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It appears that when Samsung Galaxy S3 Mini owners update their Android OS to the latest version, they get a message saying "not registered on network". It could be an issue with the SIM card, an issue with the network connection, an issue with the software update, or an issue with the phone itself. Best solution may be to go to the carrier and see if they can repair it. Another option is to unlock and root the phone, then repair the issue. This isn't recommended unless you're comfortable modifying your phone.

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11y ago

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