[help] update galaxy s5 at&t NG3 - AT&T Samsung Galaxy S 5

first excuse my ignorance , so I have a Samsung Galaxy S5 SM-G900A from AT&T unlocked with OS 4.4.2 baseband G900AUCU2ANG3 and no rooted , i currently live in FRANCE and want to update my galaxy to OS 5.0 Lollipop ,i dont care about root , what can i do?
so i can use ADB for update ?
directly NG3 to OA1 and OA1 to 5.0 ? just with adb or sd card
or i need to donwngrade to NCE ..... NCE TO NG3 .....NG3 TO OA1 ....OA1 TO 5.0 ?
what about SDK in my computer ?? i need sdk manager or no ?

Related

[Q] SAMSUNG S5 G900A Lolipop Updates

Hi, i would like to ask, i have a Samsung Galaxy S5 G900A AT&T and im using it out of America (im living in Indonesia), and i cant receive the latest updates. So i would like the links for all the updates especially the Lollipop OS, also if i download the lollipop OS Zip do i need to install the other or previous updates or i can just install it right away?
More Info: My phone is not rooted
If you are NOT INTERESTED in rooting your device, but just want the straight-up Lollipop release (including the current boot loader which will NOT allow you to downgrade!)
Use ODIN to push all required OTA, in order.
- NCE to NG3
- NG3 to OA1
- OA1 to OC4
You can get the 4.x OTA zip files from links in first post in this thread
You can get the 5.x OTA zip file and more information how-to from this thread.

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Hello ,
i bought samsung galaxy s5 at&t model a few days ago and i want to root it and flash new cm13 , boot i cant find anywhere how it can be rooted. its on 5.1.1 firmware. i was thinking , is it possible to downgrade kernel with odin and then root with towelroot ? i am just afraid of bricking my phone.
No, it's not possible to root this phone on Kitkat.

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