[SOLVED] what is a difference in radio?

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I was looking for stock Rom from era. I've found out that stock era is:

12.28e.60.140fU_26.04.02.17_M2

While on the forum there can be found

12.28e.60.140f_26.04.02.17_M2

The only difference is in radio, in the first one there is fU while in the second only f.

Could somebody explain me what is a difference and if it is negligible?

Thanks a lot in advance

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I have asked the exact same question somewhere around here a few weeks ago. Got no reply back. I think (but don't know for sure) the letters you are referring to do not make a difference, its the last part (after the first _) which identifies the radio.

Originally Posted by HLeenders

I have asked the exact same question somewhere around here a few weeks ago. Got no reply back. I think (but don't know for sure) the letters you are referring to do not make a difference, its the last part (after the first _) which identifies the radio.

Ok, assuming you have right, I'm still curious why there is this difference.
However thanks for you reply

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The "U" is added by you phone if you are on a carrier that offers HSUPA. That means you have both "4G dl AND 4G ul" if it was just "f" then you would only have 4G dl.

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Originally Posted by TheNewGuy

The "U" is added by you phone if you are on a carrier that offers HSUPA. That means you have both "4G dl AND 4G ul" if it was just "f" then you would only have 4G dl.

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Aha ok, thanks for the explanation ,so it looks like I need the stock with both of them.

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