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[Q] Jiayu G4S How to unbrick ?

25th June 2014, 09:42 PM   |  #1  
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37 posts
Join Date:Joined: Nov 2009
Hello!
Today I tried to change ROM. But something goes wrong I followed all instructions but apparently I pushed Format + Download now does not want to boot. May be it is bricked.
Everything is installed correctly !
Drivers, SP_Flash_Tool_v5.1348.00, Stock ROM from official web site.
I get these errors:
BROM ERROR...
Firmware Upgrade error
Nand flash not detected

If you need more information about the problem I will try to explain.
Last edited by godhamer; 26th June 2014 at 07:08 AM.
26th June 2014, 11:56 PM   |  #2  
Junior Member
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2 posts
Join Date:Joined: Jun 2014
The same problem
Hi, seems to be the same with my phone.
Maybe preloader file is not siutable? I think if I would unthick preloader file while I was trying to flash it would be fine. Maybe we need proper preloader file from factory ROM. Anyone who has original working G4SL 1GB/4GB could do flashable backup using MTK Droid Tools and post it somewhere please? It would probably unbrick our phones. Tutorial and download links here for example http://www.needrom.com/mobile/.....roidtools/ . Thank you in advance….

If no and there is problem with accesing NAND flash... I don't know what we can do...format it? Set proper size somehow?
There was similar problem with MTK6577 here http://forum.xda-developers.com/show....php?t=1866962
I tried this SPMultiPortFlashDownloadProject but it doesn't load any configuration files...

Some one with ideas, please?
28th June 2014, 02:48 AM   |  #3  
Junior Member
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2 posts
Join Date:Joined: Jun 2014
It works!
Hi It was problem with wrong ROMs. Yesterday they release new ROM on needrom + new SP Flash tools and was no problem to install everything It works again.
16th July 2014, 03:25 PM   |  #4  
Junior Member
Thanks Meter: 0
 
1 posts
Join Date:Joined: Jul 2014
hi
I have the same problem
Did you make?
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