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To experts, how can I Update after root?

Hi xda developers, I'm a new z3 user (D6633) running lollipop 5.1.1 , and I want to root my z3 to use titanium Backup,
1) I'm afraid that if I root my z3, I won't be able to update to marshmallow when it arrives, I also read somewhere that I still can update but will lose drm (I don't know what that is )
2) is there a way to unroot, to install the official update ?
Please explain in details and provide links if you could, cus I'm totally new on Sony
Any advice is appreciated

Im sure there will be a pre-rooted stock ROM for dl as soon after M. hits. Depends if one need to flash other things as well like firmware etc. but these things are included in the same FTF. I have gone through a few Android versions and things usually works out fine in a short matter of time.
If you absolutely want to go full stock, just flash a stock FTF from http://forum.xda-developers.com/z3/general/ftf-stock-firmwares-xperia-z3-models-t2886061
Using Flashtool.

Is the E6653 7.0 Nougat downgradable to MM?

Hi, I haven't had an android in a long time and I am looking at purchasing a Z5, now I've read somewhere once you upgrade to 7.0 you can not downgrade? is this true? what is the downgrande process step by step if it is possible? As I want to put a specific MM ROM on the device and if I can not downgrade 100% I will not buy it.
Any advice/information is appreciated

You have to select to wipe everything in flashtool, then it's possible

Yes, By using flashtool

you can flash between any versions of android since the starting point of the device
z5 released sony factory on android5.1, you find your rights build on 5.1, you can even downgrade from 7
but usind Flashtool and full wipe funtion

Eryklok said:
Hi, I haven't had an android in a long time and I am looking at purchasing a Z5, now I've read somewhere once you upgrade to 7.0 you can not downgrade? is this true? what is the downgrande process step by step if it is possible? As I want to put a specific MM ROM on the device and if I can not downgrade 100% I will not buy it.
Any advice/information is appreciated
Click to expand...
Click to collapse
yeah you can also downgrade to lollipop

need android oreo...

I want to roll back to oreo but xperifirm deletes previous android versions and I cant download the 47.1.A.16.20 for my region Israel (customized IL)
is there a way I can download any oreo firmware from different regions and simply copy some files from the android Pie (customized IL) and place them with the oreo that is from a different region and make my device receive OTA from my region?

I also made a mistake and updated Xperia XZ to Android 9.0. I am looking for any tutorial how to back to proper Android Oreo or even 7.1 if I nowhere find out Oreo. I consider even selling this phone because 9.0 is so bad that using my phone is right now a nightmare. I have hope that another vendors will modified what Google has broken in Pie. Sound regulation, auto brightness, toggles and even status bar is all so bad that I cannot believe that it is genuine Android update, however I have seen on another phone this crappy update and I recognised that it is unfortunately true. I really urgently need old rom file or I will have to sell this amazing phone.

I fully second those comments. It can be worse, but this upgrade is a disgrace in creating inconveniences. How to rollback the Sony OS has become a must instead of a nicety. My plan for future is either not to upgrade for six months, or buy a working second hand unit with cracks and all just to test the new OS from Sony.

i roll back to oreo i alwasy take precuatiuons and download firmwares!!!!

Alexander Luna said:
i roll back to oreo i alwasy take precuatiuons and download firmwares!!!!
Click to expand...
Click to collapse
obviously I downloaded the firmware, but it was before my computer was broken and had to be formatted... which leads to my case now

Try Emma Sony official page

RedJHoN said:
Try Emma Sony official page
Click to expand...
Click to collapse
doesnt work on locked bootloader

https://drive.google.com/open?id=1BadirQ2PDjZnN9kdeew0CQGQdMkVUk8w
47.1.A.16.20 as flashable ftf file and seperate files to build your own ftf file
These files are branded T-Mobile Netherlands...
But, anything is better than nothing
Good luck

robertlouwen said:
https://drive.google.com/open?id=1BadirQ2PDjZnN9kdeew0CQGQdMkVUk8w
47.1.A.16.20 as flashable ftf file and seperate files to build your own ftf file
These files are branded T-Mobile Netherlands...
But, anything is better than nothing
Good luck
Click to expand...
Click to collapse
how do i make it my own Israel ftf?

