firmware problems

Hello all, I own a XTS 3000 III: model: H09RDH9PW7BN Flashcode: 540001-000000-4 System Package: H35 Firmware: 07.71.00.00 DSP Software: N08.03.03 The radio has performed very well, except for recently randomly restarting. The radio will RX fine and won't restart, unless you: change zones...