Cómo escanear documentos en un smartphone OnePlus

OnePlus 6T OnePlus 6T
OnePlus 6 OnePlus 6
OnePlus 5T OnePlus 5T
OnePlus One OnePlus One
OnePlus 2 OnePlus 2
OnePlus X OnePlus X
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OnePlus 3T OnePlus 3T
OnePlus 5 OnePlus 5