I have the exact same problem on my Sony Xperia zl. Mhl worked flawlessly before the upgrade to Android 5.1.1 Now I can only see that Mhl detected on the mobile but nothing on the TV. The same mhl cable works fine with another Sony Xperia z ultra which is running on older Android version. Can you help me make this mhl work. Note: there is no problem with the mhl cable, I used it before as well with no issues.
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