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[Q] Reviving my SGS4 i9505

I flashed the leaked 4.4.2 from samobile and all went well. I then tried to flash (with odin 3.09) the latest TWRP to afterwards flash the latest Echoe ROM and during that flashing I inadvertently disconnected my phone. It now comes up with the 'Firmware update failed, please restore with KIES' message and
'write protection enabled'. Trying to flash *any* other ROM fails with 'write failed'. Is there a way to get my phone working again, and if yes, how?
Thanks in advance
Philipp

[GUIDE] Downgrading I9500 from 5.0.1 to 4.4.2 without losing IMEI number.

Hello guys! I have seen many of you complaining about Lollipop update 5.0.1 for various reasons (battery, heat,etc) but I never faced such! I was happy with 5.0.1 update until I rooted and saw that Xposed Framework wasn't compatible with it! Also many of you guys have tried to downgrade it but lost their IMEI number or nulled it to be more specific and so did I. I tried to flash different modems but nothing worked.
NOTE: This is for I9500 only and I haven't tested this on other variants. So I am not responsible for any of the damage to your phones and your curses
Requirements : KK 4.4.2 firmware.(mine was: I9500XXUFNI2_I9500ODDFNI1_INU)
Lollipop 5.0.1 firmware.(mine was: I9500XXUHOAA_I9500ODDHOA2_INS)
Odin_v3.09.
7-zip.
Following these steps you'll successfully downgrade to 4.4.2
1) - Boot into RECOVERY (custom/stock) and wipe data reset.
2)- Now boot into DOWNLOAD mode (volume down + power + menu)
3)-Assuming that you have your usb drivers installed connect your phone to PC and open Odin_v3.09.
4)-Flash KitKat 4.4.2 firmware from AP.
5)-After Odin gives a PASS and your phone restarts and after completing the initialization you can see that your IMEI is nulled.
6)-Now use 7zip to open the 5.0.1 firmware .tar.md5 file and extract the MODEM.bin file from the same.
7-)Turn off your phone and boot into DOWNLOAD mode and connect your phone to PC, run Odin and flash this MODEM.bin from CP.
After successful flashing your phone will reboot and you will see that you have your IMEI number and your I9500 will be on your preferred network.
BUT the BASEBAND version will be of Lollipops firmware as we flashed its modem.
Tested and working on my I9500 with INS/INU firmware.
Thankyou and All the best!
Hit thanx if helped!

Mandark52 said:
Hello guys! I have seen many of you complaining about Lollipop update 5.0.1 for various reasons (battery, heat,etc) but I never faced such! I was happy with 5.0.1 update until I rooted and saw that Xposed Framework wasn't compatible with it! Also many of you guys have tried to downgrade it but lost their IMEI number or nulled it to be more specific and so did I. I tried to flash different modems but nothing worked.
NOTE: This is for I9500 only and I haven't tested this on other variants. So I am not responsible for any of the damage to your phones and your curses
Requirements : KK 4.4.2 firmware.(mine was: I9500XXUFNI2_I9500ODDFNI1_INU)
Lollipop 5.0.1 firmware.(mine was: I9500XXUHOAA_I9500ODDHOA2_INS)
Odin_v3.09.
7-zip.
Following these steps you'll successfully downgrade to 4.4.2
1) - Boot into RECOVERY (custom/stock) and wipe data reset.
2)- Now boot into DOWNLOAD mode (volume down + power + menu)
3)-Assuming that you have your usb drivers installed connect your phone to PC and open Odin_v3.09.
4)-Flash KitKat 4.4.2 firmware from AP.
5)-After Odin gives a PASS and your phone restarts and after completing the initialization you can see that your IMEI is nulled.
6)-Now use 7zip to open the 5.0.1 firmware .tar.md5 file and extract the MODEM.bin file from the same.
7-)Turn off your phone and boot into DOWNLOAD mode and connect your phone to PC, run Odin and flash this MODEM.bin from CP.
After successful flashing your phone will reboot and you will see that you have your IMEI number and your I9500 will be on your preferred network.
BUT the BASEBAND version will be of Lollipops firmware as we flashed its modem.
Tested and working on my I9500 with INS/INU firmware.
Thankyou and All the best!
Hit thanx if helped!
Click to expand...
Click to collapse
Tnx Bro .. Its working fine now , I was searching for a solution for IMEI number "Null/null" after downgrading :laugh:

hariprasad022 said:
Tnx Bro .. Its working fine now , I was searching for a solution for IMEI number "Null/null" after downgrading :laugh:
Click to expand...
Click to collapse
Glad I helped you!

i dont have modem.bin on my folder
coz i'm used leaked chinese version
where i can download that file and can i use this method if i want install KK 4.4.2 from another country ?

