iPhone 3GS 18 giga

hello

can upgrade iphone 3gs ios4 or ios5 ??
, how using itunes upgrade or cant upgrade?

, upgrade fine iphone 3s ios4 or ios5 or cant upgrade , have use os3???

plz me,thx

 

i have ios 5.0.1 running on 3gs , runs fine. you'll need use itunes update.

 

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