If the UK version of FTF doesn't work on your Z1 try other one,anyway don't worry try the other version or use the global version 14.6.A.0.270.
RootMaster (Chinese products)it works finely
http://www.romjd.com/jiaocheng/content/12500 -the link to the page
download link- http://soft.mgyun.com/files/products/vRoot/2040/2015/1896350976/VRoot_18.104.22.16885_cid2040_44c47ecb.exe (skip it-...
Does it overheat?
Nope,it can take 4K video up to 30mins and instantly watch the video in 4K resolution
Im looking for Xperia C3 Lollipop Recovery Backup for creating custom Rom
did anyone have the backup ?or just a META_INF update script and update binary.
it wont brick your device