You can do the subscripotion again and put the code.You can check the endurance days from software.
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1.Please make sure you install the correct version according to your device. 2.Please chceck you device setting allow the apk or not.
That meaning subscription code is transfered, please contact the seller to solve.
It can use in some Android OS smart tv like Samsung and LG smart tv.
Yes, our IPTV can run perfectly on Android 9.0, do please install the 1.57 version or higher.