The HTC One M9 Plus was announced in 2015, April. Released 2015, May With 5.2 inches, 74.5 cm2 (~68.6% screen-to-body ratio) Super LCD3, Powered by Mediatek MT6795T Helio X10 (28 nm) and running Android 5.2 (Lollipop), upgradable to 6 (Marshmallow), Sense UI 7, the device delivered smooth performance and multitasking capabilities. while the Li-Po 2840 mAh, non-removable ensured long-lasting usage.