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I am looking for the V2.6 of the QS-CU. Already have the 2.5 but need the 2.6 to avoid code loading the panel back to 2.5.

QuickStart – Call for Service Event Introduction This bulletin informs you of an issue affecting QuickStart panels equipped with DLD Dual Line Dialer cards running version 1.71 firmware, and tells you how to resolve it. Issue Noisy digital subscriber lines (DSL) cause panels equipped with DLD cards ...