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Please read this if you considering unlocking the boot loader or rooting your phone.
Please note that you may void the warranty of your phone and/or any warranty from your operator if you unlock the boot loader. You should only unlock the boot loader of your phone if you are an advanced user with good knowledge of the technology and risks involved.
For more information go here http://unlockbootloader.sonymobile.com/
Please also note
The Sony Xperia support team will not be able provide any support, related to unlocking the boot loader or rooting your phone.
We also recommend you to read the below blogposts.
Sony Xperia support team
2018-01-29 09:43 AM
I want downgrade too. Oreo on XZs does not stay connected to my apartment wifi (TP-Link) and I cannot change the router as it is built in with the accommodation.
The process is :
InstallIFlashtool to PC
Use XperiForm to download the ftf
Connect phone and Flash ROM
2018-01-31 02:39 AM - edited 2018-01-31 02:40 AM
Oreo update it's terrible very laggy and my phone drain the battery very fast too ,I'm very disappointed Sony make terrible updates ,everything became worst with the update ,I hate Oreo
2018-02-11 03:40 AM - edited 2018-02-11 03:41 AM
Please anyone knows how do i downgrade my Operating system OREO to go back to Nougat OS again? Because i really don't like this latest OS. I facing a lot of bug. And the battery battery life is quicker than before. Please helped me what should i do???😫😫😟🙏
2018-02-11 04:02 AM
Hello, where can get that thing? And how do i reinstall Oreo to report back? Sorry im noob on this thing i have no idea what should i do step by step. 🙁☹️
2018-02-11 04:05 AM
2018-02-11 04:11 AM
Hello i already done that thing. I already software repair my xz in sony pc companion. And nothing changed all want to do i want to go back to NOUGAT operating system? I dont like this OREO os.😣
2018-02-11 04:21 AM
Take a look at this
"I'd rather be hated for who I am, than loved for who I am not." Kurt Cobain (1967-1994)