Help Need help to downgrade my Galaxy 551

BmxRacer4 · Apr 15, 2012

Hey, I flashed euro 2.3.6 on my north amercian galaxy 551 and now having issues with my texts not sending unless I pull out the battery and sim card or turn on flight mode. I want to downgrade back to 2.2.2 KC5 build, But don't know how

Thanks,
Tony

karandpr · Apr 15, 2012

I dont know if the KC5 has the amss file required to restore prior functionality .
In any case ,you need a Stock European Froyo ROM ,specifically ,the

I5510XWKD4 firmware since it is the only FW with Froyo Bootloader .

You will need to flash KC5 firmware over the KD1 .
That is two flashes in total

Check the link below for Firmwares
SamMobile Firmware Page

KD1 is under Smartphone-->Android-->GTI5510-->Europe

KC5 is under Smartphone-->Android-->GTI5510M-->America (North)

Order of flashing
First Flash KD1 then KC1

just curious ,can you tell me which FW do you have right now . XEO-KPG had the least problems . All others are touch and go .

Cheers !!

BmxRacer4 · Apr 15, 2012

I was using the KPG build, And thanks for the help and I can just use odin to flash the Firmware on right

Thanks,
Tony

karandpr · Apr 16, 2012

Yeah use odin to flash back to froyo

BmxRacer4 · Apr 16, 2012

OK, I did everything exactly how you said and my phone is no Bricked (black screen) I put into download mode, opened my ops and clicked one package put in the euro froyo and pressed start and Waited 10 mins and it said passed but would not boot

Now I need to unbrick it

karandpr · Apr 17, 2012

European ROMs are not One package ROMs

There are four files ,PDA,CSC,,PHONE,BOOTLOADER .Try again with all four files

BmxRacer4 · Apr 17, 2012

How do I get those files then? and I unbricked it and put 2.3.6 on for temp

karandpr · Apr 17, 2012

Here you go ...
Hotfile.com: One click file hosting: I5510XWKD4.zip

Dont use CSC btw . Just PDA,PHONE and BOOT.

BmxRacer4 · Apr 17, 2012

Thank you so much, I do it later tonight

BmxRacer4 · Apr 17, 2012

Thank You So Much It Worked

, I am back on 2.2.2 KC5 build

rdenheijer · Jul 22, 2012

can someone pls explain how it worked bcos i did exactly what it say but for somereason it diesnt i have both image and now bcos i have the same problem when i downgrade to froyo 2,2 i have an gt-i5510m i want to go back to original stock rom bcos gps doesnt work after downgrading my phone is black to so what do i ahve to do to go back to original froyo 2.2?

harsh007 · Jan 30, 2013

hii
i have same problem i want to downgrade my GT-I5510 from 2.3.6 to 2.2
i m from India plzz help me

Help Need help to downgrade my Galaxy 551

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