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Hi
my I747M is bricked, im conecte with RIFF box for JTAG. but this box support only I747, is possible to select i747 for unbrick i747M if this is the same firmware ?
Thank you
Any Idea ?
because my I747M is bricked now and i need solution ?
Just for ur information,i just tried my old jtag i've made for my old S1 i9000 on my S3 and it's work.
Sorry, i mean Jig.
Sent from my SGH-I747M using xda app-developers app
jtag =/= jig
jig is small cut USB dongle that puts you in download mode, doesn't magically fix bricked phones.
also there are no phone specific jig , they all the same do same thing , an old jig from GS1 days will do the same thing, if you broke your bootloader jig will not help.
jtag is programming board, service centers have those, some people in repair shops got em also.
ghost77 said:
jtag =/= jig
jig is small cut USB dongle that puts you in download mode, doesn't magically fix bricked phones.
also there are no phone specific jig , they all the same do same thing , an old jig from GS1 days will do the same thing, if you broke your bootloader jig will not help.
jtag is programming board, service centers have those, some people in repair shops got em also.
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Click to collapse
yes im speak for Jtag i have jtag in selection of my Riff box i have I747 but don't I747M, im ask if if i select I747 for unbrick my I747M is done or not ?
Thank you
If you want a JTAG service for your phone I would recommend www.mobiletechvideos.com. I have used them before (not for JTAG service, but other services) and their customer service was excellent!
aeakin said:
If you want a JTAG service for your phone I would recommend . I have used them before (not for JTAG service, but other services) and their customer service was excellent!
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Click to collapse
My problem im outside the USA im from morocco.
i need just information if the I747 firmware is work for I747M ?
Thank you
Well if your phone is bricked , it cant get any worse it might work sufficiently enough for you to get to download mode and flash proper stock rom with odin.
ghost77 said:
Well if your phone is bricked , it cant get any worse it might work sufficiently enough for you to get to download mode and flash proper stock rom with odin.
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Click to collapse
my I747M is don't access to download mode for falsh with original firmware, the last solution is unbrick my phone with JTAG.
But Riff Box is not support I747M but support I747. im select I747 in selection of riff box manager but is don't work.
if any other solution or if this model work the same with other firmware tell me?
or other solution using Riff box for fix this problem ?
Thank you
aimadlol said:
My problem im outside the USA im from morocco.
i need just information if the I747 firmware is work for I747M ?
Thank you
Click to expand...
Click to collapse
Whether it will work or not can't say for sure but the FIRMWARE between the 747 and 747m is DEFINITELY DIFFERENT. its not major difference but different and biggest part is different modem or broad bands which in some cases will brick a phones IMEI# to 0's when wrong firmware is flashed. Hope this helps. In your position its probably worth a shot anyways to get back to basic boot able working order then maybe u can recover from there but as for your question yes the firmwares are different
Sent from my SGH-I747M using xda premium
pchemerys said:
Whether it will work or not can't say for sure but the FIRMWARE between the 747 and 747m is DEFINITELY DIFFERENT. its not major difference but different and biggest part is different modem or broad bands which in some cases will brick a phones IMEI# to 0's when wrong firmware is flashed. Hope this helps. In your position its probably worth a shot anyways to get back to basic boot able working order then maybe u can recover from there but as for your question yes the firmwares are different
Sent from my SGH-I747M using xda premium
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Click to collapse
im flash my I747M with international S3 ROM. now i need to jtag of my I747M in the Riff Box support only I747, my question is if i select I747 in Riff Box is work or not for unbrick my device ??
Thank you
aimadlol said:
im flash my I747M with international S3 ROM. now i need to jtag of my I747M in the Riff Box support only I747, my question is if i select I747 in Riff Box is work or not for unbrick my device ??
Thank you
Click to expand...
Click to collapse
Like I said I can't say for sure for your exact scenario. To unbrick it I would say probably yes and at this point u have little to lose.
Do NOT use i747 to i747M
Do not jtag with RiffBox i747M using i747
EFS will be dead after - NO IMEI
will not even Boot after
Use RiffBox to read from a working one.
Full flesh is the only solution for now.
http://mobiletechvideos.mybigcommerce.com/samsung-galaxy-s-iii/
i can't find H815 MB on the internet and it will cost 240$ to fix it in my country , i found LS991 MB so do you think it will work ?
