There are plenty of reason why someone would want to unlock their Galaxy S6. If you’re headed overseas and want to use a local carrier, you’ll want to unlock your phone, so a SIM card from another company will be compatible. Another reason would be if you’re wanting to switch carriers. If you’re going from AT&T to T-Mobile, you’ll usually need to get your phone unlocked. If you’re buying a phone, you’ll have the option of buying one that comes unlocked. If you already have one, there is the option to get it unlocked through your carrier, or getting it IMEI unlocked using an online service. When a device is purchased through any phone company (with the companies branded phones) the devices are locked. This means that those devices can only be used with that companies network.
Domestic SIM Unlock (DSU) refers to enabling the SIM slot of your device to allow you to insert another carrier’s SIM card (either domestically or internationally.) Unlocking a device will not necessarily make a device interoperable with another carrier’s network. Additionally, unlocking a device may enable some functionality.
It is always seen that people who travel a lot has to bear roaming charges for one province to another. However, unlocked Samsung Galaxy S6 can give them the leverage to take a local SIM card and avoid the unnecessary charges. The same can be applied to people who often travel abroad for long durations or settled in some other countries. The same stylish Samsung Galaxy S6 can be used with different network providers if the phone is unlocked.
Now how to ensure your unlocked Samsung galaxy s6 at&twill work with you carrier to avoid any problem?
- Choose Your Wireless GSM Carrier
If you are in the United States and want to use an unlocked phone, you have the choice of AT&T and T-Mobile primary networks, or any one of the many Mobile Virtual Network Operators that use their networks. Generally, MVNO’s have lower prices but have fewer high-end phones available in-store, which is no problem if you bring your own unlocked smart phone. As noted above, Metro PCS (T-Mobile) and Cricket (AT&T) are two MVNO’s that are owned and operated by their parent companies as a lower-price alternative.
If you live elsewhere, then pretty much every network uses GSM for voice. Many Canadian networks use CDMA for 2G services, but transitioned to GSM for 3G and 4G, so unless you really want 2G service, you will be fine with a simunlocked galaxy s6.
- Check what frequencies your carrier uses
Once you’ve decided which carrier you will be using, the next step is to check which frequencies that carrier uses. We have compiled a list of most worldwide GSM carriers and what frequencies they use.
- Choose the right phone variant for your carrier
Now that you know what frequencies your cell carrier uses, you just need to make sure to get a variant of the phone you want that supports those frequencies. The frequencies a phone supports can be found in the specifications tab under cellular network.