gulfam_gill

Any Solution Root device Bootloader Unlocked: NO 
can install twrp recovery ?

Previous Device Xperia Z5 E6653 was Bootloader Unlocked Allowed: Yes,... i installed firmware zip through TWRP 

that firmware also shows configuration message

1. Get F8331 International version firmware
2. Run Flash tool and Make flash file
3. Wipe Apps Log and (User date if you are downgrading)
4. Exclude Boot Delivery and Partition
5. Exclude Misc TA all options
6. Now Flash Your Device  

I was using Xperia z5 E6653 firmware  32.3.A.0.376 Singapore Generic 
in that phone there was option in Network Setting 
LTE only..

but Sony Xperia XZ don't have LTE only option appeared in Network Setting ..
Can it appear..or any Firmware version would be install ??