[Resolved] #Solved# Any Possible Solution to Downgrade Back to Nougat?

Hello all
Been a member here for some time now and have a perplexing issue.
I upgraded a Samsung Device SM T395 to OS Pie 9 and decided I didn't like it. (There are no other posts with help on this matter)
I kept the STOCK roms Nougat 7.1 and Oreo 8 and want to put Nougat 7.1 back on my device , but is proving difficult using ODIN 13.3.1 or any other version of Odin. The result is FAIL, that's using a combination of AP, CSC, CP and BL.
I managed to get Oreo 8 back on it, but want Nougat 7.1 original installed instead.
Can anyone tell me can ADB Fastboot be used to Flash a Stock Rom back on a Samsung Device or is Odin the only method?
I know there are other similar programs like QFIL and Qualcomm that I have used for the Mi Max brand devices.
The device was rooted with Nougat 7.1 originally and I have USB debug set and FRP / OEM lock off also. So there's no problem there.
The last resort (stupidly expensive idea :crying is for me to buy another exact device that has Nougat 7 installed when boxed up!
I don't see how upgrading to Pie 9 and then wanting to go back to the original factory installed rom is a big problem, can anyone explain?
Would a CUSTOM Nougat 7.1 rom work if installed via TWRP ?
I have also come across this COMBINATION Software https://samsungcombinationfile.com/samsung-sm-t395 that is supposed to allow the downgrading of Android software, but hasn't worked as I had been lead to believe.
https://combinationfirmware.com/combination-samsung-galaxy-tab-active/
Thanks for reading :good:

tsam19 said:
Hello all
Been a member here for some time now and have a perplexing issue.
I upgraded a Samsung Device SM T395 to OS Pie 9 and decided I didn't like it. (There are no other posts with help on this matter)
I kept the STOCK roms Nougat 7.1 and Oreo 8 and want to put Nougat 7.1 back on my device , but is proving difficult using ODIN 13.3.1 or any other version of Odin. The result is FAIL, that's using a combination of AP, CSC, CP and BL.
I managed to get Oreo 8 back on it, but want Nougat 7.1 original installed instead.
Can anyone tell me can ADB Fastboot be used to Flash a Stock Rom back on a Samsung Device or is Odin the only method?
I know there are other similar programs like QFIL and Qualcomm that I have used for the Mi Max brand devices.
The device was rooted with Nougat 7.1 originally and I have USB debug set and FRP / OEM lock off also. So there's no problem there.
The last resort (stupidly expensive idea :crying is for me to buy another exact device that has Nougat 7 installed when boxed up!
I don't see how upgrading to Pie 9 and then wanting to go back to the original factory installed rom is a big problem, can anyone explain?
Would a CUSTOM Nougat 7.1 rom work if installed via TWRP ?
I have also come across this COMBINATION Softwarehttps://samsungcombinationfile.com/samsung-sm-t395 that is supposed to allow the downgrading of Android software, but hasn't worked as I had been lead to believe.
https://combinationfirmware.com/combination-samsung-galaxy-tab-active/
Thanks for reading :good:
Click to expand...
Click to collapse
Samsung firmwares can not be downgraded. This is due to your bootloader version number. The bootloader version is the 5th number from the right of the firmware being downloaded. You can also check in setting - about phone - software info - baseband version ( 5th number from right). You can also tell bootloader number in download (Odin) mode with a line saying AP SWREV B:? : K? : S?. The B is your bootloader number.
Combination firmware works on the same principle in regards to bootloader numbers.
You can only flash the same or higher bootloaders version numbers.
Custom roms will work as long as the bootloader version number is the same ( or higher ) than what is on you phone.

