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Regarding a Puk which is to be able to unblock a sim card.
This does not unlock a phone to all network's. That's achieved by using the Nuc form at the side of the forum.page.
🌈Stay Safe 🌈
Current Phone > Samsung Note 10+ 5G _256Gb > Model: SM-N976B.
Samsung One Ui 2.1 / Android 10.
Samsung Gear s3 Frontier Watch.
Samsung Galaxy Buds.