Allows users to read and write Non-Volatile (NV) memory items, which control hardware settings like frequency bands.

(Invoking related search terms for further exploration.)

Modifying NV items can permanently disable your device's cellular capabilities if done incorrectly. Always backup your EFS partition first.

Since 2010, XDA threads have been the underground distribution hubs for "cracked" or "leaked" versions of QXDM (versions 2.7.4, 3.14.1000, 4.5, etc.). But XDA offers more than just the installer; it offers the .