Mytouch 4g stuck on infinite loop

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Unregistered

My htc mytouch is on an infinite loop whenever I try to turn it on its stuck on the T-Mobile mytouch and I try to factory reset with hboot and it sends me to a screen with three androids on a 3 separate skateboards and just stays there I also tried the recovery method but it sends me to tmobile mytouch and then turns off please help someone