[AT&T Samsung Galaxy S II Skyrocket SGH-I727] romracer:
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Alien ROM provides a concocted stew of TouchWiz, and Gingerbread for your Galaxy S II Skyrocket. Samsung's TouchWiz functionality stays intact, but the Alien theme brings a slight hint of traditional Gingerbread to the party. There are very few theme changes with this ROM.​

Official Beta Tester signature:

[CENTER][URL="http://xdaforums.com/showthread.php?t=1376482"][IMG]http://i.imgur.com/bfP86.png[/IMG][/URL][/CENTER]

- Based on AT&T UCKK1 2.3.6
- Fugu Tweaks modified
- Updated Juwe11 optimizations
- wpa_supplicant with support for Ad-Hoc networks
- Zipaligned
- PNG Optimized
- Deodexed
- Rooted
- Carrier IQ disabled
- CRT animation enabled
- Limited NFC support enabled
- 5 icon dock enabled (4 + the app menu)
- 5 column app drawer
- Roboto FlipFont
- Customizable 14 toggle quick panel added
- Build.prop optimizations for speed, power savings
- Init.d scripts for compatible kernels (loopy smoothness, memkiller, zipalign on boot)
- Stock-ish kernel with custom ramdisk and BLN (disables ro.secure)
- Boot animation support!
- Reboot, Recovery, Download added to Power Options
- Tethering enabled / entitlement check gone
- SIP over WiFi and 3G
- Updated applications
- Some GApps moved to /data for more flexible management
- Latest Superuser application and binary
- Bloatware removed
- Removal of HSPA+ upload limits
- Additional Samsung applications made removable
- Mms.apk mods: increased MMS text threshold, increased recipient limit
- Email.apk mod: removed security policy restrictions
- Removed “full battery” notification, vibration, sound, and screen wake.
- Enabled network mode selection
- Enabled "Stay awake" option
- Added Internet call settings
- Compressed status bar for maximum functionality
- Transparent lock-screen default, changeable in Settings > Display > Screen display
- Colored icons removed from Settings application
- De-themed menus and popups
- sysro/sysrw added
- sqlite3 binary added
- so much more I can't remember!

Full Alien 6 (follow instructions below)​

1) wipe data

2) wipe cache

3) wipe dalvik cache

4) wipe battery stats

5) install from SD card

Update from Alien 5.5 (no wipes required)

See the changelog in post #3 for important information.

Please visit BriefMobile for your mobile phone news, rumors, and reviews. Support KennethPenn and all the great work he brings to the Android and mobile phone communities.​

kennethpenn

Original author - BriefMobile

Fenrir/Ririal

Build.prop fixes

Juwe11

RAM optimizations

nikademus

FuguTweaks

bruceleedragon1

wpa_supplicant
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It's not working when I install! I'm receiving force closes, sitting at bootloops, etc.

Make sure you're installing the ROM correctly. Remember that kernels, MODs, radios, and carriers can mess with your phone's performance and workability.

I'm not on AT&T and this ROM is completely broken!

This ROM is not necessarily designed for international compatibility. Please wait for future updates or attempt an install with a proper international kernel.

Why is my device running/booting slowly?

Your first boot will take an unimaginably long time. After that, your device will continue to run slowly until the application cache is built up. Don't worry, the speed will increase as you use the ROM!

Why is my battery life bad?

Your battery life is often killed when flashing ROMs in CWM. For the best battery life, you must drain your device’s battery until it turns off. Plug the device into the AC adapter and let it charge until the image says 100% charged. Then turn it on and use the volume buttons to boot into CWM. Click Wipe Battery Stats under the advanced menu. Then you should charge to 100% and install the ROM. Battery life should be comparable to (if not better than) every other ROM.

Where's my bloatware?

Alien deletes unnecessary bloatware that can be replaced by better applications in the Android Market. If you'd like the bloatware back, you can download the "bloatware.zip" from here.

Why isn't there a battery mod?

You can cook your own battery mod using the UOT kitchen. If you'd like the one I use, you can grab it here.

I thought Alien ROM was by KennethPenn, what the...?

Unfortunately, Kenneth is currently not able to continue development of Alien ROM for the SGSII SR without a phone to develop on. This is an authorized continuation of his work. Please show your support for his work by visiting BriefMobile.