1. AC Question's Avatar
    I have an S4 (sch-i545) that at some point in the past had an unlocked boot loader installed. But I don't know what boot loader it is. If I power up with Power+VolDown I get a screen to install a custom OS (by pressing Volume up), but there is no version number displayed.

    I want to upgrade from 4.3 to Lollipop (stock Verizon). Is that possible without losing my unlocked boot loader? How?
    04-22-2015 01:32 PM
  2. B. Diddy's Avatar
    Duplicate--please respond here: http://forums.androidcentral.com/sam...ot-loader.html. Thread closed to prevent parallel discussions.
    bobdrad likes this.
    04-22-2015 05:06 PM

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