@foxvb74 - You can do chip reballing. It's much cheaper. You can also try the ILAPO fix with my app:
http://forum.xda-developers.com/g4/development/ilapo-infinite-loop-auto-power-off-fix-t3404421
blueeyeblue said:
@foxvb74 - You can do chip reballing. It's much cheaper. You can also try the ILAPO fix with my app:
http://forum.xda-developers.com/g4/development/ilapo-infinite-loop-auto-power-off-fix-t3404421
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Click to collapse
my g4 cant even boot or do anything its literally died now
I'm thinking to do the same... Did the ls991 works for you?
Zurita23 said:
I'm thinking to do the same... Did the ls991 works for you?
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I know the screens are interchangeable. My ls991 screen is compatible with a bunch of g4s
TheMadScientist420 said:
I know the screens are interchangeable. My ls991 screen is compatible with a bunch of g4s
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Click to collapse
i checked yesterday and my g4 didnt turn on... Ill try to change but I need to wait a month to arrive the new mobo to my country.
Zurita23 said:
i checked yesterday and my g4 didnt turn on... Ill try to change but I need to wait a month to arrive the new mobo to my country.
Click to expand...
Click to collapse
Did it work? I mean, was the ls991 board compatible with the h815?
you can read firmware from lg devices useing many tools and programs (in download mode without root)
you can't flash firmware of other device be careful you gonna damage your device
So my LGG4 is off getting repaired due to the dreaded bootloop issue. Once I have it back I plan on unlocking the Bootloader and rooting again. I have heard issues whereby repaired G4's get the 'DeviceID unmatched' error when applying for a unlock token via the LG website. I understand you can contact LG to get this rectified; however I have found the email from LG I got when I first unlocked the Bootloader, with the unlock.bin file attached.
My question is: Should I run into any DeviceID issues during the unlocking procedure, can I reuse this file to unlock my Bootloader, or do I need to go through the process to get another re-sent? The email details a specific DeviceID so my initial thought is a No, but I did wonder (hope) this number is just used to generate a generic token that is matched via the IMEI? Any help much appreciated.
CyanideJack said:
So my LGG4 is off getting repaired due to the dreaded bootloop issue. Once I have it back I plan on unlocking the Bootloader and rooting again. I have heard issues whereby repaired G4's get the 'DeviceID unmatched' error when applying for a unlock token via the LG website. I understand you can contact LG to get this rectified; however I have found the email from LG I got when I first unlocked the Bootloader, with the unlock.bin file attached.
My question is: Should I run into any DeviceID issues during the unlocking procedure, can I reuse this file to unlock my Bootloader, or do I need to go through the process to get another re-sent? The email details a specific DeviceID so my initial thought is a No, but I did wonder (hope) this number is just used to generate a generic token that is matched via the IMEI? Any help much appreciated.
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Click to collapse
u have to update with lg as the device id will be diffrent u have to let them know that u sent it in for repair and need ure device id updated in there systems
TheMadScientist420 said:
u have to update with lg as the device id will be diffrent u have to let them know that u sent it in for repair and need ure device id updated in there systems
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Click to collapse
As I suspected, thank you.
CyanideJack said:
As I suspected, thank you.
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Click to collapse
Lol only reason i knew is cause i came across sam prob a few times now as u can suspect. Ive never heard of any problems with anyone and lg doing this. Should be pretty straight foward. Call em. Might have to goto a higher level of tech service not sure
Im just assuming standard support level is not very supportive lol.
This depends on how they fix your device.
Carphone Warehouse in the UK fixed mine by swapping the mainboard to a 701,
They did not tamper with the IMEI or Device ID's on the replacement board and swapped the sticker under my battery cover to reflect the new details.
I did not need to contact LG as i just requested an unlock for the new IMEI and Device ID Pair.
Hope you get sorted
OllieD said:
This depends on how they fix your device.
Carphone Warehouse in the UK fixed mine by swapping the mainboard to a 701,
They did not tamper with the IMEI or Device ID's on the replacement board and swapped the sticker under my battery cover to reflect the new details.
I did not need to contact LG as i just requested an unlock for the new IMEI and Device ID Pair.
Hope you get sorted
Click to expand...
