1. gnext2012's Avatar

    So I have a T-mobile S4 motherboard that when i connected 3 different i9500 lcd assemblies the touchscreen didn't work. When I connected those lcd assemblies to a ATT S4 and a Sprint S4 it worked perfect. Is there anyway to diagnose this? I couldn't find anyone else with a confirmed problem like this. Could it be possible that the T-mobile motherboard I have requires a specific digitizer firmware to work? Could the motherboard be damaged I couldn't find any info. Any help would be great.

    The lcd board of the original t-mobile lcd (that is broken) reads "DS. HF. R R0.9 D18K"
    10-18-2014 04:03 PM

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