How to use EC20 4G Module with RK3399 build Android 7.1 from source - Firefly-RK3399 - Firefly Open Source CommunityHow to use EC20 4G Module with RK3399 build Android 7.1 from source

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Posted at 12/6/2017 17:23:44 1^#

Make sure your firmware support EC20 .
Insert the direction of SIM card be correct , the gap is ouside

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