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CSC and Samsung Pay on 935F

I've read through several monster threads on Samsung Pay and the 935F variant, but I still need some clarity.
I have a 935F running TPA CSC (Panama). I am in the U.S. using the phone on AT&T.
I understand in order the Samsung Pay to work, the phone must be flashed with firmware from a country that supports Samsung Pay, like Australia (XSA).
Does "firmware" mean the CSC piece or all four (BL, AP, CP, CSC) pieces need to be from a "Samsung Pay country"?
If I flash BL, AP, SP from XSA and CSC_Home (from TPA) will I be good, or do I need to flash all four (including full CSC not home from XSA) from XSA?
Thanks.
Rene

ALL FOUR!!! or you will have a mismatch!

Can i Install a HongKong firmware to my G900F which previously had XSG Firmware???

I is possible to install a HongKong (TGY) firmware through Odin to my Galaxy S5 G900F which currently has UAE (XSG) Firmware

if fw was for a snapdragon cpu then yes
most if not all s5 snapdragon phones have same base software, the only diff is bloatware/carrier specific apps.
and maybe bootloader(ATT HAS IT LOCKED) and least likely modem but they can be flashed seperately or afterwards if need be

BTU Firmware for Galaxy S7 please?

I need a stock BTU firmware for my SM-G930F S7 as the place i bought it from(mobiles.co.uk)screwed me over and gave me a firmware with a verizon us csc.It even thinks the GPU is an Adreno,when it is actually a Mali,which is why I want the stock UK Firmware.

fucceeandcarphone said:
I need a stock BTU firmware for my SM-G930F S7 as the place i bought it from(mobiles.co.uk)screwed me over and gave me a firmware with a verizon us csc.It even thinks the GPU is an Adreno,when it is actually a Mali,which is why I want the stock UK Firmware.
Click to expand...
Click to collapse
Well,I have the firmware now.But should I take the risk and flash it with ODIN or not.Also,in CSC in Odin,do you put the HOME_CSC there or the CSC?

CSC wipes your data; HOME_CSC does not.

Droiderat said:
CSC wipes your data; HOME_CSC does not.
Click to expand...
Click to collapse
Cool,so I'd use home csc so I don't lose my data.But I've heard from some people that they lost their IMEI when they used a different CSC.

CSC won't affect your IMEI, just don't tick anything extra in Odin as that's usually what breaks IMEI etc. Leave it all default.

CRL3 firmware for S8 SM-G950FD

Hi,
I have SM-G950FD model of S8 and I want to flash CRL3. However, on sammobile, CRL3 is not available for "SM-G950FD" for INS CSC code. It is available for SM-G950F model number. Can I flash that firmware to my phone?

Shoot2 said:
Hi,
I have SM-G950FD model of S8 and I want to flash CRL3. However, on sammobile, CRL3 is not available for "SM-G950FD" for INS CSC code. It is available for SM-G950F model number. Can I flash that firmware to my phone?
Click to expand...
Click to collapse
Yes you can flash, but you will lose dual sim, since the FD model is dual sim and F model is single sim.

xnote3.0 said:
Yes you can flash, but you will lose dual sim, since the FD model is dual sim and F model is single sim.
Click to expand...
Click to collapse
Actually, both devices use the same firmware. Matter of fact, I just flashed G950FXXU4CRL3_G950FOXM4CRL1 on my DUO S8, followed by the Pie updates.

Ivan Fuentes Hagar said:
Actually, both devices use the same firmware. Matter of fact, I just flashed G950FXXU4CRL3_G950FOXM4CRL1 on my DUO S8, followed by the Pie updates.
Click to expand...
Click to collapse
Yup, it's because the FD and the F uses the same CPU, ram...

xnote3.0 said:
Yup, it's because the FD and the F uses the same CPU, ram...
Click to expand...
Click to collapse
That's correct. Unlike the 950U, which comes with a Snapdragon processor.

Slightly off topic, but does anyone know if the F or FD firmwares can be safely flashed on the N model (Korean variant, exynos)?
The N variant firmware on SAMmobile is always waaaay behind the other models.

Unrooting S8 with different CSC?

Hey,
I am about to unroot my galaxy s8 which had an italian firmware. I was wondering can I simply unroot with the latest firmware of a different country or will I run to issues with this?
If there is no issues with using a different country's firmware: all I need is to flash BL, AP, CP and CSC with Odin to unroot my S8, correct?