: Download an app like Bugjaeger Mobile ADB on the second phone.
: A USB OTG adapter and a data cable to connect the two phones. Magisk APK installed on the Redmi 9A. Bugjaeger Mobile ADB or a similar app (like ) installed on the host phone. The specific Stock Firmware
The exact firmware (Fastboot ROM) currently running on your Redmi 9A. Step 1: Unlock the Bootloader (Without PC - The Challenge) root redmi 9a without pc patched
Tap at the top right. Magisk will process the file, download necessary elements, and output a file named magisk_patched_[random_strings].img into your device's Download folder. Step 3: Flash the Patched Boot Image via Custom Recovery
Connect the two phones using an OTG cable. The Redmi 9a should be the "Target," and the other phone the "Host." : Download an app like Bugjaeger Mobile ADB
The crucial first step is unlocking the bootloader. This guide uses the open-source mtkclient tool, which can be used from a second Android device via USB-OTG.
Use your web browser to visit an official repository like the MIUI ROM Official Website or Xiaomi Firmware Updater . Bugjaeger Mobile ADB or a similar app (like
Since you are not using a PC, you will need a robust file archiving tool on your phone to extract the firmware files.
Your Redmi 9A's bootloader must display an open padlock icon upon booting. If it is locked, you must first unlock it (which traditionally requires the official Mi Unlock Tool on a PC).