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The Asus Zenfone 3 Max was a great terminal until a few months ago, the battery in intensive use lasted two days practically, had a fabulous performance (except in very powerful games, the mobile is what it is), had no random reboots or anything similar, but this changed when a few months ago ASUS introduced an update patch that dramatically reduced the performance and autonomy of the same, the battery went from last almost 2 days to last just half a day (in a matter of continuous battery referring to me to intensive use) and to constantly hang up and have restarts. In tests that I have made the device loses up to 9% battery in 32 minutes of video at 720p, the phone has "lagueos" in such everyday situations as opening an app or playing a YouTube video. In summary: I strongly recommend that if you buy this terminal, leave it in its factory version (Android 6.0) and do not update it to new versions.
About two years ago I decided to buy this terminal through Amazon because its price offered great features, the device came to me with no apparent problem and I started using it, the phone enjoyed excellent autonomy and acceptable performance (except for the fingerprint sensor that there was no way to work). Approximately one month after the acquisition I was watching a video through YouTube when the screen started blinking and went out. I tried everything to restart the device and there was no way, had to return the phone and acquire another, in this world is not given anything gentlemen
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