iPad ipsw firmware download that provided by Apple, when you do the relevant operation at your own risk.
A2436 / A2437 / A2764 / A2766
20D47 · iPad14,5 / iPad14,6
20C65 · iPad14,5 / iPad14,6
20B101 · iPad14,5 / iPad14,6
20B82 · iPad14,5 / iPad14,6