Chara-Ani has posted earlier this morning, stating that the patch to address the infamous freezing issues for Zero no Kiseki Evolution on the PS Vita will be pushed out to systems at approximately 10:00am on 11/16 (Japan time, of course).
To download the update file:
1) Connect the PS Vita to the internet.
2) Tap the game icon on the home screen to access its LiveArea.
3) While on the LiveArea screen, tap the Update icon.
4) Tap download.
5) Once the download is complete, launch the game.