Couldn't update xperia system update - Sony Xperia XZ3 Questions & Answers

Hello, can anyone help for a solution unable to install Sony Xz3 updates? I'm currently on build .618 and would like to update to the latest version as notified from the update center. However, once the download is complete, the update cannot be installed. Device position has installed temp root with Magisk 25.1. Any answer would be very helpful. Thank You

Just repair device with xperia companion. A firmware flashed via newflasher can not update via ota anymore.

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I can't update ota

My xperia ota not working and plugin phone to computer pcc tell me an update available why and what can I do the update is 423
not every update is avaible via ota, especially these, which updates android to next version...
Ramyroushdi said:
My xperia ota not working and plugin phone to computer pcc tell me an update available why and what can I do the update is 423
Click to expand...
Click to collapse
Update via Cable Or OverTheAir are different
So thr might be some update via OTA but not vi PCC and viceversa
:good:

(Q) Updating with rooted phone

So I'm still stuck with the 1.257 firmware version, and pc companion and update service will tell me that my phone has the latest firmware version, I read that if I rooted my phone OTA updates would not be recognized but I'm still not sure about that and yes I know that I can update via flashtool but I feel more secure with pc companion, so is there a way to make an OTA update? Or is it because of my carrier?
Sent from my C5302 using Tapatalk
Marmanvii said:
So I'm still stick with the 1.257 firmware version, and pc companion and update service will tell me that my phone has the latest firmware version, I read that if I rooted my phone OTA updates would not be recognized but I'm still not sure about that and yes I know that I can update via flashtool but I feel more secure with pc companion, so is there a way to make an OTA update? Or is it because of my carrier?
Sent from my C5302 using Tapatalk
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Click to collapse
if you just root the phone, OTA will detect your device and its firmware. All OTA's were on my rooted phone and worked perfectly (thanks to rootkeeper). I don't know if you carrier blocked the OTA. I think you should check their website or helpdesk. Or you can wait for the 4.3 this or next month

[Q] help needed about latest firmware

can someone please tell me that can I upgrade my sp directly to .201 and skipping .266? my phone is currently showing .266 update. I want to know that is it possible to skip an update and upgrade to latest one or I have to first update to .266 ?
Connect it to PC companion... The 201 update is out for a while now and should be downloaded and flashed by the program when you start it..
Also an OTA or notification via Update Center could appear...
If this is not the case try to follow this tut by me:
http://forum.xda-developers.com/showthread.php?t=2658952

[Q] C6903 Firmware for USA ...

I own a C6903 in USA.. the firmware version is 14.3.A.0.757 Customized UK
I am constantly and annoyingly receiving OTA update notification about the 14.4.A.0.108 update, but it cannot update because of 'could not verify' error. It also cannot update through the PC companion software, it says 'the phone/tablet contains modified software that cannot be updated'
Any idea on the cause of this error? Can anyone suggest a suitable firmware that can receive OTA update?
You have a rooted device or modified in some other way.
It's good that Sony prevented Ota updates for such devices as back in the days it caused a hard brick.
If you want to update then you can do this in a few ways :
Put your phone into flash mode and update via pc companion (your phone will be 100% wiped including internal storage)
Download an FTF from xda and flash it via flash tool (all will be wiped)
Get yourself a recovery from @[NUT] download a custom rom with the firmware of your choice and flash it. There are some that will not wipe your phone and you'll keep root that way.
Good luck
thanks a lot for clear and concise direction... got to update using the flashtool... everything good so far...

Software update and root

My phone is rooted and I have a custom recovery installed, but I'm on stock firmware. When I search for software updates, it doesn't tell me my device has been modified, but just goes on to say I'm on the latest update (August security patch for my region).
My question is: when the September security patch arrives, will I be able to do the update without losing root or any other issues?
If your on the snapdragon note 8 u cant root and never will be able to again
Max_Terrible said:
My phone is rooted and I have a custom recovery installed, but I'm on stock firmware. When I search for software updates, it doesn't tell me my device has been modified, but just goes on to say I'm on the latest update (August security patch for my region).
My question is: when the September security patch arrives, will I be able to do the update without losing root or any other issues?
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Click to collapse
Hi mate,
As long as I know:
- you wont be able to use OTA sine you did root. (strange the is not saying your device has been midified. just install root ckecker from goole play to make sure you are root)
- if you flash any originial rom via Odin, your custom kernel will be replaced with Samsung original kernel and you need to root your device again.
I hope it helps you
An update, if anyone happened to be interested. The September update for my carrier is now available. When I went to check for software update in the settings, the device finally told me the system has be modified in unauthorised ways so I can't download the update via OTA. That means I'll have to download it from Sammobile and flash via Odin and lose everything and start fresh.

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