Same model here. I don't think it's worth opening for me as mine are brand new (less than 3 months old). At best I will see yellow glue which doesn't mean much.

Same model here. I don't think it's worth opening for me as mine are brand new (less than 3 months old). At best I will see yellow glue which doesn't mean much. It's the presence of brown glue that indicates it's the low quality problematic stuff.