CyanogenMod 10 (CM10) Alpha 4.1 for Samsung Galaxy W GT-I8150

What's working:
Audio
Receiving and making calls
GPS
Compass
Proximity sensor
Wifi
Bluetooth
USB mass storage
HW accelerated gui
HW accelerated video
Camera
Torch
Wifi/USB tethering

Not working:
The 2.6 kernel doesn't have vsync required for full project butter experience. The 3.0 kernel version has this though.
Camera is not working on the 3.0 kernel version.

Annoyances:
Artifacts in preview for panorama shots
Green color when taking pictures (saved picture is ok though)
USB tethering must be activated twice if it's the first boot
The fix for HSDPA causes an issue with APN's in Jelly Bean if you use SIM pin lock. To workaround that turn on and off airplane mode after entering pin code.

CM10 Install Guide

Download CM10 and gapps-jb zips and put in /sdcard

• 2013-01-26: CM10 alpha4.1
  [DL 2.6 KERNEL VERSION]
  Mediafire  |  Rapidshare
  [DL 3.0 KERNEL VERSION]
  Mediafire
  MD5SUM 2.6 kernel version: c984cc327f815beb5909012798ee4c89
  MD5SUM 3.0 kernel version: 0fa9986ecebca56624197f2a20568cc1
  • Rereleased with fixed 3.0 kernel version
• 2013-01-22: CM10 alpha4
  [DL 3.0 KERNEL VERSION]
  Mediafire
  MD5SUM 2.6 kernel version: 09C8631323556C2208A44256714FB647
  MD5SUM 3.0 kernel version: 5E0DCB417087110BDC7F52CB2F7A2404
  • Fixed data usage in 3.0 kernel version
  • Enabled WEBGL
  • Updated media_profiles
  • Various kernel updates (see github)
  • Synced with CM
• 2012-12-10: CM10 alpha3
  [DL 2.6 KERNEL VERSION]
  Mediafire  |  Free Direct Link
  [DL 3.0 KERNEL VERSION]
  Mediafire
  MD5SUM 2.6 kernel version: 70A61B0DC42E01BCD03DE60221C0408B
  MD5SUM 3.0 kernel version: D15E41D473039EB9562558B7ED93FBA9
  • Fixed HSDPA issues (see Annoyances above though regarding APN)
  • Updates to the display system
  • Building liblights from source
  • Synced with CM
• 2012-11-20: CM10 alpha2
  Mediafire  |  Free Direct Link
  MD5SUM: D258C97FA8C8AF2A7029E02475F2AA00
  • Fixed wifi tethering
  • Fixed USB tethering
  • Fixed torch in power widget
  • Switched from legacy to native camera app
• 2012-11-14: CM10 alpha1
  Mediafire
  MD5SUM: DE4E29478599F60A5581B818051EB771
  • Initial release

• gapps UPGRADE REQUIRED
  • gapps version 20121011
    MD5SUM: 4e9e7ec3c22b0b3471bd05d62b8a659d
    Please verify the md5sum to be sure you got the right one.

WARNING: Many apps will Force Close crash if you restore data from a previous ROM.

Install

1. Use CWM5 or CWM6.
   • Warning: Only use this recovery to flash CM10. Otherwise, you risk bricking your phone!
2. Wipe data and cache.
3. Flash update*.zip.
4. Flash gapps*.zip. You must flash gapps after every upgrade to CM10 since /system is formatted, wiping your previous add-ons.
5. Reboot phone.
6. After you setup your Google account, reinstall the three apps from Market in order to restore most of your apps, call log and SMS history.
7. Warning: Do not restore backup data of system apps!
   • If you restore a bad backup with cached settings in telephony.db in data/data/com.*.*.telephony it can break MMS.
   • It seems that restoring backups can also break Calendar sync.

Upgrades
Upgrades from previous versions of CM10 are the same process as install, except you do not need to wipe anything. Contrary to popular belief, you do not need to even wipe cache and dalvik-cache when upgrading between CM10 versions. You only need to wipe if you are doing a major upgrade, switching to a different ROM entirely, or attempting to fix bugs caused by bad backups or corrupt app data.