Here are the details of the Galaxy S6 update which can viewed in Settings>About device:
Android version: 5.0.2And here's what we got in Galaxy S6 Edge:
Baseband version: G920AUCU1AOE2
Kernel version: 3.10.61
Build number: LRX22G.G920AUCU1AOE2
Android version: 5.0.2
Baseband version: G925AUCU1AOE2
Kernel version: 3.10.61
Build number: LRX22G.G925AUCU1AOE2
AT&T Galaxy S6 "OE2" Update Changelog:
- Battery performance enhancement
- HD Voice enhancement
- Screen enhancements
- AT&T Message enhancement
- Screen rotation enhancement
- Power key press time from .5 sec to 1.5 sec.
- Other various performance enhancements
Both are available via Over-The-Air (OTA) update and weighs around 236 MB in file size.
Once took the update it changes the baseband version to UCU1AOE2 from UCU1AOCE the initial release, Android 5.0.2 Lollipop update last month. So make sure to hit your device Settings>About device>Software Update>Check for updates. If you already receive the said maintenance update, just let us know.
Source: Samsung support S6, S6 Edge