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The "firmware combination" can confirm the chipset inside a phone and can also contain support files indicating which wireless service providers a phone can support. The Galaxy Fold firmware contains folders for the four major US carriers. The records of Verizon, T-Mobile and AT & T contain operator applications. For example, the applications in the Verizon folder include "AdvancedCalling" and "HuxExtension". The first one supports voice and video over LTE and voice over Wi-Fi. The latter is used on a tablet to configure a Verizon data plan.
XDA was also able to find a file that, once opened, reveals a Verizon software upgrade wizard that attempts to run software designed to "help your Galaxy Fold (SM-F900U) communicate with your PC." This is a pretty strong sign that the Galaxy Fold will be available on a larger number of US carriers, beyond the AT & T and T-Mobile companies.
Other detective work using Samsung's FOTA (Firmware Over The Air) server reported that Samsung was developing versions of the Galaxy Fold for "AT & T, Mobile Boost, Sprint, T-Mobile, Virgin Mobile, Verizon Wireless , Xfinity Mobile and unbranded. " However, the construction dates discovered with this information show that the last time Samsung worked on the firmware of US Cellular and Xfinity Mobile units was back in October, which means that these models may have been converted to 86 units .
So, if you've started planning to spend $ 1,980 for the Galaxy Fold and worry about having to deal with the hassle of changing carriers, do not panic. You might not have to change at all.
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