error flashing ftf files

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mr.phantom

Senior Member
Oct 15, 2012
451
412
26
Chandigarh
ashishbansal.in
Friends i am new to flashing roms on sony mobiles and i am not able to flash the ftf file using flash tool.....:crying::crying:

This is what i have done:
0.Sony Official 4.2.2
1.Unlocked bootloader first time using sony official bootloader unlocking method
2.Got boot loop [sony's wave boot animation was looping]
3.So i flashed N-kernel from fast boot mode by which i got cwm working and then searched for CM based stable rom which can be flashed through CWM but none of them were stable
4.So i wiped data/cache from cwm and when clicked for reboot system ,it asked me for rooting the device , i clicked yes
5.Then i tried to flash stock rom using flash tool in linux but i got this error
27/024/2013 00:24:17 - INFO - <- This level is successfully initialized
27/024/2013 00:24:17 - INFO - Flashtool Version 0.9.13.0 built on 2013-06-04 22:50:00
27/024/2013 00:24:17 - INFO - libusb version 1.0.17
27/024/2013 00:24:18 - INFO - Device disconnected
27/026/2013 00:26:21 - INFO - Selected C2105 / 15.0.A.2.17 / 1272-2166_R3A
27/026/2013 00:26:21 - INFO - Preparing files for flashing
27/026/2013 00:26:53 - INFO - Please connect your device into flashmode.
27/027/2013 00:27:14 - INFO - Device connected in flash mode
27/027/2013 00:27:14 - INFO - Opening device for R/W
27/027/2013 00:27:17 - INFO - Device ready for R/W.
27/027/2013 00:27:17 - INFO - Reading device information
27/027/2013 00:27:17 - INFO - Unable to read from phone after having opened it.
27/027/2013 00:27:17 - INFO - trying to continue anyway
27/027/2013 00:27:17 - INFO - Start Flashing
27/027/2013 00:27:17 - INFO - Processing loader.sin
27/027/2013 00:27:17 - INFO - Checking header
27/027/2013 00:27:17 - INFO - Ending flash session
27/027/2013 00:27:17 - ERROR - S1 Header checksum Error
27/027/2013 00:27:17 - ERROR - Error flashing. Aborted
27/027/2013 00:27:19 - INFO - Device connected in flash mode

I also tried to install it from windows 7 and got this

27/024/2013 00:24:17 - INFO - Flashtool Version 0.9(Something....)
27/024/2013 00:24:18 - INFO - Device disconnected
27/026/2013 00:26:21 - INFO - Selected C2105 / 15.0.A.2.17 / 1272-2166_R3A
27/026/2013 00:26:21 - INFO - Preparing files for flashing
27/026/2013 00:26:53 - INFO - Please connect your device into flashmode.
27/027/2013 00:27:14 - INFO - Device connected in flash mode
27/027/2013 00:27:14 - INFO - Opening device for R/W
27/027/2013 00:27:17 - INFO - Device ready for R/W.
27/027/2013 00:27:17 - INFO - Reading device information
27/027/2013 00:27:17 - INFO - Unable to read from phone after having opened it.
27/027/2013 00:27:17 - INFO - trying to continue anyway
27/027/2013 00:27:17 - INFO - Start Flashing
27/027/2013 00:27:17 - INFO - Processing loader.sin

apart from this i also have tried to flash C2105_15.3.A.0.26_CE firmware but still got same error!!!

Friends pls help me :crying:
 

faizur1999

Senior Member
Nov 26, 2013
69
82
kota kinabalu
Friends i am new to flashing roms on sony mobiles and i am not able to flash the ftf file using flash tool.....:crying::crying:

This is what i have done:
0.Sony Official 4.2.2
1.Unlocked bootloader first time using sony official bootloader unlocking method
2.Got boot loop [sony's wave boot animation was looping]
3.So i flashed N-kernel from fast boot mode by which i got cwm working and then searched for CM based stable rom which can be flashed through CWM but none of them were stable
4.So i wiped data/cache from cwm and when clicked for reboot system ,it asked me for rooting the device , i clicked yes
5.Then i tried to flash stock rom using flash tool in linux but i got this error


I also tried to install it from windows 7 and got this



apart from this i also have tried to flash C2105_15.3.A.0.26_CE firmware but still got same error!!!

