safe to go back from 4.3 to 4.1.2?Yes

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Sfuma

Senior Member
May 9, 2014
192
100
from roms based on 4.3 to roms based on 4.1

Guys,

I want install MIUI v5 to my galaxy s3. We know MIUI is based on 4.1 but my galaxy run "revoluzionary s5 ROM" based on 4.3.
I need to downgrade from 4.3 to 4.1 for run miui v5 or simply full wipe and flash? I need to downgrade from 4.3 to 4.1 for all ROMs based on 4.1?

thanks 4reply
 

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  • 2
    Can someone tell me is it safe to go back to 4.1.2 from 4.3?
    Because 4.3 is worst firmware I ever tested,to bugy and lagy.
    Its like 4.0 for xperia ray,now I feel that xperia ray is faster than this peace of sh..t!

    Here is it little tutorial for downgrading if somebody needed:

    1.Backup everything that is important (music,pictures,..)from internal storage to sd card or pc

    2.Backup contacts on sd card

    3.download stock TFT file from this thread http://xdaforums.com/showthread.php?t=2311964 for all version of Sp
    for Sp 5303 I'm using this TFT file https://docs.google.com/file/d/0B7GITlANAsLOTWZnMlVGV2NQdDA/edit?pli=1

    4.flashtool tutorial thanks to mrjraider http://xdaforums.com/showthread.php?t=2658952
    1
    I'm on CE and sometime I feel like it's flying and sometimes it's so slow I don't know why.
    I was flashing 2 times and always is a same.
    I'm getting lots of camera stop,settings stops...
    And what worries me most is heathing of the phone when I'm browsing net
    And I have strange power offs when phone charging.
    None of these happened to me... phone is a lot faster and stabler than with 4.1.2
    It's not the firmwares' problem
    1
    I already downgraded my sp to 4.1.2. With 4.3 it was unresponsive, often freezing, slow opening apps, last night i had to "manually restart phone"(i am not sure how it is called, you open phone and stick pen in little hole until phone restart itself). I used this guide:
    http://xperiafirmware.com/8-firmware/37-sony-xperia-sp-c5303
    So i am on 4.1.2 until new JB update or hopefully KItKat.
    Nama izgleda uvalise neku verziju 4.3 koja ne radi bas najbolje...
    1
    Da se vratim ja svom losem engleskom jos ban da ne dobije.

    Xperia Sp is mid-range phone and it seems like Sony care only about their flagships and that's shame. XSP is great phone it just need nice update to improve camera and fix poor WiFi. I expected a lot from 4.3 and now i am disappointed. I will wait couple more months to see if Sony release new updates to improve camera, fix wifi, fix bravia engine, hopefully release promised KitKat. Then when they officially stop support for xsp i will unlock bootloader install cyanogenmod and i am pretty much happy with that :).
    I am not sure if other manufacturers are better with updates. So next time probably Sony's phone again but only flagship.
    1
    consider to root your SP instead if you really want to find fixes for that.. there is a lot of TUT here to learn and to make improve your phone, why not explore?..