HTC One M8 features a 5-inch 1080p display, 2.3 or 2.5 GHz Snapdragon 801 CPU/GPU, 2GB of RAM, enhanced “BoomSound” speakers, a 2600mAh battery, up to 32GB of internal storage and support for external microSD cards up 128GB. One of the most unique features of the HTC One (M8) is its new “Duo Camera.” This camera features two sensors: one Ultrapixel sensor and one depth of field sensor to allow users to select the image focus after the picture has been taken.
HTC One M8 has several custom ROMs and CM 12.1 is among them. Previously, we saw how to install CM 12.1 ROM on HTC One M8. But that was an older build which updated the device to Android 5.1 The latest build will update the device to Android 5.1.1. If you want to try this ROM, follow the guide below.