Mod Edit
there is already a thread on this:
http://forum.xda-developers.com/galaxy-s4/general/i9500-easy-to-downgrade-official-t3036258
Thread closed
malybru
Forum Moderator

Firmware issues while I was trying to downgrade from LP to KK SM-N915a

Hey guys,
I was trying to downgrade through Odin 3.10 from lollipop to Kit Kat and when System4 was being pushed Odin failed and I received a message that said sys rev check fails : refer 2 > Binary 1 and emergency firmware recovery now shows when I restart my phone. I have tried to use Kies 3 to recover my firmware but it fails with
sw rev check fail: [aboot]Fused 2 > Binary 1
[1]eMMC write fail: ABOOT
what can I do to fix this?

Reflash stock md5 from sammobile

Ickyz said:
Reflash stock md5 from sammobile
Click to expand...
Click to collapse
I've tried using Odin and flashing the AP file of both N915AUCU1BOC6 and N915AUCU1ANK2 and that does not seem to work at all. Plus kies is still not helping

okay will try that tomorrow, download takes a few hours ...
thanks

worked, everything is back to normal. thanks

Samsung closed the backdoor to being able to completely retrograde all the way back to the first original factory firmware that came preinstalled on the Edge (ANY OF THEM) if you took the update from 4.4.4 or 5.0.1 to 5.1.1 then you're S.O.L. on getting back to 4.4.4 as 5.1.1 patched any eligible way to fully revert to the earliest factory rom version....
I found this out the hard way when I played around for roughly 48hr's trying to figure out how to get a LP Edge back down to KK only way possible was to downgrade was to get on LP load custom recovery flash custom KK rom and then flash a KK supported kernel, if I didn't flash the kernel it'd be super sticky bugworthy lag almost none of the function switches were working properly, data wasn't connecting correctly and there was no way of turning on wifi at all really without a supported KK Kernel then all the bugs and stickiness of the rom and switches went right away.

Can't flash firmware

So,
Today I flashed the UK BTU firmware (G920FXXU3COI9). However, when I extracted the file it had 4 files for AP, BL, CP AND CSC so I used them all. However, now I can't go back to my previous firmware (G920FXXU2COH5) because when I try flashing it with Odin it says on the phone: sw rev check fail.
I want to go back to this firmware because I have a Nandroid backup with all my stuff and it doesn't work when i try to restore it on the new firmware. Can you help me with the right file to flash? Do I need the CSC file of the old firmware as well? Can you help me please?

How to fix system rev. check fail device: 2 binary 1 error when flashing a custom 5.1.1 ROM
If this error has appeared after flashing the new Bootloader and Modem for BOFJ
Download this: https://mega.co.nz/#!E05hTYaS!_vad3fvvKCwWiMmgWGrGgc69KYdgYRa1wFCmxYzwH3s
(Stock 5.1.1)
Once installed and passed with ODIN (Flash as AP)
Power off the phone and boot into download mode
Once in download mode flash the latest TWRP 2.8.7.1
http://forum.xda-developers.com/showpost.php?p=61548356&postcount=570
After flashed you'll be able to boot into recovery and flash your custom ROM ​
This post was taken from this thread

$tefanDroid said:
How to fix system rev. check fail device: 2 binary 1 error when flashing a custom 5.1.1 ROM
If this error has appeared after flashing the new Bootloader and Modem for BOFJ
Download this: https://mega.co.nz/#!E05hTYaS!_vad3fvvKCwWiMmgWGrGgc69KYdgYRa1wFCmxYzwH3s
(Stock 5.1.1)
Once installed and passed with ODIN (Flash as AP)
Power off the phone and boot into download mode
Once in download mode flash the latest TWRP 2.8.7.1
http://forum.xda-developers.com/showpost.php?p=61548356&postcount=570
After flashed you'll be able to boot into recovery and flash your custom ROM ​
This post was taken from this thread
Click to expand...
Click to collapse
Yeah I saw that, but the Mega download link is invalid

Merry Xmas to all
I have an g920i not rooted , flashed a TTT firmware 5.1.1. (trinidad and tobago) and now the phone cant get 4G networks
all seem to look fine but there is no way to flash an previous 5.1.1. firmware (Mexico TCE) which has the 4G running smooth
Odin pops an NAND write fail error, and i cant get beyond that point
any ideas?

Downgrade to lollipop

Any way to Downgrade to lollipop
i tried to flash lollipop by odin but fail
My phone : j700f

Hi.
This is is what I did.
Install TWRP, if you haven't, then install a CUSTOM lollipop ROM from this forum.
If you want stock lollipop, flash it via Odin - after flashing the custom lollipop ROM.
Good luck!

Not working

first flash stock MM then flash stock LL then flash custom LL

Try it again, and make sure that the auto reboot box and F.reset time box is checked in Odin Options

Make sure you flash your country frimware. Else it will fail in odin. And use latest odin.

Bro you need to download latest lollipop firmware
I had the same problem and it was solved by fresh firmware of latest date
Goodluck ?
Sent from my SM-G935F using Tapatalk

WHen I try to downgrade using odin I got error that "NAND Write Start!"
how I can fix???