Question about voltage in roms

Discussion in 'Android Hacks and Help' started by tu3218, Jun 5, 2010.

  1. tu3218

    tu3218 Active Member

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    I don't really understand the difference between LV which I'm pretty sure is low voltage and IV. I'm not sure what IV stands for. But what is the difference between these two types. I just realized I had BB 1.1 1.2ghz IV. Whats the difference between that and 1.1ghz LV.
     
  2. tcrews

    tcrews Premium Member Premium Member Developer

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    LV is Low Voltage
    IV is Increased Voltage
    MV is Medium Voltage (I think this would be stock voltage).
     
  3. tu3218

    tu3218 Active Member

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    Oh alright. Those difference voltages, what do they do? Would I get better battery life if I switched to a LV version of BB 1.1?
     
  4. tcrews

    tcrews Premium Member Premium Member Developer

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    A lower voltage kernal should generate less heat and possibly extend battery length.

    However a lower voltage may not provide enough for your particular chip to run at whatever speed.

    Some require the medium voltage kernals and some require the increased voltage kernals to work properly.

    It's something you have to test with your phone as to which offers the best performance/best battery life and lowest heat....and stability :)
     
  5. tu3218

    tu3218 Active Member

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    Alright thanks! Tough decision, I would like to try a low voltage rom version of BB 1.1 but I hate having to set my phone up again(apps, accounts, etc). But if it can give me better battery life that would be great. I have the 1.2 ghz rom but I usually have it set at 800mhz to 1ghz.
     
  6. tcrews

    tcrews Premium Member Premium Member Developer

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    just get the kernal and don't reflash the ROM. Kernal flashing does not require wiping so everything will be just as it is when you boot up again.

    Get any Low Voltage kernal you want and flash away. If you get stuck in boot....you know that doesn't work so boot back into recovery and flash a different kernal (standard or increased)...or a lower speed.
     
  7. tu3218

    tu3218 Active Member

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    Oh so I can just download another kernel from BB 1.1, an once it finishes downloading then what?
     
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