How to Re Connect iPhone 4 bad esn?

I have an iPhone 4 (AT&T) with a bad Esn. Can I reconnect it if it gets unlocked? It has a SIM card slot on the right side, please help me, I want to reconnect it to a service, thank you.

You never do, LOL… It has a bad esn forever unless the original owner pays all the money they owe on the iPhone.

Too bad

People never learn.

No. When the ESN is fried it'll never be turned back on in the US ever again. Find ESN cleaning software or just keep it for what it is, an iPod. Best luck.

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