This guide will help you unlock the bootloader of your massive HTC One Max. You will be able to root HTC One Max and also install a custom recovery tool - ClockworkMod or TWRP.

Prerequisites before you root HTC One Max:

Gaining S-Off and root access voids warranty.Create backup of all your important dataon HTC One Max.Go to HTC Dev Portalandopen an account there. Click on the UnlockBootloadericon on the page and unlock the bootloaderof your HTC One Max device by following the onscreen instructions.EnableUSB Debuggingon your Max from Settings >Developer Options.

How to Root HTC One Max and install custom recovery:

Required files: These files are required to be downloaded

Android SDK- set it up on your PC.Fastboot/ADB files - extract the zip.Beaups’Rumrunner Tool.Unsecure kernel file for HTC One Max:Sprint_One_Max_1.16.651.4_Unsecure_kernel.ZipSuperUserfile - copy it to your device.Preferred custom recovery tool (after download,copy it toAndroid SDK Fastboot-ADBfolder)CWM Recovery:HTC One Max (International):Recovery-Clockwork-Touch-6.0.4.5-T6ul.ImgHTC One Max (Sprint):Recovery-Clockwork-Touch-6.0.4.5-T6spr.ImgHTC One Max (Verizon):Recovery-Clockwork-Touch-6.0.4.5-T6vzw.ImgTWRP Recovery:HTC One Max (International):Openrecovery-Twrp-2.6.3.0-T6ul.ImgHTC One Max (Sprint):Openrecovery-Twrp-2.6.3.0-T6spr.ImgHTC One Max (Verizon):Openrecovery-Twrp-2.6.3.0-T6vzw.Img

- How to root HTC One Max:

Connect your HTC One Max with your PC and copy the SuperUser.zip fileto your device.Open command prompt and launch command byShift keyandRight click -make sure the location of custom recovery is same as fastboot and ADB files.Enter following command:adb devices- press Enter.Your device is properly connected if you see its serial number in the command box.Enter the following command - it will reboot your HTC One Max in Bootloader mode:adb reboot bootloaderOnce you are in theBootloader (HBOOT)mode, use theVolumekeys to highlightFastbootand select withPowerbutton.Now go toAndroid SDK Fastboot-ADBfolder where you have already copied the recovery.imgfile. Open the command window in this folder byShiftandRight clickcombo and type the following command with the part of command in italicsthe name of your recovery image file:

fastboot flash recoveryyourRecoveryFileName.img- hit EnterThe process of installing of your chosen custom recovery will now start on HTC One Max.Once done, go toREBOOTBOOTLOADERand select it.Scroll and then select RECOVERY option. This will take you toCWM or TWRP recovery interface.Select install zip from sdcard(forCWM) OR Install(for TWRP); navigate to the downloadedSuperUser.zipfile and select it.Confirm installation when asked.When done, go toREBOOToption to boot yourHTC One Max as a rooted, fully furnished with custom recovery device!