Click to collapse
i was assuming lg done his i didnt even know aftermarket companys did the repair authorized of coarse
they had to pull the device id off of the old one and program it to the new one so technicly they did tamper with it
they may have been able to pull the info from the imei i dont know but my note 5s device id changes from rom to rom sometimes and i have to update it with the company who unlocked it so it holds same imei
just trying to wrap my head around how they got uree bootlooped devices id as it can be changed even if iemi stays the same
TheMadScientist420 said:
i was assuming lg done his i didnt even know aftermarket companys did the repair authorized of coarse
they had to pull the device id off of the old one and program it to the new one so technicly they did tamper with it
they may have been able to pull the info from the imei i dont know but my note 5s device id changes from rom to rom sometimes and i have to update it with the company who unlocked it so it holds same imei
just trying to wrap my head around how they got uree bootlooped devices id as it can be changed even if iemi stays the same
Click to expand...
Click to collapse
I got a new IMEI and Device ID and just went through the unlock proceedure again with this new info.
Thats what i meant by them not tampering with it, I got a new device with my old casing/screen.
They did not transfer my IMEI or Device ID to the new board.
CPW are authorised on behalf of LG to repair the device and since i bought it from them it was easier/safer for me to take it into a store.
OllieD said:
I got a new IMEI and Device ID and just went through the unlock proceedure again with this new info.
Thats what i meant by them not tampering with it, I got a new device with my old casing/screen.
They did not transfer my IMEI or Device ID to the new board.
CPW are authorised on behalf of LG to repair the device and since i bought it from them it was easier/safer for me to take it into a store.
Click to expand...
Click to collapse
Lol i see now.
Hi
I bought the used g4 two days back. In the about section its showing h815 model with android 5(lollipop).
I updated it to marshmellow using LgUp and lg firmware. But after upgrading sim is not working . I reverted back to lollipop and still sim not working.
After not finding any solution i went to the technician , he found the board inside is of h810(at&t) model. While the software is showing h815.
So anyone of you know how to solve this problem. Sim was working before perfectly.
ahsan64 said:
Hi
I bought the used g4 two days back. In the about section its showing h815 model with android 5(lollipop).
I updated it to marshmellow using LgUp and lg firmware. But after upgrading sim is not working . I reverted back to lollipop and still sim not working.
After not finding any solution i went to the technician , he found the board inside is of h810(at&t) model. While the software is showing h815.
So anyone of you know how to solve this problem. Sim was working before perfectly.
Click to expand...
Click to collapse
Maybe flash a h810 at&t ROM. Verify the actual model of the phone by removing the back cover and looking for h815 or h810. It's also possible you have a h810 motherboard in a h815 shell.
htr5 said:
Maybe flash a h810 at&t ROM. Verify the actual model of the phone by removing the back cover and looking for h815 or h810. It's also possible you have a h810 motherboard in a h815 shell.
Click to expand...
Click to collapse
On board h810 is written. But software showing h815 model. Any idea..?
I believe this is a dodgy repair. As htr5 suggested, I would try an H810 kdz.
I have skimmed over these issues a few times but taken no real notice as I just keep repairing mine through carrier insurance every time I get the bootloop.
Is your IMEI still showing *#06# if sim not recognised now?
SavageRobot said:
I believe this is a dodgy repair. As htr5 suggested, I would try an H810 kdz.
I have skimmed over these issues a few times but taken no real notice as I just keep repairing mine through carrier insurance every time I get the bootloop.
Is your IMEI still showing *#06# if sim not recognised now?
Click to expand...
Click to collapse
Yes imei is showing. As currently the phone is running h815 software. If i flash 810 kdz through flash tool , will it cause any problem or brick ..?
ahsan64 said:
Yes imei is showing. As currently the phone is running h815 software. If i flash 810 kdz through flash tool , will it cause any problem or brick ..?
Click to expand...
Click to collapse
Great idea from SavageRobot. Type your IMEI number into http://www.imeipro.info/check_lg.html and it should pull up your phone's model number
I have seen this issue a bunch specially here lately people piecing g4s together.
Flashing diffrent firms crossin.
Go off the imei. This is always real touchy. Cause of cross flashing and bricking. To completly verify. Check imei and pull back of case apart and look at any model nums on the motherboard
htr5 said:
Great idea from SavageRobot. Type your IMEI number into http://www.imeipro.info/check_lg.html and it should pull up your phone's model number
Click to expand...
