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Is it necessary to open international roaming when mobile phones go abroad?
Yes
According to the video network, using mobile phones abroad requires international roaming, data roaming and voice roaming. Therefore, international roaming is needed for mobile phones to go abroad. International roaming enables mobile phones to connect to local carrier networks and maintain communication functions. Data roaming allows mobile phones to use Internet services abroad, such as browsing the web and using social media. Voice roaming ensures that mobile phones can make and receive calls. The opening of these services can make it more convenient to travel abroad, keep in touch with family and friends and enjoy the convenience of the Internet.
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