spawnlives said:
Samsung firmwares can not be downgraded. This is due to your bootloader version number. The bootloader version is the 5th number from the right of the firmware being downloaded. You can also check in setting - about phone - software info - baseband version ( 5th number from right). You can also tell bootloader number in download (Odin) mode with a line saying AP SWREV B:? : K? : S?. The B is your bootloader number.
Combination firmware works on the same principle in regards to bootloader numbers.
You can only flash the same or higher bootloaders version numbers.
Custom roms will work as long as the bootloader version number is the same ( or higher ) than what is on you phone.
Click to expand...
Click to collapse
RE: spawnlives. Many thanks for clearing that up, I now understand. Like many other people I have been trying to mix and match BL files from different OS variants to try and trick the device into accepting the main Nougat AP file via Odin, but nothing works.
These NEW combination files suggest that it is possible to downgrade the BOOTLOADER files on certain devices. However I downloaded all that was available for my device and tried the lot and found the only ROM that would flash correctly and properly was the latest one with the Binary 4 Bootloader. The rest would not register in Odin due to MD5 binary error messages.
In download mode my device AP SWREV B:4 K:2 S:2. ( So I have binary 4 which was released in January 2019, I believe). and this must have been updated when I updated to OS 9 Pie , using all the AP, CSC , BL and CP files.
So as you say, the answer is either , look for a Nougat 7.1 rom with a BL file that has a BINARY 4 code. Or buy another device that has the original Nougat 7.1 installed, which is silly really. :laugh:
Thanks :good:

tsam19 said:
spawnlives said:
RE: spawnlives. Many thanks for clearing that up, I now understand. Like many other people I have been trying to mix and match BL files from different OS variants to try and trick the device into accepting the main Nougat AP file via Odin, but nothing works.
These NEW combination files suggest that it is possible to downgrade the BOOTLOADER files on certain devices. However I downloaded all that was available for my device and tried the lot and found the only ROM that would flash correctly and properly was the latest one with the Binary 4 Bootloader. The rest would not register in Odin due to MD5 binary error messages.
In download mode my device AP SWREV B:4 K:2 S:2. ( So I have binary 4 which was released in January 2019, I believe). and this must have been updated when I updated to OS 9 Pie , using all the AP, CSC , BL and CP files.
So as you say, the answer is either , look for a Nougat 7.1 rom with a BL file that has a BINARY 4 code. Or buy another device that has the original Nougat 7.1 installed, which is silly really. :laugh:
Thanks :good:[/
The best you can do is roll back to Oreo. A new phone running nougat would be the best choice. I don't use custom roms but they all seem to keep up to the latest version. I have not seen one that ( latest version ) that is nougat favoured.
Click to expand...
Click to collapse
Click to expand...
Click to collapse

spawnlives said:
tsam19 said:
spawnlives said:
RE: spawnlives. Many thanks for clearing that up, I now understand. Like many other people I have been trying to mix and match BL files from different OS variants to try and trick the device into accepting the main Nougat AP file via Odin, but nothing works.
These NEW combination files suggest that it is possible to downgrade the BOOTLOADER files on certain devices. However I downloaded all that was available for my device and tried the lot and found the only ROM that would flash correctly and properly was the latest one with the Binary 4 Bootloader. The rest would not register in Odin due to MD5 binary error messages.
In download mode my device AP SWREV B:4 K:2 S:2. ( So I have binary 4 which was released in January 2019, I believe). and this must have been updated when I updated to OS 9 Pie , using all the AP, CSC , BL and CP files.
So as you say, the answer is either , look for a Nougat 7.1 rom with a BL file that has a BINARY 4 code. Or buy another device that has the original Nougat 7.1 installed, which is silly really. :laugh:
Thanks :good:[/
The best you can do is roll back to Oreo. A new phone running nougat would be the best choice. I don't use custom roms but they all seem to keep up to the latest version. I have not seen one that ( latest version ) that is nougat favoured.
Click to expand...
Click to collapse
RE:spawnlives
Yes having researched the total list of softwares for the SM-T395 device, it seems the BL was updated to 4 on the 2nd roll out of Oreo 8.1. And having checked ALL stock Nougat variants, there was never any release of 7.1 with a bootloader binary 4!
I presume the BL Binary version is the 5 character from the right on the picture. (underlined red) :good:
It would make sense for Samsung to give the end user a choice what software they want, by keeping the BL version the same or giving a choice of BL selections to allow upgrade or downgrade.
Anyway, I rolled back to Oreo 8.1 with the binary 4 BL. And unfortunately there aren't many CUSTOM roms , nor a working TWRP for the Samsung Galaxy Active Tab2.
Thanks again :good:
Click to expand...
Click to collapse
Click to expand...
Click to collapse

