This is the final and most stable build. It contains the "Wi-Fi-only" baseband placeholder. It is exclusive because it checks the A1219’s PMU version before installing. If you use a generic iPad 2 IPSW, the restore fails at 80%.
Even though signing is closed, you can still install the final exclusive build using : ipad a1219 firmware exclusive
: Wiping the device and setting it up as new can sometimes clear out "cobwebs" from years of use. How to Identify iPad Models - Gazelle This is the final and most stable build