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Flash a tar md5 with TWRP

Léo555 Posted messages 121 Status Member -  
 mikaelac -
Hello, I have a Samsung Galaxy S3 with Cyanogenmod 12.1 and TWRP, and I want to switch back to an official Samsung ROM. I have downloaded the ZIP file of the ROM, but I have some questions:

- The ZIP only contains a .tar.md5 file (unlike the CM one which contains subfolders and other files); will I be able to flash it with TWRP (since I don't have a PC handy, so no Odin)?

- Will reverting to an official firmware remove ROOT access and the TWRP custom recovery?

If you could clarify this for me, I would appreciate it. Thank you in advance and have a great day.

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Posted from CCM Live forum for Android

3 answers

  1. mikaelac
     
    Hello

    What was the point of rooting your phone and then wanting to go back to a Samsung firmware?
    Finally!!!!

    No, you have to do it with Odin on PC and yes, you will lose your root....
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    1. Léo555 Posted messages 121 Status Member 94
       
      I wanted to roll back to a Samsung firmware to check something, and for the PC, I'll try to manage on my own.

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      Posted from CCM Live forum for Android
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      1. mikaelac > Léo555 Posted messages 121 Status Member
         
        You could perfectly root your phone without changing Samsung's firmware if you wanted to keep Samsung's ROM... so start over...
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  2. Léo555 Posted messages 121 Status Member 94
     
    I rooted my phone to switch to Cyanogenmod and now I want to go back (temporarily) to the official version to check something, how do I reset to factory settings? When I reset, it still leaves me with CM.

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    1. mikaelac
       
      You can't, I told you... you flash again with Odin on PC...

      then nothing prevents you from rooting your phone while remaining on Samsung firmware, okay? When you have rooted your phone and installed your TWRP AND YOU WANT TO CHANGE ROM, TWRP allows you to back up your Samsung ROM, then you can test alternative ROMs and if you're not convinced by those ROMs, restore your Samsung firmware or another one because TWRP CAN DO IT... you still need to inform yourself a bit about the features of your TWRP recovery... so for now, you reflash via Odin on PC.


      that's how I do it when I test ROMs... I back up with TWRP one or two ROMs that suit me, and if I try another one that doesn't suit me, I restore the old one with TWRP...
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  3. Léo555 Posted messages 121 Status Member 94
     
    I had forgotten to back up my Samsung ROM before installing CM, well thanks anyway for your answers, I'll see what I can do with what I have.

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    1. mikaelac
       
      Yes, without a PC, it's not possible to reinstall official firmware...
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