Downgrade with Combination File? - Samsung Galaxy S9+ Questions & Answers

Does anyone know if its possible to downgrade from U2 to U1 with a combination file?

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which are different beetween C432 and C900 versions?

hi, stupid question but i not have found the answer....
can i flash the b321 oreo firmware of C900 on my europe C432 phone, using this easy method (https://forum.xda-developers.com/honor-9/how-to/stf-l09c432-how-to-install-oreo-h9-t3707729) ?
have only to sostitute the 3 firmware files?
i just have try to upgrade whit b360a files but i have lost buttins and flash. i want try to upgrade from nougat b183 (c432) to b321 (c900) whit those files (https://mega.nz/#F!W1QUAIbZ!7Gbf79dC6NwD1e_zdY_O3Q)
can i do it? im sorry but im not sure that i can only simply flash 3 files c900 on my c432....
it seem is possibile... but before i will do.. i want be sure!!!!
otherwidse, where i can founf the B321 oreo files foc C432?
For my opinion, never install c900 on c 432, or you will have to flash oem. Info after to return in c432, it's not a problem to do that but you have to know it
Edit : c900 means no OTA

Changing version CN to WW

Hello, i did a bit reaserch in Internet to find any guide to flash the WW firmware on CN device. I saw, that on Zenfone 2 you need boot.img, recovery.img and droidboot.img. Do anybody know what for files are they? Modded or just extracted from a WW version? Probably simple flashing WW firmware on my phone will brick it, will not?
I hope that we can do it since we have tool to unlock bootloader, but I'm not an expert.
ziemiak said:
Hello, i did a bit reaserch in Internet to find any guide to flash the WW firmware on CN device. I saw, that on Zenfone 2 you need boot.img, recovery.img and droidboot.img. Do anybody know what for files are they? Modded or just extracted from a WW version? Probably simple flashing WW firmware on my phone will brick it, will not?
I hope that we can do it since we have tool to unlock bootloader, but I'm not an expert.
Click to expand...
Click to collapse
Why would you want to change to the WW I don't see any advantages to having it over the CN?. Also the CN version gets updates earlier than other models.
I just wanted to have more languages (I need german and polish - more locale app doesn't satisfy me). Other thing is that I don't wanna this all Chinese stuff like on left home screen.
ziemiak said:
Hello, i did a bit reaserch in Internet to find any guide to flash the WW firmware on CN device. I saw, that on Zenfone 2 you need boot.img, recovery.img and droidboot.img. Do anybody know what for files are they? Modded or just extracted from a WW version? Probably simple flashing WW firmware on my phone will brick it, will not?
I hope that we can do it since we have tool to unlock bootloader, but I'm not an expert.
Click to expand...
Click to collapse
Hello, I have the same question. Is it possible to flash WW firmware on CN phone?

Ana-lgrp4-ovs.

I can't find the downgrade for my version (ANA-LGRP4-OVS) I am from Asia so this is the right version. I want to downgrade from 10.1 to 10 but can't find the downgrade file
me too
try this link
https://forum.xda-developers.com/showpost.php?p=83769469&postcount=4

need combination firmware for s506dluds7bth2

I need combination firmware for s506dluds7bth2 and stock firmware can anyone help?

ISO V600TM30d firmware

I can't seem to find the firmware for V600TM30d, can anyone help with this?

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