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[Completed] Downgrade samsung galaxy5 version 5 to 4.4

Hello
I would like to downgrade my Samsung galaxy 5 g900a from Android version 5 to 4.4.
I tried a lot but without success, any help.
Please, kindly note that the Android version is 5 and Baeband version G900AUCU3BOC4.

Lollipop or Marshmallow for Samsung Galaxy Win GT-I8550L?

Hi, does anyone know if there is any custom ROM with Android 5 or 6 for this phone? Thank you.

anyone?

how root android 8

hello please help me i want root my galaxy s7 in android 8 . thank you

Re android on tab T520 or tab pro 4 10.1

Hi
Sir/mar
I would like to update old android to 7.1 or8.0 Oreo on those tablet on tablet sm-t52 or Samsung tap 7.0 7 inch Galaxy tap 2 GT-P3110
With google play
What rom is the best?
If I can have any help with that would be great
Hope to hear back from any developers that have done this
Thank you Oliver

Re
Can someone help me on this please

Downgrade from android 11 to 10

Hi all
Is it possible to downgrade and remove any reminder of upgrading a Android 11 to 10.
This would be done on one of the following devices
Samsung Galaxy A50
Samsung Galaxy A70
Samsung Galaxy A71
I'm based in Portugal so if someone is willing to do this remotely I'm prepared to pay an agreed price to do this.
Thanks in advance.
rfsimoes