Match the exact model, region, and branch name. Similar model numbers are not the same device.
Firmware files are here on Inar Guide. Tutorials, flash tools and USB drivers are on FlashGuideHub.
The Mobicel R4 LTE is a budget Android device running on the MediaTek MT6739 platform with Android 8.1.0, LTE/4G, and dual SIM support. User reports and service centers often cite serious faults: bootloops, stuck Mobicel or Android logo, persistent lag, failed update, bad custom ROM, unresponsive touchscreen, or FRP/lock issues. These failures are reliably fixed by flashing the official scatter-format firmware with SP Flash Tool—other tools are incompatible for MTK chipsets.
Mobicel R4 LTE Firmware Details
Use these specs for safe ROM selection and flashing:
| Attribute | Details |
|---|---|
| 📱 Device | Mobicel R4 LTE |
| 🆔 Chipset | MediaTek MT6739 |
| 🤖 Android OS | Android 8.1.0 Oreo |
| ✅ Build Version | MDD_240620 |
| 📂 File Type | Scatter File (SP Flash Tool) |
| 💻 Flashing Tool | SP Flash Tool |
Download Official Firmware for Mobicel R4 LTE (MT6739)
- Build: MDD_240620 (Android 8.1.0)
- File Name: Mobicel_R4_LTE_MT6739_MDD_240620_8.1.0.zip
- Size: 870MB
- 🔗 Download Link: Download (MediaFire)
Why Flash This Specific Firmware?
- Fix Bootloops/Logo Hang/Dead System: Stuck on Mobicel or Android logo, or looping after failed flash or update, is resolved by scatter firmware flash.
- Unbrick After Failed ROM, Customization, or OTA: Device can be revived after a soft/hard brick using official firmware.
- Clear FRP Lock/Pattern/Password: Removes Google account lock and resets screen locks for access.
- Restore Performance and Repair Signal/IMEI: System lag, app errors, and network issues are solved by clean firmware install. IMEI/network fixes may need additional manual repair after flashing.
Crucial Prerequisites Before Flashing
Backup all files—flash will erase all user data.
- Latest SP Flash Tool (Windows)
- MTK USB drivers installed
- MDD_240620 scatter firmware for R4 LTE
How to Flash the Firmware
- Extract
Mobicel_R4_LTE_MT6739_MDD_240620_8.1.0.zipto a folder. - Install MTK USB drivers (if needed).
- Open SP Flash Tool and load MT6739_Android_scatter.txt.
- Power off device and connect by USB (hold Volume Down for detection).
- Click “Download” and wait for success (green checkmark).
- Disconnect, reboot, and verify normal device functionality.
Full illustrated step-by-step guide:
How to Flash Stock Firmware to MediaTek (MTK) Smartphones (SP Flash Tool)
Disclaimer: Flashing wipes all content and may brick device if wrong file/steps are used. Verify exact model/build and always follow official procedure.