LeShak is a genius!!
I had i570xxJE4 rom and updated easily (2 minutes) with ODIN to this rom, and oh my goodness, the world is once again amazing!!! enjoy


http://forum.samdroid.net/f9/lk2-08-original-firmwares-root-new-superuser-wifi-tether-bb-12-07-2010-a-1193/#post16597

1. Full rebuils Spica Linux Kernel from Samsung sources, plus:
- full root in adb (you can use cp etc, not only cat)
- root - su+Superuser
- add Netfilter/iptables (Walldroid, Wifi Tether)
- WiFi tether apk
- support ext2/ext3/ext4
- cifs (smb - support windows network shares)
- squashfs (for recovery utils)
- increase level of speaker sound
- fixed for sipdroid

2. New Recovery
- apply update.zip files (android install/update system)
- samdroid backup - create .tar file (system + data), restore via Odin
- wipe (data, cache, dalvik-cache)
- you can repartition your SD card on 2 partituions FAT32 + ext2 for install application os SD card apps2sd All your data on SD card will be delete!!!

3. Apps2sd based on CyanogenMod apps2sd
- you can move your applications from internal memory to SD card when you want, simple create two partitions on SD FAT32 + ext2/3/4


How to install LK2.xx
Your data or programs will not be deleted!!!!

0. You should have any Android 2.1 firmware since JC3.

1. Download: i5700_LK2-08_PDA.7z
2. Flash with Odin
After flash, i5700 will boot in Recovery, update and reboot to system


Additional Benefits
You can use kitchen for updates:
1. Use only 'Without base package'!!!
2. Don't use standart programs & Superuser!!
3. You can add/update
- live wallpapers
- kernels
- homes
- Wifi tether, openvpn, Gallery 3D