- 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
The only info I can find about vibe 2.0 is through this google translated thread:
http://translate.google.com.my.....pera%26hs%3DnRC
not much info.
Yeah that’s the one I use and linked above as for the rom it’s the latest of Lenovo’s. More info : http://www.vibeui.com/
I want to confirm that if I will flash v3 then I won't be able to go back to 4.2.2 but would I be able to go to any other 4.4.2 custom roms?
Thanks
4.4.2? Probably. 4.2.2 custom rom? you can but with messed up touchscreen.
This lenovo rom is very very smooth but camera is only 8MP, ROM isnt multilang (this isnt big deal for me). The biggest problem is fact that i cant achieve root. Icecoffe can you write steb by step guide (for dummies) how to root it ?
Go to recovery CTR, connect your phone to PC while still in recovery then open MTK Droid Tools in PC, there select SuperUser on the 2nd tab, and choose superuser (not supersu) when prompted again, wait til it finish. Then flash this http://download.clockworkmod.c.....r/superuser.zip
Some app may complain that it's not compatible but so far I don't have any problem.
Yeah I just noticed that the camera is 8MP (for both side -_-), I wonder if there's any way to resolve this.
mybe juliotec could help to port this rom to jiayu g4s…
camera, could some one substitut camera lib, official jiayu v3 have bug in camera but substitute camera lib file resolve.
Path is not working.. anyone?
hi, in this lenovo rom the smartwake work? How is the batery drain?
thanks
Not sure, I have auo LCD so I can't have it anyway. With the included power saving app, it's ridiculously good still remain 50% after a whole day use.
very good the batery..
sorry for the ignorance, but wath its path? that kambingbakar mean..
@pkfloyd i mean path sosial network app.. this app keeps force close since i update to jiayu kitkat in every version.. install and uninstall every time but the problem still there.. could you give me solution?
help help..
- i flash G4S-20140816-190609 v3 (kitkat v3), change the boot from boot.v3.fixsu.img to >> boot.img, doesnt work. No Screen,No Boot Logo.
not changing boot.img (use the original boot.img from v3, not working either)
- try to flash G4S-20140704-161636 v1 (kitkat v1), change boot.img to JIAYU G4S – Boot.img – Only Members with "screen problem" the problem still remain, no screen, just blank -_-
(use the original boot.img from v1, not working either)
- try to flash with Rom G4S-20140609-211642 FL (jelly bean), the Touch Screen not working Properly, the Touch Panel for Menu not Working At all (Menu,Home,Back)
- try to Format whole flash except boot loader >> Not Working, Try to Format Whole Flash, Not Working, Try to Flash with Stock Rom Backup (jellybean) i made from MtkDroidTools: JY-G4S_140609_backup_140911-081910 >> Not Working.
info from mtk droidtools= LCD Driver I.C : 0-hx8394_lg47
are kitkat is InCompatible with Lcd 0-hx8394_lg47 ??
i'am stuck in jellybean with Screw up touch screen.. i'm desperate.. please help..
TF has a kernel update v3 for screen fix on 4.2.2.
See https://www.needrom.com/downlo.....ayu-g4s-mt6592/