HTC One M8 has 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.
The Google Play edition of the HTC One M8 has received the Android 5.1 update officially. It may take some time for it to reach all the devices as the update has been rolled out in batches. In the meantime, you can install it manually. Follow the guide given below.