Model Manual Android 16 (Baklava / QPR2) Compatibility → Verified Working

Motorola Razr 50/60 Ultra & Edge 50/60 Ultra Root Guide

Master Fastboot rooting guide for Motorola Razr 50 Ultra, Razr 60 Ultra, Edge 50 Ultra, Edge 60 Ultra, and Moto G85 on Hello UI (Android 14/15/16). Covers Motorola Bootloader Unlock Portal verification, LMSA/RSA firmware extraction, and init_boot flashing.

Hardware & Partition Specifications

Before flashing, confirm your device matches these exact kernel and partition specifications:

Hardware Parameter Target Specification Engineering Details
SoC / Chipset Snapdragon 8s Gen 3 / Snapdragon 8 Elite (Razr 50/60 Ultra, Edge 50/60 Ultra) / Snapdragon 6s Gen 3 (Moto G85) | Hello UI Hardware processing platform and architecture
Target Partition init_boot.img (GKI Architecture on Android 14/15/16 Hello UI) The exact partition image that must be patched in Magisk
OS Compatibility Layer Android 16 (Baklava / QPR2) Layer → Kernel specifications, SEPolicy patching & 16KB memory page rules
RAM Page Alignment 4KB / 16KB Compatible (Android 14/15/16 Hello UI) Virtual memory kernel standard (Android 15/16 compatibility)
Firmware Package Official Motorola Firmware ZIP (Download via Lenovo Rescue and Smart Assistant - LMSA / RSA Tool) Official OEM stock ROM packaging format
Unlocking Method Developer Options OEM Unlocking + `fastboot oem get_unlock_data` -> Paste code into Motorola Unlock Portal -> Receive unique unlock key via email -> `fastboot oem unlock KEY`. Bootloader unlocking requirement and tool
AVB / dm-verity Standard AVB 2.0 (No vbmeta patch needed) Android Verified Boot verification enforcement

Step-by-Step Rooting Procedure

Phase 1

Unlock the Motorola Razr 50/60 Ultra & Edge 50/60 Ultra Bootloader

Enable Developer Options by tapping Build Number 7 times in Settings → About Phone. Navigate to Settings → System → Developer Options and toggle on OEM Unlocking and USB Debugging.

Unlocking Method: Motorola
Developer Options OEM Unlocking + `fastboot oem get_unlock_data` -> Paste code into Motorola Unlock Portal -> Receive unique unlock key via email -> `fastboot oem unlock KEY`.
Phase 2

Extract the Stock Partition Image

Obtain the official stock firmware archive matching your exact software build number. Extract the required partition image:

Extraction Command
$Unzip RSA firmware package -> locate init_boot.img -> patch in Magisk app
Phase 3

Patch Partition in the Magisk App

1. Download and install the latest official Magisk v30.7 APK onto your Motorola Razr 50/60 Ultra & Edge 50/60 Ultra.
2. Transfer the extracted stock init_boot.img (GKI Architecture on Android 14/15/16 Hello UI) to your device's Download folder.
3. Open Magisk, tap Install on the top card, and choose Select and Patch a File.
4. Select your file. Magisk will patch the ramdisk and output magisk_patched_[random].img to your Download directory.
5. Transfer the patched image back to your PC via USB.

Phase 4

Flash Patched Image

Connect your device to your computer in bootloader/download mode and execute the verified flashing command:

Flashing Command
#fastboot flash init_boot magisk_patched.img

Emergency Recovery & Bootloop Prevention

If your device fails to boot after installing an incompatible module, use this model-specific hardware recovery procedure:

Recovery Action: Hold Volume Down + Power -> Fastboot -> `fastboot flash init_boot stock_init_boot.img` or use Lenovo RSA Tool to restore device to 100% factory state.
OTA Maintenance: After Motorola Hello UI OTA: patch updated init_boot from RSA firmware -> flash via Fastboot.

Technical Verification Notice: This guide has been verified against Magisk v30.7 and stock Motorola Razr 50/60 Ultra & Edge 50/60 Ultra firmware partitions on 2024-2026.