- Title: JIAYU G4S KK
- Listed: July, 2014
- Last modified: 10/29/2014 6:55 pm
- Version: ROM Android 4.4.2
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DESCRIPTION
ROM Phone JIAYU G4S – ROM Android 4.4.2
Update Official ROM JIAYU G4S WCDMA : G4S-20141022-222444 – KOT49H
Version Flash (FL)
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Update Official ROM JIAYU G4S WCDMA : G4S-20140927-1826499 – KOT49H
Version Flash (FL)
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Update Official ROM JIAYU G4S WCDMA : G4S 20140912-213816 – KOT49H
Version Flash (FL) or OTA (SD)
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Info of dontneedrom
In the original ROM V3 (G4S-20140816-190609), Superuser, even if enabled in Settings, is not working.
You put the boot.img in the rom (rename boot.v3.fixsu.img –> boot.img) and after you flash your mobile
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Warning:
1.This software only used for jiayu G4S(2GB RAM+16GB ROM) ,that's means this can't appropriate for any other model ,even can't match for G5S!
2.IF your phone upgrate to android 4.4 version,it can't downgrade to android 4.2 version(screen touch may not be correct),We may do not provide any technical support in this situation .
3.When doing upgrade progress,please choose “firmware upgrade”,mobile phone disk will be formatted ,backup your data is very Important !
Update Official ROM JIAYU G4S WCDMA : G4S-20140816-190609 – KOT49H
Changelog:
1 increase good domain theme, optimize interstellar global theme
2 increase in smart gestures wake-up function (the latest batch of models supported)
3 to increase the message notification settings switch, you can choose not to bright screen when information
4 settings - other settings - Noise Reduction menu add the following line to answer the vibration control switch, you can turn on or turn off this feature
5 Settings - Display in increased volume keys wake switch
6. repair screen driver compatibility issues
7 repair after entering the dial dial function without BUG
8 optimize RAM memory release, other small fixes BUG
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This rom stay here in download just for members who've problems with screen.
Jiayu have deleted this ROM because many problems.
DON'T install this rom OK OK OK !!!!
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UPDATE ONLY For the members who have flashed this rom and after no screen
1 .You download " Boot.img" and changed with the "boot.img" of the rom "G4S 20140724-114258"
2. After you flash your mobile ( always no screen)
3. and you reflash with this ROM JIAYU G4S – Update 06/09/2014 – FL
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Don't install this ROM with screen LG 5 touch
ONLY MT6592
Official ROM JIAYU G4S WCDMA : G4S 20140724-114258 – KOT49H
Changelog:
1 Increase good domain theme, optimized interstellar global theme
2 increase the intelligent gesture wake-up function (the latest batch of models supported)
3 Increase the message notification settings switch, you can choose not to bright screen when the information
4 settings – other settings – Noise Reduction menu add the following line to answer vibration control switch, you can turn on or off this feature
5 Set – Show in increased volume key wakeup switch
6 Fixed buttons on the version without vibration BUG
7 Repair dial function without entering dialpad BUG
8 optimize RAM memory release, other small fixes BUG
Gapps include – No Rooted
Language support: Multilang
Install ROM :
- Unpack FlashTools, and Click on Flash_tool.exe
- Select a the MT6592_Android_scatter.txt in ROM
- Wait file to be added into Flash Tool
- choose Option->USB Model,click USB Model
–> Choose Option->DA DownLoad All->Speed->High Speed, click High Speed
- Turn off your phone, remove the battery.
- "Press F9 (hit Download button)" OR " if upgrade ROM Firmware->Upgrade "
- and connect your phone into the computer via USB data cable.
- The process will start and a red progress bar will appear after color purple, yellow.
- And green circles display
- Finish !
- You can now safely disconnect your phone and turn it on.
※Please make a backup of your device before installing or updating ROM


Member Info
Sorry i posted this in spanish because my english is not hard and i didnt have time to traduce, i create a custom system.img to this v3 G4S-20140816-190609, I add too the boot.img that fix superuser and the recovery.img that is the Carliv 2.5, if you want use them, you must remplace those files when your are going to flash this version with sp flash tools.
