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Can you downgrade from 2.2 by flashing?

Discussion in 'Android Devices' started by Vertigo1, Aug 7, 2010.

  1. Vertigo1

    Vertigo1 Well-Known Member
    Thread Starter
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    Given the number of little bugs and issues being reported with 2.2, I'm actually a bit wary of installing it on my phone.

    I have an Orange phone which I debraded by flashing the generic ROM. I was wondering - if I install 2.2 and then don't like it, can I revert back by re-flashing the original generic ROM again or won't the installer let me "downgrade" like this?
     

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  2. teppic74

    teppic74 Well-Known Member
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    Normally you wouldn't be able to, but there is a special version of stock 2.1 that fakes its version as 2.2. This will let you downgrade the phone to hboot 0.80 and 2.1 (build 1.21.405.2) using the bootloader.

    If your phone is an SLCD model you'll break the display by doing this downgrade.
     
  3. knudsen81

    knudsen81 Well-Known Member
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    here is the guide [HOW-TO] downgrade HBOOT 0.92 to 0.80 again - xda-developers
     
    Paranoid_Android101 likes this.
  4. Vertigo1

    Vertigo1 Well-Known Member
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    Apr 20, 2010
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    Ah thanks for the info but sounds a bit too involved for me. I'm not rooted or anything and was just wondering if the standard HTC flasher utility (the RUU...exe) would allow "downgrading". Obviously not.
     
  5. teppic74

    teppic74 Well-Known Member
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    The downgrade itself is using a standard RUU (with a goldcard). You need to root afterwards to fix a problem with it, but then you can flash whatever you want.
     
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