the roaming features.

Instructions to Enabling or Disabling Roaming

1. 1
   Tap on "Applications" on your phone's menu to open other options.

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2. 2
   Look for "Settings" (the gear icon), and tap it.

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3. 3
   Tap on "Connections" to get to the next page.

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4. 4
   Touch "More networks", then the "Mobile Networks".

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5. 5
   On this section, you'll find your "Data Roaming"

   .

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6. 6
   Tick it to enable the feature, or un-tick it to disable the feature.

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Another Way to Enable and Disable Roaming

1. 1
   Contact the network carrier and request to enable or disable roaming on your phone

   .

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2. 2
   They will send you an automatic authentication to enable or disable the roaming.

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Understanding Roaming

In general, it refers to the extension of connection service in a different location that is far from your home or the country or outside of your network area. The word "roaming" started or that originated from Global System for Mobile (GSM), which can also be applied to Code Division Multiple Access (CDMA) technology. Users can get phone calls, receive text messages and data service while traveling outside their network coverage, or outside their country.

Two Types of Roaming

1. 1
   SIM Based roaming

   .

   Arranged from a network provider, such as phones, tablets and any other devices that run through SIM.

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2. 2
   Username and password roaming

   .

   This is an operator-to-operator based agreement system with their GSM support.

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1. 1
   Roaming agreement

   .

   The GSM association standardized the agreement for roaming to all its members, as authorization and authentication can comprise billing of the visiting subscribers that typically comprise minimal safety standards.

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2. 2
   Process

   .

   There are two types of processes.  

   1. Location update.  
      1. Maintenance of service is possible whenever there is an agreement between home and request services from the network that may also be denied from the visiting network.
      2. The visited network may contact the home network per request of the user that may use IMSI digits.
      3. Once successful, the network begins a temporary record for the user, cloned from the home network provider. It will indicate the host network with information sent to that device properly.
   2. Mobile terminated call. These are types of cellular networks. This is enabled when a call is made for roaming cellphones.  
      1. Dialling mobile numbers with MSISDN.
      2. Calls will be routed to Mobile network.
      3. MAP SRI messages contains the MSISDN.
      4. The MSRN will be sent back to HLR in the MAP.

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1. 1
   Regional Roaming

   :

   This refers to moving from one region to another inside the national coverage of mobile operators. Regional roaming is rarely offered to users, except in United States and other countries with wide geographical areas.

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2. 2
   National Roaming

   :

   This refers to moving from one network carrier to another. There is also a consideration if the mobile was made for a specific network that you may not be able to jump to another carrier.

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3. 3
   International Roaming

   :

   This refers to moving from one country to another using one network provider.

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4. 4
   Inter Standards Roaming

   :

   This is only used for CDMA customers.

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5. 5
   Mobile Signature Roaming

   :

   This allows an access point to get a mobile signature from any end-user.

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6. 6
   Inter MSC Roaming

   :

   This is a network element belonging to the same operator(s) in different locations.

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7. 7
   Permanent Roaming

   :

   This is for users to have permanent roaming or be off network.

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8. 8
   Trombone Roaming

   :

   Routing calls within local tariff.

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If you have problems with any of the steps in this article, please ask a question for more help, or post in the comments section below.

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