[Q] Questions about firmwares

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KaosStorm

Senior Member
Oct 15, 2011
57
14
Guatemala city
Phones bought from specific carriers have specific firmwares attached to them, but most of the time they come with the earliest version and carriers (the lame ones, at least) never update to the most recent one.

What exactly do you lose if you try to flash an open firmware into these type of phones? Sim-locked? Bricked? I've been wondering this for quite some time and haven't been able to find a direct answer to it.