The international version of the HTC One has already received the Android 4.3 Jelly Bean upgrades, but the users in the UK had to wait a bit longer. However, the new firmware upgrades for the device is now seeding across the country. There's no word on why the upgrades were delayed, but we presume that the optimizations required for specific UK carriers might have been the reason for the...
Source: http://www.gsmarena.com/android_43_update_now_seeding_to_htc_ones_in_the_uk-news-7130.php
