Sony is the problem, not Mediatek. Sony made the decision to lock the bootloader on this device, all other MTK devices comes with unlocked bootloader.
Sent from my C2305 using Tapatalk
I emailed Sony many times but every time they send me back that they don't have any information about it because it's not in the US market and one time one of them seid to me that the xperia c would have the locked bootloader forever and Sony doesn't even think about to unlock the bootloader but it's on the 4.3 update in next winter.
Social network applications and services have developed into major parts ofour … more
29 Aug 2014
By Tomek Kondrat
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?