Tak možná použít tuto aplikaci. https://play.google.com/store/apps/details?id=com.idea.backup.smscontacts&hl=cs&gl=US&referrer=utm_source%3Dgoogle%26utm_medium%3Dorganic%26utm_term%3Dz%C3%A1loha+android&pcampaignid=APPU_1_m1dXYNjDKNKwrgTDgqqoCw
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