Small parts tend to have lower quality levels and it's not uncommon to receive bad parts. Did the replacement part look new or did it look like it was pulled from a device? Either way, that's a distinct possibility.
I would also check the connector the flex plugs into. Depending on how you damaged the flex, you may have pulled on the connector and damaged one of the solder connections. Use this [guide|28301|guide], if you haven't already.
Small parts tend to have lower quality levels and it's not uncommon to receive bad parts. Did the replacement part look new or did it look like it was pulled from a device? Either way, that's a distinct possibility.
I would also check the connector the flex plugs into. Depending on how you damaged the flex, you may have pulled on the connector and damaged one of the solder connections. Use this [guide|28301|guide], if you haven't already.
Small parts tend to have lower quality levels and it's not uncommon to receive bad parts. Did the replacement part look new or did it look like it was pulled from a device? Either way, that's a distinct possibility.
I would also check the connector the flex plugs into. Depending on how you damaged the flex, you may have pulled on the connector and damaged one of the solder connections. Use this [guide|28301|guide], if you haven't already.