Extensive user reports (XDA, Reddit, MX Player forum 2024–2026) describe the device becoming "very hot" within 10–15 minutes of playing an HDR file.
With the proliferation of budget and mid-range smartphones featuring OLED or AMOLED screens with HDR10 support (e.g., Samsung Galaxy A series, Xiaomi Redmi Note series), a massive new user base now possesses hardware capable of HDR. These users are now downloading MX Player to test their new screen capabilities, leading to a spike in search volume. mx player hdr support hot
MIUI aggressively throttles background processes but not MX Player. Go to Security App → Temperature → App thermal control → Set MX Player to "Restrict." This caps CPU frequency at 70%. Extensive user reports (XDA, Reddit, MX Player forum