A pre-release version of Android 4.3 together with Sense 5.0 has been leaked for the international HTC One by HTC insider LlabTooFer who has produced a custom ROM; he also announced on Sunday that he would release the original Firmware update, untouched, on August 28th at 10am GMT. The ROM released today is based on unfinished firmware version 3.09.401.1 which means that there aren't that many changes...Source: http://www.phonearena.com/news/Pre-release-version-of-Android-4.3-firmware-for-international-HTC-One-leaks_id46738
