Galaxy A5 2016 SM-510f - Galaxy A3, A5, A7, A8, A9 Q&A, Help & Troubleshoot

Hi, couple weeks I follow with android recommendation as nd upgrade Android 6.0 to 7.0. Now I see that 6.00 me is better compare 7.00. My question is how to back 6.00 wersion. I tryed use all magic tricks to install package CL, BL etc but still i be the same problem wrong binary ver. How to back ty to android 6.0

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Does Baseband and Build number affect rooting on samsung?

My older phone was a Sony Z3 which i had root running without any issues, but i recall it required the phone to be downgraded into a specific firmware.
I just got a Samsung S7 Edge (Exynos), I was reading up on how to root the device and install TWRP on the office thread. here : link
Can i just follow that thread's video or do i need to downgrade something on my phone before hand.
My phone
Samsung S7 Edge - Exynos
Baseband Ver - G935FXXu1BPI1
Kernel Ver - 3.18.14-8888212
Build number - MMB29K.G935FXXS1BPIB
Android Sec Patch- 1st September 2016.
Thanks

Older G935V to newer G935U?

Ok so I rooted my Verizon phone 2 years ago and I'm still running 6.0.1 with G935VVRU2APE1, the security patch level is from June 1, 2016, yes I'm wayyy behind. I'd like to go to Nougat or Oreo if possible with a fresh start/data wipe. Not concerned with root atm.
Where do I start? I've read through a lot of forum pages but no one has a build as old as mine it seems. According to updato.com/firmware-archive-select-model?q=SM-G935v (can't post proper link) the latest build for 6.0.1 is G935VVRU4API3. Can I go from APE1 to API3 without issue following "{GUIDE} Flashing the SM-935U firmware onto your Verizon S7 Edge and Rooting" or does it have to be a certain prior version?
From there will an OTA update or an official stock odin file get me to Nougat/Oreo? Thank you in advance!
I did upgrade my 6.0.1 V to 7.0 U. From there I got the OTA updates/upgrades to Oreo. You can get them faster if you use SmartSwitch on PC and phone.
SoNic67 said:
I did upgrade my 6.0.1 V to 7.0 U. From there I got the OTA updates/upgrades to Oreo. You can get them faster if you use SmartSwitch on PC and phone.
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Thanks for the reply. So do I go from my current build to the latest 6.0.1 (API3) or just go straight to the latest 7.0?
I would say you have to go to an official one first, using Odin.

About to attempt to downgrade Oreo 8.0 ROM to Nougat 7.0

Hi all,
First time poster, long time lurker.
I have recently purchased the galaxy s8 the other day, I was expecting for it to come with the Android default version 7.0 Nougat, however, it came with Oreo 8.0.
The baseband version of the phone is G950FXXU4CRI1, and the fifth last character indicates it is running Bootloader 4.
I heard it is impossible downgrade since the current available 7.0 Nougat roms from SamMobile are Bootloader 1.
I would like to clarify is that true?
If so, what happens If I force the downgrade with a different Baseband version?
If I am unable, are there any alternative ways to downgrade to 7.0 using an official samsung rom?
Any help would be appreciated.
Thank you
you are meddling in things that will error out in odin and or lose your IMEI.
anti rollback stops you from doing this fused binary device such and such version

Samsung Galaxy S8+ SM-G955U NOT UPDATING

Hi.
I have a G955U Galaxy S8+ AT&T Factory Unlocked on Android 7.0
Baseband Version: G955USQU1AQC9
Android Security Patch Level - April 1, 2017
I no longer live in the US, and currently in the Philippines. Phone works great and the signal is too and all, but I cannot get OTA updates. Every time i try to update it says that its up to date.
I have tried different ways to update it that i read online, The latest one that I have tried is following the steps given from this Thread https://forum.xda-developers.com/att-galaxy-s8+/how-to/sprint-released-oreo-s8-s8-flashing-t3915872 but it gave me this output https://prnt.sc/oqjnp6
My phone is not rooted or anything just a normal phone. I am just trying to update it to the latest Android Version 9.0(Pie) , I just made this thread for the reason of maybe someone can help me on updating my phone.
Where you able to update it? Or are you still having issues?

WANT HELP

amsung has sent me the update for my galaxy on5 pro. and after completing the update it got slow and started lagging. thats why I want to go back to its original previous position as it was before updating or we can say as I bought a new one. so , please tell me which is the adequate marshmallow 6.0 android os or lollipop 5.1 android os. and is it possible to get it back after flashing with these flash files. as it was in 2016, i mean the update get erased and the flashed file get activated. please help me and tell me where I can find the adequate flash file.

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