Friends pls help me :crying:

try to update your phone using sony pc companion
 

jokerpappu

Senior Member
Sep 24, 2013
1,719
593
kathmandu
Sony Xperia L
LG G3
i have the same problem like urs.before the flashtool finishes preparing files for flashing keep ur phone in flashmode.dont use flashmode after the flastool tells u to go to flasmode therwise u will hav same prob.its hard coz flashmode keep going off before the files get ready to flash so i suggest u after u hav selected to flash the firmware wait for 1 minute 15 second then connect ur phone to flashmode then see.i think it will work
 
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jokerpappu

Senior Member
Sep 24, 2013
1,719
593
kathmandu
Sony Xperia L
LG G3
I think it may work
But pls explain me step by step what should I do!!
Wait for some time when the flash tool asks me to insert device or what??
Thanks for the reply :)

Sent from my GT-I9082 using xda premium


after u choose the firmware u want to install the flashtool will show u preparing files for flashing at that time after a minute only then connect ur mobile in flashmode before the flashtool tells u to go to flashmode ok.it will surely work coz u and i have the same problem
 

jokerpappu

Senior Member
Sep 24, 2013
1,719
593
kathmandu
Sony Xperia L
LG G3


its the same steps that u used to unlock ur bootloader from flashtool.open flashtool join ur device in mtp mode then click BLU in flashtool and then enter the code for unlocking the bootloader then it will ask show u if u want to relock bootloader then click relock then it will ask u to go in flashmode then its done.its very easy
 

mr.phantom

Senior Member
Oct 15, 2012
451
412
26
Chandigarh
ashishbansal.in
its the same steps that u used to unlock ur bootloader from flashtool.open flashtool join ur device in mtp mode then click BLU in flashtool and then enter the code for unlocking the bootloader then it will ask show u if u want to relock bootloader then click relock then it will ask u to go in flashmode then its done.its very easy

i have unlocked it using adb by sony official bootloader unlocking method
 

jokerpappu

Senior Member
Sep 24, 2013
1,719
593
kathmandu
Sony Xperia L
LG G3
i have unlocked it using adb by sony official bootloader unlocking method


first copy the code that was given to u by sony for unlocking bootloader.then connect ur mobile to computer.then open flashtool and click BLU dats beside the flash icon.then it will tell u to go in flashmode and after that it will ask u for the code.paste it then click relock and ur done.its simple ok.bt i guess my english bad .sorry
 
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mr.phantom

Senior Member
Oct 15, 2012
451
412
26
Chandigarh
ashishbansal.in
first copy the code that was given to u by sony for unlocking bootloader.then connect ur mobile to computer.then open flashtool and click BLU dats beside the flash icon.then it will tell u to go in flashmode and after that it will ask u for the code.paste it then click relock and ur done.its simple ok.bt i guess my english bad .sorry


it already have tried it
it shows that official unlocking bootloader is not supported by the device. I think its showing this because i have unlocked bootloader by another method
btw would u pls upload cwm backup of ur rom ??
 

jokerpappu

Senior Member
Sep 24, 2013
1,719
593
kathmandu
Sony Xperia L
LG G3
it already have tried it
it shows that official unlocking bootloader is not supported by the device. I think its showing this because i have unlocked bootloader by another method
btw would u pls upload cwm backup of ur rom ??


it would take alot of time for that coz backup is alomost a 1 gb or 800mb minimum and my net is slow.i will try uploading it.can u wait for sometime???
 
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  • 1
    i have the same problem like urs.before the flashtool finishes preparing files for flashing keep ur phone in flashmode.dont use flashmode after the flastool tells u to go to flasmode therwise u will hav same prob.its hard coz flashmode keep going off before the files get ready to flash so i suggest u after u hav selected to flash the firmware wait for 1 minute 15 second then connect ur phone to flashmode then see.i think it will work
    1
    i have unlocked it using adb by sony official bootloader unlocking method


    first copy the code that was given to u by sony for unlocking bootloader.then connect ur mobile to computer.then open flashtool and click BLU dats beside the flash icon.then it will tell u to go in flashmode and after that it will ask u for the code.paste it then click relock and ur done.its simple ok.bt i guess my english bad .sorry
    1
    it already have tried it
    it shows that official unlocking bootloader is not supported by the device. I think its showing this because i have unlocked bootloader by another method
    btw would u pls upload cwm backup of ur rom ??


    it would take alot of time for that coz backup is alomost a 1 gb or 800mb minimum and my net is slow.i will try uploading it.can u wait for sometime???
    1
    ok i will wait for it
    expected time??
    actually the phone is not mine.it's my friend's phone and he needs the phone asap.


    well i dont know how much time it will take to upload so dont know the exact time sorry
    1
    ok. pls try to upload asap
    and which rom and kernel you are using??
    i have read that kernel must be same on both devices
    So i will change mine kernel.

    kernel is vengeance kernel.rom is jb 4.2.2 stock.i will upload a new flashed rom so dat it wud b of low mb wen doing backup and also it will b faster to upload