Sony Xperia U ST25i Gingerbread 2.3.7 to Official ICS 4.0.4Support


  1. jenisbob

    jenisbob New Member

    Hello Everyone,
    I am totally new to Android and now i am using Sony Xperia U ST25i Gingerbread 2.3.7 ...
    My current firmware is 6.0.B.3.188
    I am planning yo update to ICS 4.0.4

    My Sony Xperia U ST25i is not rooted and also not unlocked bootloader


    I have downloaded all flashtools and Sony Xperia U ST25i Official ICS 4.0.4 Firmware 6.1.1.B.1.10 i.e. ST25i_6..1.1.B.1.10__4.0.4__world.ftf

    Now please everyone guide me that are their lags on ICS 4.0.4 after update..

    1.does the phone lag much in ICS?

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  2. kevlaa

    kevlaa Member

    Don't do it! I have and now looking of a way to get back to gb!!!
    Lags so much a constant crashes!!
  3. Davdi

    Davdi Well-Known Member Contributor

    ICS on the Xperia U is very laggy, but I'm living with it until I can summon the energy to root it and go for a custom ROM.
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