this became monetary for devs my friend.....is sad but true :'(
meanwhile i unlock my phone with paid method and this tool,is very useful for unlock bootloader simple and easy...
the kernel is very stable with minicm v21 lite version, fast and wifi works very well,the battery is very stable, and @800mhz is very amazing my u20a :)
again thanks mate
sorry so much this paul :( ,however you can work with slade87 with the project,between more hands,best project :)