HELP Downgrade S7 g930f 8.0 a 7.0 - Samsung Galaxy S7 Questions and Answers

Hi, I need a tutorial on how to downgrade from android 8.0 to android 7.0, my cell phone is an S7 g930f.
I ask your help and excuse the translation I am doing my best.

can u tell why u want to downgrade ? any problem with 8.0 ?

Yes, I have problems with an application called Parallel Space so I want to download to version 7.0 where I had no problem.
Can you help me, please?
That I need to do the downgrade from 8.0 to 7.0

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Is it really possible that we can't install SM-G920F ROMS on the version of my phone ? please, help me. Is someone have an issue for install another Official ROM than the AT&T one ? Please.
Jimm.007 said:
Hi. I've just bought a Samsung Galaxy S6 AT&T version (GT-920A) and having trouble to instal OFFICIAL Firmware from Sammobile which upgrades to 6.0.1 Marshmallow.
Is it really possible that we can't install SM-G920F ROMS on the version of my phone ? please, help me. Is someone have an issue for install another Official ROM than the AT&T one ? Please.
Click to expand...
Click to collapse
Hello,
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-Vatsal

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AngelxCasas said:
Hi, someone can give me a tutorial to downgrade to marshmallow? I'm just getting back to android from iphone and I bought a second hand T-mobile galaxy s7 and I want to downgrade to 6.1.1
Click to expand...
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hi
It should be straight forward , at least on the F and FD versions, just download the desire firmware and flash
Anyhow you have a snapdragon ( locked bootloader) , ask in the right forum, just in case
https://forum.xda-developers.com/tmobile-galaxy-s7

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bump for this post.. i need help too
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Hello everyone, a noob here
I bought Samsung galaxy s9+ however I cannot use the sim+sd hack because of stupid message which pops up.
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