Click to collapse
TheMadScientist420 said:
I have seen this issue a bunch specially here lately people piecing g4s together.
Flashing diffrent firms crossin.
Go off the imei. This is always real touchy. Cause of cross flashing and bricking. To completly verify. Check imei and pull back of case apart and look at any model nums on the motherboard
Click to expand...
Click to collapse
I checked the model with imei. Its showing h812(canada version).
Software h815, board h810 and imei showing h812.
Totally screwed..!! Lol..
ahsan64 said:
I checked the model with imei. Its showing h812(canada version).
Software h815, board h810 and imei showing h812.
Totally screwed..!! Lol..
Click to expand...
Click to collapse
A mutt
I have seen a few people with this problem. One such post suggests to take the phone apart and look at the motherboard. Whatever model is on the motherboard is the one to go with
SavageRobot said:
I have seen a few people with this problem. One such post suggests to take the phone apart and look at the motherboard. Whatever model is on the motherboard is the one to go with
Click to expand...
Click to collapse
Thanks..
one thing will phone brick if i used firmware.kdz of different model ..? Or it is safe ..?
ahsan64 said:
Thanks..
one thing will phone brick if i used firmware.kdz of different model ..? Or it is safe ..?
Click to expand...
Click to collapse
It could brick. Just depends on how and what ure flashing. My old g2 was a sprint varient with a tmobile setup on it. And when i try to restore with flashtool it would just fail and give me a cross dl error. Again real tou hy situation
As you have read in the FAQ sometimes when you send your phone away to be repaired (under warranty in my case) you may get your phone back where what is flashed on it does not match the actual hardware. In my case the motherboard was an H810 and the software claimed it was an H812, even SALT thought it was an H812.
Well the good news is just flash on what your motherboard says it is. In my case the H810 unlock and roms both work great. Everything except for the flashlight works but that is a known problem with the LineageOS 15.1 rom as of writing this. The phone has been in use for over a week with no freakouts, reboots, excessive battery drain, overheating or otherwise.
REMEMBER! caveat emptor, this worked for me and might not for you!
TL;DR you should disassemble your phone and make sure the hardware matches up to what you are using to root it with. And also make damn sure you carrier unlock it first before flashing on a custom rom. The custom roms will not carrier unlock your phone and in my case claim to be successful and fail silently.
One additional thing to note here, I do not know if this was incorrectly flashed by the tech or if putting on the H812 rom was intentional. I did not use the stock phone whatsoever so I do not know if all the hardware (calls/camera/flashlight/etc) even worked properly.
@steadfasterX per request.
Hi, I too have a frankenstein h810 device, but I only realized it after I unlocked flashed a custom rom and everything. I bricked the phone, but I'm using the sd card unbrick method to run the phone. With that said, you mentioned to use h810 files and everything should work fine. I've tried that, but with little success. Either there would be no sound or LTE or no video. I'm currently running h812 roms/modems and my lte does not work and my battery performance is less than stellar.
My question is, what are the current builds of the files are you using? Also, what can I do to unlock my phone? I got the code, but it does not work and you mentioned that its best to unlock the phone before installing custom roms.
One last tidbit, when I go into download mode and try to use LGUP to unbrick the phone, it says my device model is unknown. Is this something to do with the frankenstein motherboard?
Thank you
I have a 810 board flashed with 811 software
Currently using resurrection remix
deltadiesel said:
I have a 810 board flashed with 811 software
Currently using resurrection remix
Click to expand...
Click to collapse
Is that with 811 modem as well as kernel and USU unlock?
Hotdogint said:
Is that with 811 modem as well as kernel and USU unlock?
Click to expand...
Click to collapse
811 modem and kernel
Regular unlock. It came branded as a 811 even though motherboard us 810
deltadiesel said:
811 modem and kernel
Regular unlock. It came branded as a 811 even though motherboard us 810
Click to expand...
Click to collapse
Would you be able to provide a link to those files? SteadfasterX's download server does not seem to have them.
Thank you for your help
Hotdogint said:
Would you be able to provide a link to those files? SteadfasterX's download server does not seem to have them.
Thank you for your help
Click to expand...
Click to collapse
You mean 20v T-Mobile 811. Kdz ?
deltadiesel said:
You mean 20v T-Mobile 811. Kdz ?
