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4G Band Lock on Samsung Galaxy J7 Prime

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4G Band Lock on Samsung Galaxy J7 Prime
This tutorial explain how to force select 4G Band on Samsung Galaxy J7 Prime

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Samsung Galaxy J7 SECRET CODES

In this video I will show you some "secret" codes for Samsung Galaxy J7 J700F (Android 5.1.1).You can use this codes to check hardware and software version of your phone, to diagnose the phone

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