- Title: JIAYU G3
- Listed: April, 2013
- Last modified: 04/29/2013 1:50 pm
- Version: ROM Android 4.1.2
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DESCRIPTION
ROM Mobile JIAYU 3G/3GN – ROM Android 4.1.2
Update 04/30/2013
added new programs:
video wallpaper;
google voice;
video editor;
settings:
factory mode full worjing now, no more bootloop after use it!!!;
mods on settings:
now, JB, o 3 fast taps on "Android version" into android infos;
deleted voice "wireles update"
added button "screen-rotate" on notifications tab…..
better dualsim ringer:
addedsound boost (louds ring/notify volume…..)
FOR G3N USERS:
flash 30.04.2013 rom, and after flash G3-to-G3N tranformer pack, reboot!!!
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Update 04/10/2013
- Rom G3 4.1.2 for CWM
- G3_TO_G3N Transformer pack for CWM
- Patch: WAKEUP volume +/- for CWM
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Features ROM:
Note that there are two different examples of G3:
1) G3
2) G3N
1) has a chipset MT6620
2) has a chipset MT6628
how to recognize: all devices with build (in product info): 20130223-071508 G3N and later fitted with a chip MT6628, the oldier mount MT6620 chipset
the roms for the G3 are not compatible with the G3N and vice versa
differences:
flashate if a wrong rom (for example a rom on G3N G3) not work properly: WIFI, BT, FM radio and GPS, so if you do not work none of this hardware, you probably have the wrong rom, download the one for the other device and riflashate .
said what '…..
JB custom roms 4.1.2:
1) ROM for G3
2) transformer pack From G3 to G3N
IN MY ROMS JB 4.1.2 The Tethers ARE PERFECTLY WORKING!
settings added:
in developer options: factory mode and engineermode launcer;
in management sim, dualsim Ringer settings
fixato dualsim ringer and added some scripts to:
optimize and speed up your system: Zipalign, optimization and system ram, and supercharger
(If you do a restore after the installation you lose a part of the supercharger script …..)
more … in: -> tethering / portable hotspot: Ervius tether natter settings
updated boot logo, changing image!
applications that are put in settings are invisible in "programs"
optimized still the build.prop, and, of course the old changes:
reduction to 10 ms vibrio button operation
SMS long (No more self-transformation in mms sopo 3 concatenated SMS!)
extended PowerMenu (adding the "recovery" to reboot in recovery mode)
disbilitato the red LED to charge less than 15%
stretched to 5 seconds the flashing LED notifications (blue and green!)
dialer buttons marked.
ATTENTION ALL ROMS MAKE A FULL WIPE! (Before flashing make a full backup of your system and data)
you can 'perform two types of installations for the roms
a) clean istall: installed the rom from recovery modded!
b) istall with recovery: from clockwork mod, make a backup (only data and cache), installed the rom, you restore and reboot, you will have all vistri data and programs but on a brand new rom!
PS: If you come from a ICS 4.0.4, nn do a restore after you have installed the 4.1.2 JB, or the phone to reboot will go in boot-loop (nn will start and you will have to reflash the rom!)
Language support: AR/BN/DE/EN/ES/FA/FR/HI/IN/IT/MS/NL/PT/RU/TH/TR/UR/VI/CN
Install ROM:
Only add to the procedure used with Recovery LEWA:
1) Backup essential, always.
2) Factory reset
3) Wipe Dalvik cache and cache
4) Install zip (Rom)
5) Wipe cache and Dalvik cache
6) Reboot
So start the first time, quickly and completely clean.
With Titanium restore all your applications.
※Please make a backup of your device before installing or updating ROM


Member Info
When i missed a call there is a message in the notification bar. Ther is also a butten "Call Back" this button is not working for me from the lockscreen. is that normal? or is there a solution? Overall a great rom! The best i think! and believe me i tried all the available roms for the G3;)
I dont know, in my personal version I use holo launcher.
Thx! Everthing works fine ;D
Ervius do you have working notify bubbles for your apps like email (stock) sms and missed calls with Holo launcher? I love the launchers but i can't work without the bubbles
With these words I want to thank you big time for this fine release. I read that you're off for a Hero telephone, Good Luck. A small tip for european users that have troubles with GPS. Download the following http://www.mediafire.com/?cth0.....8gwxerm51b8 and watch how much correct and fast you will lock the satellites. Read the following about this gps update: http://forum.xda-developers.co.....d.php?t=1817558
Hi, ervius.
Could you pls help with answers for this dev questions (links will be good too!)
1) boot.img – how did you unpack\repack it?
split_bootimg.pl – did not help – not gzip message for ramdisk.gz
from xda-dev I grab this tool: https://github.com/bgcngm/mtk-.....tools
looks like work – but what is the difference – have not researched yet.
2) Is it standard for JIAYU G3 boot.img format = 2k header + gziped kernel + gziped_initrd (ramdisk)?
3) Back to wired headset: there is 2 models: Newman N1 and Haipai I9277 where the headset button is working!!!
On Haipai I9277 what they did:
Modified: ACCDET.kl (keys 163 (MEDIA_PLAY_PAUSE) and 128 (MEDIA_NEXT)) and classic – mtk-kpd.kl) - have tried the same on JIAYU G3 –
nothing
4) Is it possible to modify u-boot to have boot menu (2 kernels loading)? – I would like to take kernel from Haipai I9277 or Newman or something closely to Jiayu g3 (almost all with 3.4.0 kernel!) for JIAYU G3! – the goal - to make it working headset button!
Is there any way to restore the boot icon back to Jiayu logo? ^^;
Lots of boologos here just scroll down: http://forum.xda-developers.co.....d.php?t=2163707
How to solve problem with approximately sensor, not working, using G3N. Cant break call after one minute becuse screen is locking, and in that one minute can touch dial pad with my cheek?
Sorry for bad english
Sorry, proximately sensor not approximately
Thganks for your Good work Ervius!
There is only one question I have. Installed 3-29-13 G3 and after that the transformer G3toG3n.
Something strange with choosing numbers for calling, reaction is very slow and phone vibrates for 1 or two seconds. It takes about two seconds to be able to choose the next number for calling. So it takes about 20 seconds to choose a 10 numbered phonecall. Is this something in settings, I see options like wait 2 seconds, but no option to turn this off.
I have the same problem! If I unlock the phone, I have to wait 2 or 3 seconds before he is reacting again.
If i chose a number on the dialer the phone vibrates for 2 seconds, then I have to wait and I can go further. So, there is something wrong, but I don't know what…
If i adapt the volume (with volume buttons) it is the same. I can set it louder, have to wait a couple of seconds because everything blocks, and then I can set it again louder or stiller.
Suggestions?
can any point me to me transparent status bar patch plz, ?