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Unlock Code Not Working (phone sold on Ebay fron UK to Ireland)

2: Seeker

Hi, I recently sold my old Samsung S7 phone in the UK on Ebay to a buyer in Ireland. The buyer informed me that the phone was locked so I arranged an unlock code which i sent to him. The unlock code is apparently not working and presenting the following message:

SIM network PIN blocked. Enter PIN network PUK.


Can you please help how to remediate this?


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17: Community Champion

Vodafone usually recomend to use the unlock code while in the UK using a UK activated network sim card.


They can't guarantee an unlock code will work if not.


On some Samsung phones an unfreeze code aka a mastercode is also needed to which customer service on 191 or Live Chat can help with. 

Current Phone > Samsung Note 10+ 5G _256Gb > Model: SM-N976B.

Samsung One Ui 2.0  / Android 10.


Samsung Gear s3 Frontier Watch.

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