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Samfirm Tool V3.3 -

While focused on Samsung, it provides limited support for Oppo , Vivo, Huawei, and LG.

New in V3.3, it includes a sideload format and the ability to bypass Mi Account locks on supported Xiaomi models. Samfirm Tool V3.3

Directly downloads official stock ROMs from Samsung servers by entering the device model and region (CSC). While focused on Samsung, it provides limited support