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.

Earlier we saw how to install CM 12.1 ROM on the Verizon version of HTC One Max. Now Sprint HTC One Max can also be update to Android 5.1 via CM 12.1 custom ROM. Follow the step by step guide given below.

Sprint One Max

Disclaimer: Follow the instructions at your own risk. If the device gets damaged, the writer or the owner of the site must not be held responsible.

Pre-requisites and Backing up your Sprint One Max:


Steps to install CM 12.1 ROM on Sprint One Max:

  1. Create a Nandroid backup from recovery, in case anything goes wrong.
  2. Download the CM 12.1 ROM zip file and Gapps zip file and transfer it to the phone.
  3. Switch off the phone and boot the phone into Recovery mode.
  4. Next, wipe the cache and the dalvik cache.
  5. Now go to “Install zip” and then “Select zip”. Choose the CM 12.1 ROM zip file.
  6. Now again clear cache and dalvik cache.
  7. Go to ”Install zip”, then “Select zip”. Choose the Gapps zip file.
  8. Then perform full data wipe task. To do so, click “Wipe Data/Factory Reset”, then choose “Yes” on next screen to confirm.
  9. After the process is complete, reboot the phone.

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