HTC One Max is powered by a Qualcomm 1.7GHZ quad-core processor. The device has 2GB RAM, 16 or 32 GB of internal storage and an additional microSD card slot capable of reading up to 64GB. The large 5.9″ Super LCD3 display has a resolution of 1080 x 1920, giving it a pixel density of 373 ppi. The One Max shares the same 4MP camera as the HTC One, which features full 1080p video recording. The battery weighs in at 3300mAh.
HTC One Max wont be receiving the official Android 5.1 update. But you can update it via the CM 12.1 custom ROM. The official nightly for this device is available which means a lot less bugs. If you want to try out this ROM, follow the guide below.