Premium or "modded" APKs downloaded from unofficial sites frequently contain malware, adware, or credential-stealing scripts.
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For advanced users, rooting your phone and editing the game.ini or DeviceConfig files is safer than a random APK. You manually change FPS=60 to FPS=90 and AspectRatio="phone" to AspectRatio="tablet" . 90 fps and ipad view premium apk download better