Also, having a local number can improve the trip experience by granting access to local services without paying extra. For example, tourists do not have to worry about international data charges when using local data plans for social media or navigation applications. Maintsatakihgaining Connection in an International World. They also don't have to rely on unreliable Wi-Fi calling or messaging apps when traveling abroad because they can talk to local contacts using their local number. By making it simpler to stay connected in a world that is becoming more interconnected, dual SIM slots not only improve communication but also enhance the whole travel experience. It is clear that dual SIM slots will become more important in determining how we communicate with one another as we look to the future of mobile technology.