Ascend G300 Downgrade to gingerbread


  1. mlawranceowen

    mlawranceowen Member

    Hi, I bought a Huawei Acsend G300 from ebay a while ago and it is running very slowly. I went about downgrading from ics to gingerbread (it says android version 4.0.3) and I noticed it says build number INFUSION B06. Does this mean the original owner put custom firmware on it? If so, how can I change to official gingerbread to make the phone faster?

    Thanks in advance, Mike

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  2. nickdalzell

    nickdalzell Well-Known Member Contributor

    if it was done via a root custom ROM you can possibly search somewhere and find a stock ROM in 'nandroid' (that's backup) form. if it was done that way it should have a custom recovery in it, like TWRP or ClockworkMod. if it was done OTA, there may be no going back to GB, as i have read some who OTA upgraded now have entirely different bootloaders and it's a one way trip.
  3. mlawranceowen

    mlawranceowen Member

    Sorry but I'm very new to android, could you explain in much simpler terms how I can find out if was a custom rom and how to then downgrade?
  4. Rxpert83

    Rxpert83 Dr. Feelgood Moderator

    You would have to root and put on a custom ROM to downgrade. I will move this to the Ascend g300 all things root forum

    It does appear that you are rooted
  5. nickdalzell

    nickdalzell Well-Known Member Contributor

    first try installing something like Terminal Emulator. then open it.

    it will look a lot like DOS (if you're that old) and you'll get a '$' symbol. type 'su' and hit return on the on-screen keyboard. if it pops up saying 'this app is trying to get super user access' with a 'grant' and 'deny' button, hit 'grant'. then type 'reboot recovery' and hit enter. if the device has a custom ROM it should boot into that custom recovery image. would show up as either ClockworkMod or TeamWin Recovery Project (TWRP). if it just loads the phone's stock factory backup software, it's not a custom ROM.

    when you find that out, it's as simple as searching Google for the stock rom 'nandroid' image for your phone's model.

    Rxpert, the OP is trying to determine if it already has a custom ROM on it already or not. it's possible to downgrade if it does, but highly unlikely if it was an OTA update.
  6. mlawranceowen

    mlawranceowen Member

    Thanks for that! It is a custom rom I think as it says CWM-based recovery v4.0.15. What is a 'nandroid' image and how do I now go about putting the original firmware on the phone?

    Thanks again, Mike
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