tsam19 said:
spawnlives said:
tsam19 said:
RE:spawnlives
Yes having researched the total list of softwares for the SM-T395 device, it seems the BL was updated to 4 on the 2nd roll out of Oreo 8.1. And having checked ALL stock Nougat variants, there was never any release of 7.1 with a bootloader binary 4!
I presume the BL Binary version is the 5 character from the right on the picture. (underlined red) :good:
It would make sense for Samsung to give the end user a choice what software they want, by keeping the BL version the same or giving a choice of BL selections to allow upgrade or downgrade.
Anyway, I rolled back to Oreo 8.1 with the binary 4 BL. And unfortunately there aren't many CUSTOM roms , nor a working TWRP for the Samsung Galaxy Active Tab2.
Thanks again :good:
Click to expand...
Click to collapse
Yes the bootloader is 5th from the right.
I don't own a tab2. If no work twrp can be found and you want to at least have root try using magisk and used the patch root method.
Also to avoid possible upgrade turn off automatic updates in setting - software update as well as in developer option - auto update system.
Click to expand...
Click to collapse
Click to expand...
Click to collapse

spawnlives said:
tsam19 said:
spawnlives said:
Yes the bootloader is 5th from the right.
I don't own a tab2. If no work twrp can be found and you want to at least have root try using magisk and used the patch root method.
Also to avoid possible upgrade turn off automatic updates in setting - software update as well as in developer option - auto update system.
Click to expand...
Click to collapse
Have rooted the device no problem with magisk and patching the original boot img file. Then flashing patched boot img via odin. Causing device verification to need to reformat the device, resulting in correct root.
Once a device , this device is rooted, no official updates can be installed anyway. When you try to uodate software, a pop up shows as the device recognises the software has been modified.
As for TWRP there ISN'T any version of TWRP available for the Samsung Galaxy Active Tab2 (SM-T395). I have even emailed the makers , developers of TWRP why there isn't one in their device inventory list on their webpage.
So no TWRP, and NO custom roms either for this model.
My concern , was all about finding a valid , safe way to downgrade back to original Nougat 7.1. And until someone can produce a working image with a BL with binary 4. Then there's only one optiin and that is to buy another untampered device with Nougat 7.1 out of the box and leave it un updated. :good:
Thanks for replying.
Click to expand...
Click to collapse
Click to expand...
Click to collapse

