Aston Game

I9300 hang and flashing failed fixed by Gsmideazone


unit: samsung i9300
problem : received as hang on logo

history: suddenly hang then try different third person Technician in my country. all are stuck on flashing.


thats why they come to me
to fix the issue and make a discussion what was there wrong.


here my way step by step to fix this kinds issue .

1.try flashing with 1 package file in my windows 7

this times flashing stuck problem face by me as like they said



2.then i log in my windows xp and try to flash with multi package firmware with pit


this time flashing success



then set just hanging on logo

i try to wipe from recovery


see in red color

E: failed to mount /efs (Invalid argument)"

3.so i going to repair Efs

buy odin


here the success




then all is ok just come new problem

imei 0049................

need to repair imei

4.try to root by octopus it is failed



5.then root by kingo root success


6.then try to repair imei by octopus


service imei will not solve the issue


7.then write cert by but not fix imei

----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM1
Selected model: GT-I9300
Detected phone model: GT-I9300
Firmware compiled date: Thu Nov 28 21:07:41 KST 2013
PDA version: I9300XXUGMK6
CSC version: I9300OLBGML1
SW version: I9300DXUGMK1
Phone IMEI: 004999010640000
Phone SN: RF1C966595H
Android version: 4.3 (JSS15J)
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as D:Program FilesOctoplusOctoplus_SamsungBACKUPSecurity-GT-I9300-Unknown15-04-2015_23-46-22-.asec file
Cheking security type...
New security type is detected
Old IMEI: 004999-01-064000-0
New IMEI: 351869-05-000001-0
Repairing IMEI ...
Executing exploit...
Exploit has been executed successfully
Repairing network. Please wait, this can take some time...
Network is successfully repaired
Phone will restart now. Please dont disconnect cable!
IMEI successfully repaired.
To finish the operation, please restart the phone via phones menu (dont disconnect the battery!)


8.then repair EFS

Platform: Samsung Android
Selected port: COM1
Selected model: GT-I9300
To put GT-I9300 into Download Mode, You have to perform the following steps:
1. Reconnect the battery.
2. Press and hold "Volume-" + "Home" + "Power ON" keys.
3. When phone turns on, press "Volume+" key.
Repairing EFS...
Searching for a phone. Please wait...
Phone found.
EFS Repair successfully


10.then write new cert again

Platform: Samsung Android
Selected port: COM1
Selected model: GT-I9300
Selected file: D:Documents and SettingsgsmideazoneMy DocumentsDownloadsCert-GT-I9300_353163052573101_RF1C56RQR9F.cert
Detected phone model: GT-I9300
Firmware compiled date: Thu Nov 28 21:07:41 KST 2013
PDA version: I9300XXUGMK6
CSC version: I9300OLBGML1
SW version: I9300DXUGMK1
Phone IMEI: 004999010640000
Phone SN: 00000000000
Android version: 4.3 (JSS15J)
Checking Root:
Phone is Rooted.
Checking Certificate file...
Certificate file successfully checked
Writing Certificate...
Executing exploit...
Exploit has been executed successfully
Checking for compatible Certificate and phone...
Certificate is correct
Phone will restart now. Please dont disconnect cable!
Certificate has been written successfully
Please, restart the phone to apply changes
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM1
Selected model: GT-I9300
Reading info, please wait...
Proper android device not found. Make shure that "USB debug" option on the device is turned on.
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM1
Selected model: GT-I9300
Reading info, please wait...
Proper android device not found. Make shure that "USB debug" option on the device is turned on.
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM1
Selected model: GT-I9300
Searching for a phone. Please wait...
Phone found.
Proper android device not found. Make shure that "USB debug" option on the device is turned on.
Phone was not found on the selected port!
Searching for USB diagnostic port...
No diagnostic ports found!
Connecting to phone on COM5
Searching for a phone. Please wait...
Phone found.
Firmware compiled date: Thu Nov 28 21:07:41 KST 2013
PDA version: I9300XXUGMK6
CSC version: I9300OLBGML1
SW version: I9300DXUGMK1
Phone IMEI: 353163052573101
Phone SN: 00000000000
Android version: 4.3 (JSS15J)



now imei come and all is well


it is my hard work


hope everyone can fix this issue by this way


thats why post details report here


if my followers getting help from my post
it is my pleasure