S20 Firmware For Odin Flash?

How do I go to download mode? Sorry this is my first time and thats why Im kinda hesitant to do it but as long as I dont brick it, ill do it :)
You won't brick it
Download mode once you connect the phone to computer hold the volume buttons together until you see download mode
 
Always make a back up .

This won't wipe when you use home csc , this will put tmobile firmware , so use home csc in the csc slot .











This is the steps :

Windows computer needed

Latest Odin can Google it and download should be 3.13.1 or 3.14.1 / or Frija tool

Download samfirm v0.4.1 tool and frija, extract it with 7zip.

You will extract files for Odin 3.14.1once download with 7zip and will do same for firmware with 7zip .

Put your model number SM-G988U...region TMB select check for updates , then download the FIRMWARE , extract the FIRMWARE with 7zip.

There will be 4 files after you extract the firmware


BL

AP

CP

CSC

Each of those files will go in Odin when you open to the corresponding slots

BL

AP

CP

CSC USE HOME CSC FIILE TO SAVE DATA

Home data slot dont put nothing

connect your phone with cable to computer , once the files are in its slots hit start, once done you'll see pass in Odin and it will reboot





*Make sure you put phone in download mode
*If dont see your phone connected in Odin change cables or ports in computer .

And download Odin and Samfirm to windows laptop or to the phone? Thanks again for your help
 
Lol..welcome !
You wont , its pretty much full proof, worst can happen odin won't let it flash if u did something wrong

Got it, and once successful, phone functions the same right? Does it void warranty? Im still backing the phone up. Taking forever to do it..
 

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