Click to expand...
Click to collapse
Is that where you got the files? Then I can just extract them from a stock KDZ from the internet myself. I'm wondering if there is anything I can do to unbrick my phone. LGUP cannot recognize my phone model while it is in download mode. Even salt is all over the place with its information. I bricked the phone a while back so I forgot exactly how I did it in the first place.
Hotdogint said:
Is that where you got the files? Then I can just extract them from a stock KDZ from the internet myself. I'm wondering if there is anything I can do to unbrick my phone. LGUP cannot recognize my phone model while it is in download mode. Even salt is all over the place with its information. I bricked the phone a while back so I forgot exactly how I did it in the first place.
Click to expand...
Click to collapse
Sorry I thought you could flash kez with LGUP. If your phone isn't being recognized in download mode I'd contact steadfasterx for a solution
I'm not sure what to do in that situation
deltadiesel said:
Sorry I thought you could flash kez with LGUP. If your phone isn't being recognized in download mode I'd contact steadfasterx for a solution
I'm not sure what to do in that situation
Click to expand...
Click to collapse
Ok, I managed to get LGUP running with an edit to the build.prop of the device. LGUP says the phone version is H81220x. I checked the motherboard and it is the same model as baconbacon's LGG4, h810. What are my choices on flashing a proper KDZ? I've read certain things about ARB, but I'm not 100% sure how it works. Looking at the LGUP tool, it wants to select a .tot file. Any suggestions?
Hotdogint said:
Ok, I managed to get LGUP running with an edit to the build.prop of the device. LGUP says the phone version is H81220x. I checked the motherboard and it is the same model as baconbacon's LGG4, h810. What are my choices on flashing a proper KDZ? I've read certain things about ARB, but I'm not 100% sure how it works. Looking at the LGUP tool, it wants to select a .tot file. Any suggestions?
Click to expand...
Click to collapse
When your phone was working properly what software did it come with 810? 812,?
deltadiesel said:
When your phone was working properly what software did it come with 810? 812,?
Click to expand...
Click to collapse
It was running 812 software.
Hotdogint said:
It was running 812 software.
Click to expand...
Click to collapse
You should be able to.flash 812 software on it then. Google 20v kdz for 812 and flash it with lg up. If .kdz extension isn't available select refurbish....it can be tricky but eventually it will give you option to flash kdz
My phone is a 810 with 811 software. So when I used lg up I flashed it back to 811
deltadiesel said:
You should be able to.flash 812 software on it then. Google 20v kdz for 812 and flash it with lg up. If .kdz extension isn't available select refurbish....it can be tricky but eventually it will give you option to flash kdz
My phone is a 810 with 811 software. So when I used lg up I flashed it back to 811
Click to expand...
Click to collapse
Should I do 20z? Apparently 20z is for Rogers, which is the carrier the device is with.
Hotdogint said:
Should I do 20z? Apparently 20z is for Rogers, which is the carrier the device is with.
Click to expand...
Click to collapse
Yes that will work
deltadiesel said:
Yes that will work
Click to expand...
Click to collapse
And from there I can flash the RR rom then 29a modem, h812 baseband and I should be gravy?
Hotdogint said:
And from there I can flash the RR rom then 29a modem, h812 baseband and I should be gravy?
Click to expand...
Click to collapse
Yes from there you will need to install twrp custom recovery followed by ROM.of your choice.
Go ahead and flask the 20z 812 kdz first. See how it goes
deltadiesel said:
Yes from there you will need to install twrp custom recovery followed by ROM.of your choice.
Go ahead and flask the 20z 812 kdz first. See how it goes
Click to expand...
Click to collapse
Flashed the phone and LGUP says it was rebooting the phone but it never did. Now nothing comes up, not even when the sd card is installed. The only feedback I get from the phone is when it initially opened it vibrates, but no screen nor recognized in windows.
Hotdogint said:
Flashed the phone and LGUP says it was rebooting the phone but it never did. Now nothing comes up, not even when the sd card is installed. The only feedback I get from the phone is when it initially opened it vibrates, but no screen nor recognized in windows.
Click to expand...
Click to collapse
Are you able to go back to download mode?
deltadiesel said:
Are you able to go back to download mode?
Click to expand...
Click to collapse
Nope