u get the same problem as me.. my ZL in service centre right now for nearly 1 month.. i complaints to xperia care due to their fault and pending my spare parts - motherboard, so i tell them im will filed up to tribunal to have a small claims on their irresponsible on ytd.. today get call that service centre said sony had confirmed to them that my spare parts is available and sent to them by today.. probably this weekend i can get back my phone or next monday..

i suspects the new update have some problem on ZL and cause some motherbboard and battery enter failure problem..