The much anticipated HTC One X is facing a small road block with some glitch in the power management system. The developer who has created the custom ROM for this device stated that an NVIDIA power control app known as NvCPLSvc.apk which is supposed to be in /system/app has been misplaced and is currently located in the /system/bin folder.
There is not much to worry as an unofficial fix has been posted on the Xda-developer’s forum by mike 1986. This fix puts the APK in the appropriate location. The international version of the HTC One X comes with the quad-core NVIDIA Tegra 3 processor. The problem is regarding the power management controls in the Tegra 3 processor. The misplacement of the APK is resulting in a 10 percent to 20 percent decrease in the battery life of the device.
Although an official fix for this problem has not been released yet by HTC, the unofficial patch can be used thanks to mike 1986. The instructions are available from the developer on the website. All you need to do is to install the new APK on the HTC One X via ADB and change the permissions. Till the problem is fixed it is advisable to use the battery economically.