tsam19 said:
Hello all
Been a member here for some time now and have a perplexing issue.
I upgraded a Samsung Device SM T395 to OS Pie 9 and decided I didn't like it. (There are no other posts with help on this matter)
I kept the STOCK roms Nougat 7.1 and Oreo 8 and want to put Nougat 7.1 back on my device , but is proving difficult using ODIN 13.3.1 or any other version of Odin. The result is FAIL, that's using a combination of AP, CSC, CP and BL.
I managed to get Oreo 8 back on it, but want Nougat 7.1 original installed instead.
Can anyone tell me can ADB Fastboot be used to Flash a Stock Rom back on a Samsung Device or is Odin the only method?
I know there are other similar programs like QFIL and Qualcomm that I have used for the Mi Max brand devices.
The device was rooted with Nougat 7.1 originally and I have USB debug set and FRP / OEM lock off also. So there's no problem there.
The last resort (stupidly expensive idea :crying is for me to buy another exact device that has Nougat 7 installed when boxed up!
I don't see how upgrading to Pie 9 and then wanting to go back to the original factory installed rom is a big problem, can anyone explain?
Would a CUSTOM Nougat 7.1 rom work if installed via TWRP ?
I have also come across this COMBINATION Software https://samsungcombinationfile.com/samsung-sm-t395 that is supposed to allow the downgrading of Android software, but hasn't worked as I had been lead to believe.
https://combinationfirmware.com/combination-samsung-galaxy-tab-active/
Thanks for reading :good:
Click to expand...
Click to collapse
To answer your question of how is downgrading such a big problem, it is due to security reasons, to keep your device as secure as possible with the newest available software and the latest security updates.
Sent from my SM-S767VL using Tapatalk

Question about upgrading to android 7 from android 6

hi i have a sm g610y and have a few question regarding updating
how do i upgrade from android 6 to android 7. and if i did upgrade is it possible and safe to downgrade.
what things do i lose out if i upgrade from 6 to 7?

anthony001 said:
hi i have a sm g610y and have a few question regarding updating
how do i upgrade from android 6 to android 7. and if i did upgrade is it possible and safe to downgrade.
what things do i lose out if i upgrade from 6 to 7?
Click to expand...
Click to collapse
Since the j7 prime never recieved any bootloader upgrades it is possible to downgrade. I would suggest upgrading to oreo however,or maybe installing android 10 custom roms. anyway, to install stock 7/8 go to this link and enter your device model and country and download the latest stock firmware for you. then download odin . once you have both downloaded, unzip both of them, and open up odin. When you get you should see ap, bl, cp,csc . press the 4 buttons mentioned before and go to where you extracted the stock firmware, and you can select the appropriate file. Then boot your device to download mode by holding volume down, power and home button at the same time for 5-10 seconds. press continue. Then connect your phone to your pc, and press start in odin.

santhosh ravi said:
Since the j7 prime never recieved any bootloader upgrades it is possible to downgrade. I would suggest upgrading to oreo however,or maybe installing android 10 custom roms. anyway, to install stock 7/8 go to this link and enter your device model and country and download the latest stock firmware for you. then download odin . once you have both downloaded, unzip both of them, and open up odin. When you get you should see ap, bl, cp,csc . press the 4 buttons mentioned before and go to where you extracted the stock firmware, and you can select the appropriate file. Then boot your device to download mode by holding volume down, power and home button at the same time for 5-10 seconds. press continue. Then connect your phone to your pc, and press start in odin.
Click to expand...
Click to collapse
why oreo? and whats the difference between a normal android 10 and a custom android 10? do i need to root to install custom android 10? also if i upgrade will my files be deleted? how much disk space is needed?

anthony001 said:
why oreo? and whats the difference between a normal android 10 and a custom android 10? do i need to root to install custom android 10? also if i upgrade will my files be deleted? how much disk space is needed?
Click to expand...
Click to collapse
oreo is the latest official firmware recieved by this phone. There is no official android 10 rom for this phone. Yes you will likely lose all your data.

santhosh ravi said:
oreo is the latest official firmware recieved by this phone. There is no official android 10 rom for this phone. Yes you will likely lose all your data.
Click to expand...
Click to collapse
if lets say i successfully flashed 8.1.0 using the above instruction how do i go back to 6.0.1?

i searched my firmware on samfw and the only available fw for my model and country is 6.0.1. if i flash other countrys fw with same exact model will it work or will it not work? the only available firmware is 7.0.0

bump anyone?

anthony001 said:
bump anyone?
Click to expand...
Click to collapse
You can flash firmware of any county, since is for the exact same model you have (ex: SM-G610) there's no problem. But keep in mind some have bootlogo/apps from operator, and/or extra functionality s/bloatwares.