Modoru 2.0 - Downgrading PS Vita Firmware (3.73) - CFWaifu
PSVita News: SKGleba releases Modoru 2.0 with support for FW 3.71/3.72 - Downgrading your recently hacked PSVita is as simple as it gets! - Wololo.net
GitHub - TheOfficialFloW/modoru: Vita downgrader
Vita] TUTO – Le downgrade est enfin possible avec modoru (戻る)
Downgrade Your PS Vita/PS TV With Modoru! (3.60/3.65/3.68) - YouTube
Team XYZ shows off FW 3.70 hack for the PSVita / PSTV and TheFlow teases ' modoru' which may be a hombrew utility letting you downgrade your PSVita's firmware! - Wololo.net
Video) Downgrading PS Vita 3.74 using QA Flags, without the Modoru tool - Wololo.net