SM-G781U1 (USA Unlocked) firmware on SM-G781U (USA Locked) Device

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New member
Apr 28, 2022
Since it's still unclear in this specific thread if the unlocked firmware will work the answer is yes. Even on a locked phone you can put unlocked firmware although it will not remove the lock unless it's locked to a provider that uses GSM and you put in a CDMA sim but I've only had limited luck doing that.