[AT&T Samsung Galaxy S 5] morphfxf:
Marshmallow Update for AT&T HAS Been Released :D

ONLY FOR G900A NOT G870A (Active)

FAQ:

1. When will OTA be released?

8/26/2016

2. Can I get a flashable zip, I live in XXX country but have an AT&T S5?

Yes! (See Below)

To Marshmallow Build PH4 (LATEST VERSION):

From Any Version:

OTA METHOD

1) OTA to latest version

-OR-

ODIN METHOD

WARNING: ALL DATA WILL BE LOST! PLEASE ENSURE YOU HAVE A BACKUP OF YOUR DATA BEFORE PROCEEDING.

To PH4

1) Download PH4 Here (On PC)

MD5: 517fa35b28ebd84646cd4e89a93e69aa​

Extract the zip file, you will see 4 items containing AP, BL,CSC, and CP in their file names.

Put S5 in Download Mode -> Vol Down + Home + Power

Then In Odin Load The Following In Their Respective Slots -> AP, BL, CSC, and CP [Check the boxes next to those 4, leave all other options the way it is and don't touch anything else but start]

Old Method:

(Ensure you're on PA2 - If not flash PA2 first!)

1) Download PA2 Here (On PC)

Extract the zip file, you will see 4 items containing AP, BL,CSC, and CP in their file names.

Put S5 in Download Mode -> Vol Down + Home + Power

Then In Odin Load The Following In Their Respective Slots -> AP, BL, CSC, and CP [Check the boxes next to those 4, leave all other options the way it is and don't touch anything else but start]

1) Flash PA2 to PA3 here (Download to your Phone)

MD5: 1dcadde29eb9d03cc346bf6502978dc7​

2) Move it to an SD card with at least 2GB free space.

3) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

4) Select Apply Update from External Storage

5) Flash PA3 to PH2 here (Download to your Phone)

MD5: 632bbc56a89a139712b0b32a12504691​

6) Move it to an SD card with at least 2GB free space.

7) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

8) Select Apply Update from External Storage

9) Flash PH2 to PH3 here (Download to your Phone)

MD5: a471867d7027c4be47b79e00dc5de71a​

10) Move it to an SD card with at least 2GB free space.

11) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

12) Select Apply Update from External Storage

Archive:

No OTA Builds:

From PA1 to PE3:

1) Download PA1 to PE3

(On your Phone)

2) Append .zip to the file you downloaded on your phone (.bin to .zip) aka the PA1 to PE3 rom, and move it to an SD card with at least 2GB free space.

3) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

5) Select Apply Update from External Storage

Any Build Below PA5 To PA2:

1) Download PA2 Here (On PC)

Extract the zip file, you will see 4 items containing AP, BL,CSC, and CP in their file names.

Put S5 in Download Mode -> Vol Down + Home + Power

Then In Odin Load The Following In Their Respective Slots -> AP, BL, CSC, and CP [Check the boxes next to those 4, leave all other options the way it is and don't touch anything else but start]

From PA2 to PE3:

1) Download PA2 to PE3 , Mirror

(On your Phone)

2) Append .zip to the file you downloaded on your phone (.bin to .zip) aka the PA2 to PE3 rom, and move it to an SD card with at least 2GB free space.

3) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

4) Select Apply Update from External Storage

MD5 PA2 to PE3: BE12962E08EEC0899DF50A00BEF102B4

From PA3 to PE3:

1) Download PA3 to PE3

(On your Phone)

2) Append .zip to the file you downloaded on your phone (.bin to .zip) aka the PA3 to PE3 rom, and move it to an SD card with at least 2GB free space.

3) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

4) Select Apply Update from External Storage

From PA4 to PE3:

1) Download PA4 to PE3

(On your Phone)

2) Append .zip to the file you downloaded on your phone (.bin to .zip) aka the PA4 to PE3 rom, and move it to an SD card with at least 2GB free space.

3) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

4) Select Apply Update from External Storage

From PA4 to PF3:

1) Download PA4 to PF3

(On your Phone)

2) Append .zip to the file you downloaded on your phone (.bin to .zip) aka the PA4 to PF3 rom, and move it to an SD card with at least 2GB free space.

3) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

4) Select Apply Update from External Storage

From PA4 to PG3:

1) Download PA4 to PG3

(On your Phone)

2) Append .zip to the file you downloaded on your phone (.bin to .zip) aka the PA4 to PG3 rom, and move it to an SD card with at least 2GB free space.

3) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

4) Select Apply Update from External Storage

From PE3 to PF3:

1) Download PE3 to PF3 , Mirror

(On your Phone)

2) Append .zip to the file you downloaded on your phone (.bin to .zip) aka the PE3 to PF3 rom, and move it to an SD card with at least 2GB free space.

3) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

4) Select Apply Update from External Storage

From PF3 to PF8:

1)Download PF3 to PF8 , Mirror

(On your Phone)

2) Append .zip to the file you downloaded on your phone (.bin to .zip) aka the PF3 to PF8 rom, and move it to an SD card with at least 2GB free space.

3) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

4) Select Apply Update from External Storage

From PF8 to PG3:

1)Download PF8 to PG3 , Mirror

(On your Phone)

2) Append .zip to the file you downloaded on your phone (.bin to .zip) aka the PF8 to PG3 rom, and move it to an SD card with at least 2GB free space.

3) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

4) Select Apply Update from External Storage

From PA2 to PA3:

1) Flash PA2 to PA3 here (Download to your Phone)

MD5: 1dcadde29eb9d03cc346bf6502978dc7​

2) Move it to an SD card with at least 2GB free space.

3) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

4) Select Apply Update from External Storage

From PA3 to PH2:

5) Flash PA3 to PH2 here (Download to your Phone)

MD5: 632bbc56a89a139712b0b32a12504691​

6) Move it to an SD card with at least 2GB free space.

7) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

8) Select Apply Update from External Storage

From PH2 to PH3:

9) Flash PH2 to PH3 here (Download to your Phone)

MD5: a471867d7027c4be47b79e00dc5de71a​

10) Move it to an SD card with at least 2GB free space.

11) Reboot into recovery. Turn off phone and wait a minute for it to completely turn off. Hold down Volume Up + Home + Power until you see a little Android guy. It will say Applying System Update or something like that

12) Select Apply Update from External Storage

--------------------------------------

3. What is the version number of the update?

Marshmallow Build / Version : MMB29M 6.0.1

Build Number : G900AUCU4DPH4

Build Date: 10/7/2016

4. Where can I check for the OTA update?

AT&T Software Update on your phone though the settings app

https://www.att.com/esupport/article.html#!/wireless/KB424848

www.samsung.com/us/support/answer/ANS00036623/997495262/

www.sammobile.com

5. Where can I vent about Marshmallow bugs?

This thread

https://forums.att.com/t5/Samsung-Discussion-Support/bd-p/Samsung_Devices

6. Where to download ODIN?

Bottom of post

7. Help! How can I download these files from my PC?

Try Here

8. What are PA2, PA3, PA4, PE3, PF3, PG3, etc?

It is the last 3 characters of the Build / Baseband for the version of android.

Below are some examples from Android version 5.1.1 Lollipop for our AT&T Galaxy S5.

G900AUCS4CPA1

G900AUCS4CPA2

G900AUCS4CPA3

G900AUCS4CPA4

G900AUCS4CPA5

G900AUCS4CPA6 - This is the last Lolipop based ROM for AT&T Galaxy S5

Below are some examples from Android version 6.0.1 Marshmallow for our AT&T Galaxy S5.

G900AUCU4DPE3 - May Security Patch Level

G900AUCU4DPF3 - June Security Patch Level

G900AUCU4DPG3 - July Security Patch Level

G900AUCU4DPH2 - August Security Patch Level

G900AUCU4DPH3 - September Security Patch Level

G900AUCU4DPH4 - October Security Patch Level (This is the latest and current version of Marshmallow for our AT&T Galaxy S5.)

9. How do I backup my contacts, pictures, music, data, etc before flashing?

Try Samsung's Smart Switch Application on Mac, PC or even Android.

http://www.samsung.com/us/smart-switch/

10. Can I go back to Lollipop once I flash a Marshmallow based rom?

Multiple users have reported that they were able to go back to Lolipop via flashing the PA2 rom. Once more users have confirmed this, I will update this post to reflect the reports.

Bugs: (Please report any bugs you may find in this thread)

Major:

1) Mobile Data can randomly turn off even if it is enabled in settings (Solution: Uncheck and Recheck Mobile Data)

Minor:

1) Status bar turns grey under power saving mode (Should be black to save power...)
​

Images:

Credit RK , nnjhbb , grandiosetoast , Waiting4MyAndroid , muniz_ri , josemrx55 , toutanje