[Defy Android Development] omoura11:
How did the JB Sister? The SJB came up with that name because "Sister" by ultilizar Quarx Base rom and put the Tweakers Negan1991 of that name. More the idea of ​​making a ROM came a while ago, seeking to create a rom that was always updated, a designer more agreeable, Performance, Stability, Fluidity. At first he could not imagine sharing this work with other friends, decided to post more after my younger guys to construction. This ROM is based on the complication of Sevenrock developed by Quarx (CyanogenMod). It added the "Tweakers" is for the NEGAN1991 V2 ROM, which summarizes much better performance on your device! What can I expect from this ROM? Durability, Performance, Stability and Fluidity. The ROM is very good, I can surely say that it is a great rom for daily use, to use to Be Play, Internet or whatever you prefer. If you want an updated rom, stable and fast. This is the ROM for you, We always demand the best for themselves, so why settle for less when you can have more. ​

- 2nd Boot Rom

- No Ad's Mod

- Backlight without delay

- Dalvik JIT Mode

- Enable HSUPA

- Improvements in 3G

- Improvements in battery consumption

- Ringtone without delay

- Launcher applied in Memory - Trebuchet Launcher

- Buffer Tweaks

- Debug Tunning

- Boot Tweaks

- Improved Scrolling

- Better Streaming

- Some init.d Tweaks

- Init.d GPU Performance

- Extreme Memory init.d

- Init.d LagFixer

- Init.d sysctrlnet Control

- Init.d SQL Optimizer

- Init.d Zipalign

- Init.d SQLITE

- Boost sysctl.conf

- OpenVPN

- Thunderbolt System Tweaks

- Trebuchet Wallpapers

- Some SystemUI tweaks

- Some Framework-res Tweaks

- Dalvik Tweaks, Tweaks Other ...

- More Battery Tweaks, actually modified battery tweaks

- BRAVIA ENG

- More Performance Tweaks

- BrainMaster Tweaks

- BrainMaster MemFree

- Binary RGND (Less Lag)

- Fix Lag

- Service RGND, improved camera performance (17/02)

- Fixed bug ringtone (ringtone), United cpu fast and agile now worked (20/02)

- Completely new wifi/wifi-ap driver, switch to wpa_supplicant8, Wifi ap AP - 72mbps (24/03)

- Some fixes in wifi, fixed MAC, WiFi direct implemented (25/03)

- Improved stability of wifi. (26/03)

Changelog ON v3.1.7

- New base ROM, Kernel 2.6.32.9 (Quarx/26-03)

- New Default Wallpaper

- Fixed Problem in Sending Message

- Fixed FC in photo editor "Gallery"

- Added Google Keep, Talkback (can be removed)

- Introduced Clock Center, Sons of android 4.2

(Alarms, notifications, ringtones, Screenshot, Camera)

- Fixed default Apollo again, in New Additional area

- Significant improvements in Wifi

- System sweated more

After the first boot, if you have problem with Wifi: remove / data / misc / wifi and reboot (By Quarx). Here I had no problems with the wifi connection, has greatly improved. I'm using there one day and so far got no falls or even delay in seeking networks. Wifi connection is perfect and it was not necessary to remove the folder for me!

If you want, Older versions search the internet

NOTE: To get a better experience, no carry bugs or something other ROMS, We recommend that you come from a stable ROM, version 2.3 (If possible Factory). Taking this approach you can prevent bugs from migrating to other versions are. Recommended that you make a backup before, if not want to lose your files. I am not responsible for anyone's machine. Just continue the installation process below if your phone is routed and installed with recovery!

1nd. Unplug the appliance, please recovery mode. When in recovery -> Custom recovery and make Wipes Correspondents ("Wipe data / factory reset" -> "Wipe cache partition" -> "Wipe Dalvik cache")

2nd. Now you can select the option "install zip from SD card". Then select "Chose zip from SD card". Choose the rom you downloaded and will start the installation. Expect to finish the installation.

3rd. In the following section make the same case number "2" more now with the "Gapps" (Google Apps). Wait again to finish the installation.

4th. Go back to the main menu, select to clean "wipe cache partition" then Advanced "Wipe Dalvik cache".

Once this is done and can go back to the start menu, selecting "+ + gooback"

And by the end select "Reboot System Now".

Ready your rom has just been installed, just wait about 5-10 minutes for your first boot and start your new ROM!

If you have network problem or Message Read:

NEW ROM UPDATED DAY 27/03/2013 (v3.1.7):

- LINK OF ROM: http://www.mediafire.com/?2dpw8rgaktb667v

ROM DAY 20/03/2013 (v3.1.6):

- LINK OF ROM: http://www.mediafire.com/?v4clwj3xy32niit

ROM DAY 16/03/2013 (v3.12):

- LINK OF ROM: http://www.mediafire.com/?karkgi3ik873rzp

GAPPS: http://xdaforums.com/showthread.php?t=1864796

NOTE: ROM Compatible with both types of DEFY: MB525 and MB526.

Thanks: Quarx/Sevenrock - ROM | Boss442 - Tweakers

If you like the ROM or just want to thank Leave your comment!​