[AT&T Samsung Galaxy S7 Guides, News, & Discussion] madsc13n41s4:
Followed the steps in your guide after rooting specifically for AT&T S7... so, rooted beforehand, downloaded flashfire, downloaded zip for non-verizon devices, attepted to flash and your zip for generic devices did not function.

Flashfire lastlog:

[UI] FlashFire - © 2015-2016 - Chainfire

[UI]

[UI] Installing [/data/media/0/Download/S7_or_S7Edge_PE1_Knox_Remove_Debloat_Fixes_V9.zip]...

[UI]

[OUT] Archive: /data/media/0/Download/S7_or_S7Edge_PE1_Knox_Remove_Debloat_Fixes_V9.zip

[OUT] creating: META-INF/com/google/android/

[OUT] inflating: META-INF/com/google/android/update-binary

[OUT] inflating: META-INF/com/google/android/updater-script

[UI]

[ERR] script aborted: assert failed: is_substring("VRU2APE1", getprop("ro.build.version.incremental"))

[OUT] ui_print

[UI]

[OUT] ui_print

[UI] ================================================

[OUT] ui_print

[UI] Samsung Galaxy S7 - SM-G930* or SM-G935*

[OUT] ui_print

[UI] This patch is exclusively for the PE1 builds

[OUT] ui_print

[UI] ================================================

[OUT] ui_print

[UI]

[OUT] ui_print

[UI] [ update from psouza4, version 9, 2016-07-10 ]

[OUT] ui_print

[UI]

[OUT] ui_print

[UI] assert failed: is_substring("VRU2APE1", getprop("ro.build.version.incremental"))

[OUT] ui_print

[UI]

[UI] Rebooting...

It's not flashing AT&T devices because of the build number. For AT&T S7 G930A I have "G930AUCS2APE1". Editing the updater-script appropriately allowed partial function...

Another lastlog:

[UI] FlashFire - © 2015-2016 - Chainfire

[UI]

[UI] Installing [/data/media/0/Download/S7_or_S7Edge_PE1_Knox_Remove_Debloat_Fixes_V9.zip]...

[UI]

[OUT] Archive: /data/media/0/Download/S7_or_S7Edge_PE1_Knox_Remove_Debloat_Fixes_V9.zip

[OUT] creating: META-INF/com/google/android/

[OUT] inflating: META-INF/com/google/android/update-binary

[OUT] inflating: META-INF/com/google/android/updater-script

[UI]

[OUT] ui_print

[UI]

[OUT] ui_print

[UI] ================================================

[OUT] ui_print

[UI] Samsung Galaxy S7 - SM-G930* or SM-G935*

[OUT] ui_print

[UI] This patch is exclusively for the PE1 builds

[OUT] ui_print

[UI] ================================================

[OUT] ui_print

[UI]

[OUT] ui_print

[UI] [ update from psouza4, version 9, 2016-07-10 ]

[OUT] ui_print

[UI]

[OUT] ui_print

[UI] Mounting Filesystem

[OUT] ui_print

[ERR] about to run program [/sbin/mount] with 4 args

[ERR] about to run program [/sbin/mount] with 4 args

[ERR] mount: mounting /dev/block/dm-0 on /data failed: Device or resource busy

[UI] Deleting Bloatware

[OUT] ui_print

[ERR] run_program: child exited with status 255

[UI] Updating System

[OUT] ui_print

[OUT] minzip: Extracted file "/data/s7startup/startupscript.sh"

[OUT] minzip: Extracted file "/data/s7startup/updatebuildprop.sh"

[OUT] minzip: Extracted file "/data/s7startup/updateothersxml.sh"

[OUT] minzip: Extracted file "/system/app/imsservice/imsservice.apk"

[OUT] minzip: Extracted file "/system/etc/init.sec.boot.sh"

[UI] Setting Startup Script

[OUT] ui_print

[ERR] about to run program [/system/bin/chmod] with 3 args

[ERR] about to run program [/system/bin/chcon] with 3 args

[ERR] about to run program [/system/bin/chmod] with 3 args

[ERR] about to run program [/system/bin/chcon] with 3 args

[ERR] about to run program [/system/bin/chmod] with 3 args

[ERR] about to run program [/system/bin/chcon] with 3 args

[UI] Unmounting File System

[OUT] ui_print

[OUT] wipe_cache

[UI] Success!

[OUT] ui_print

[UI]

[OUT] ui_print

[UI] ================================================

[OUT] ui_print

[UI] Finished Updating System

[OUT] ui_print

[UI] ================================================

[OUT] ui_print

[UI]

[OUT] ui_print

[ERR] script result was [ ]

[UI]

[UI] Rebooting...

[MENTION=1599591]psouza4[/MENTION], so please take another look at your "generic" option or do some more testing before readily suggesting broken solutions.