Download Stock ROM for REALME RMX3963 (RMX3963)
Below you will find the official & unofficial Stock Firmware for the REALME RMX3963. You can use this ROM to flash your device using compatible tools.
Stock Firmware for RMX3963
- Firmware Version: RMX3963export_11_15.0.0.930(EX01)_2025050900540000
- ROM Type: Service ROM
How to Install Stock ROM on Your REALME RMX3963
follow the instructions below to install official stock firmware on your realme device.- Download latest firmware from above links.
- Charge the device at least 50%.
- Download & Install O + USB Driver on your PC.
- Extract the downloaded ZIP file to a folder.
- Boot your device into Fastboot mode (Power + Volume Down).
- Download & Open O + Service Tool on your PC.
- Login With O+ service ID
- Click Flash Service
- Click Manage Firmware package
- Browse & select extracted ROM folder
- Click \\\\\\\\\\\\\\\'START\\\\\\\\\\\\\\\' button
- Connect your device to your PC via USB by holding Volume up + down button at same time.

- Wait until the process completes, the device reboot itself.
- have any trouble?, Contact us for Professional help, Tool Login, Auth, Region change.


