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Original post by: Minho ,


It has nothing to do with “antennas”, it’s all at the logic board level and the different IC’s used to connect to different frequency ranges. I’m not an expert on what frequencies the various US carriers use ( I believe Verizon is the outlier) but if you want to replace the logic board, finding one that uses the same carrier is the preferable approach.

However, before doing that, why don’t you trackback and check your work, you may have made a few small errors or caused damage along the way. It’s cheaper to replace a broken flex or taptic engine than buy a logic board.