The refers to the Global/Indian variant of the Realme X2. (Note: Chinese and European variants have slightly different model codes). Key specs that affect OTA performance include:
: To receive the Android 11 OTA, devices typically needed to be on version RMX1971EX_11.C.14 RMX1971EX_11.C.15 Final Build Numbers : Common final builds reported by users include RMX1971EX_11_F.05 RMX1971EX_11_F.06 How to Update or Roll Back rmx1971 ota update
: Phased rollouts frequently include the latest Android security definitions to protect the device. The refers to the Global/Indian variant of the Realme X2