Cree un custom rom de esta version
/system/priv-app
Calendar.apk – Calendario
Contacts.apk – Arregla los contactos
Dialer.apk – Arregla el Dialer
LatinImeGoogle.apk – Teclado Android L
Browser.apk – Browser aosp
BookmarksSyncAdapter.apk – Sincronizador de bookmarks del browser aosp
/system/lib
libcameracustom.so – Para arreglar la camara
libjni_latinimegoogle.so – Para que funcione el teclado
/system/etc
gps.conf fix del gps
#Extras
ro.init.phonenumber_match=7
wifi.supplicant_scan_interval=300
windowsmgr.max_events_per_sec=120
ro.com.google.locationfeatures=1
ro.com.google.networklocation=1
debug.sf.hw=1
persist.sys.ui.hw=1
ro.ril.power_collapse=1
pm.sleep_mode=1
the link its wrong, this is the link that works https://mega.co.nz/#!3sMQQSZB!.....8EHNmM8kh3oBhLI
I have reflash it and now all is ok and the browser too… Thanks
(Don't forget to backup IMEI before flash….)
JIAYU G4S – Update 08/16/2014
not root
Flash again using my modified boot.img
boot.v3.fixsu.img
If you have V3 yet:
- Open the scatter as usual
- Uncheck everything except the row with Name=BOOTIMG
- Click on the field Location corresponding to the row with Name=BOOTIMG (you’ll see the path to boot.img in it)
- Select the modified boot.img I’ve linked above
- Flash!
how to milk shake bugs navigation keys
no update for G4SL?
Maybe they realized that they introduced a lot of bugs and suspended the release of the rom for G4SL.
That thing happend on the last update also
I flashed G4S-20140816-190609 system, boot, recovery fix.
Now everything works.
Thank You guys.
even wakup gestures?? and wats ur model? lg or auo45? and does xposed framework n gravity box works?
thanks
Yes, wake up gestures works.
G4S 2GB RAM 16 GB ROM
LG47
Xposed and gravity can't test.
thanks for the details mate… my model is auo45… but really want that wakeup gesture…but i also need gravity box to b working…hope someone will make custom rom using these updated features…n after this update (gesture wakeup) our fone was capable for such features but the Jiayu didnt put their efforts to make a rom to get pure performance out of it n tats so sad.
can we summarize things ?
which includes all the download links for a working v3 to help other users fix their buggy g4s .. thank you
@juliotec @dontneedrom
I opened a ticked asking to include the fixed boot.img I made on top of the post, so that people could easily find it.
thx @juliotec you are the best !! and its a shame that Jiayu cant make a proper and stable system for their devices
i agree with you, its realy a shame.. i don´t andersted to, jiayu have everthing to be a top mobilphone in the market and realse this roms… and its Version 3
im my opinion the camera bug have no explanacion…… the rest ok, the chineses people who have this phone dont report dialer and browser bug
thanks juliotec, once again.. now i will flash this rom.
thanks for everything
all the problems
button light does not
I could not find the cause of this problem
Can you help
i think that jiayu disiable the lights by default but im not sure, to save battery.
yes, backlit of navigation keys does not work on Jiayu G4S at all..mybe bcoz they didnt put the LEDs under the keys.
Button light on G4*?
There is no button light on G4*.
@juliotec, just to clarify in case I misunderstand, can't read spanish, are you saying the custom system.img you provided in your link
https://mega.co.nz/#!3sMQQSZB!.....8EHNmM8kh3oBhLI
included all the fixes already, i.e., if I flash the files in the zip, I don't need to do the fixes in http://www52.zippyshare.com/v/.....32715/file.html ?
Thanks…!
yes, my custom system.img have all the fixes that I have been doing. the boot.img has superuser fix and the recovery.img has another recovery named carliv 2.5 touch
The fixed boot.img is now among the links on top of this pages.
Thanks for the clarification @juliotec & for your hardwork as well @dontneedrom, I'll flash it soon!
Skype and Titaniun Backup are working with this rom?