Samsung devices required specialized software like Heimdall or Odin to flash the recovery into the dedicated recovery partition. Safety and Legacy
I tapped → Bootloader , then navigated to fastboot, and flashed a fresh copy of CyanogenMod 12.1 from my laptop. This time, no errors. No aborts. The installation script ran perfectly. twrp 2.8.7.0
The main menu is clean:
Resolved crash loops caused by empty lines in AOSP recovery command files. then navigated to fastboot