OnePlus has finally started rolling out Oxygen OS v2.2.2 OTA update for the OnePlus X smartphone. This update fixes USSD issues for India finally, so that pre-paid users will now receive USSD notification after a call, SMS and for data usage. The update also adds manual mode that is already present in the OnePlus 2, option to save images in SD card directly in camera, security patches, bug fixes and optimizations.
Manual mode for Camera App
Save to SD card option in Camera App
USSD bug fix for India
Added dual SIM preferences back in system settings
OTA App upgrade
General bug fixes and optimizations
OxygenOS 2.2.0 OTA (over-the-air) update for the OnePlus X is about 40MB in size and also includes Google security patch for January. It is gradually rolling out for the users.