In Bangalore, India, Rajesh used his Digma Plane 8555M 4G tablet for video conferencing and e-learning. After an unstable custom ROM attempt, his device became stuck in a boot loop and Wi-Fi wouldn’t activate. Here’s how community insights and the official MT6737M V05 20171102 firmware brought it back to life.
Problem Diagnosis: Endless Boot Loop & Dead Wi-Fi
🚨 Symptoms
- Boot loop: Digma logo appears 10 seconds, then restarts
- Wi-Fi module not found in settings
- XDA thread “8555M custom ROM bricked Wi-Fi” pointed to a corrupted
wifi_socpartition
Community Investigation & Clues
- 4PDA (Russian): Reported that SP Flash Tool v5.1832 handles MT6737M scatter more reliably than earlier versions.
- XDA Developers: Recommended backing up
wifi_socandnvrambefore flashing to prevent connectivity loss. - YouTube – TechGuruIN: Demonstrated holding Volume Up + Power during USB connection to ensure proper detection.
Firmware Package Details
| Filename | Digma_Plane_8555M_4G_MT6737M_V05_20171102_7.0.zip |
|---|---|
| Size | 953 MB |
| Build Date | 2017-11-02 |
| Android Version | 7.0 Nougat |
| Key Files | MT6737M_Plane8555M_scatter.txt, preloader.bin, boot.img, system.img, wifi_soc.img, nvram.img |
Device Specifications Verification
| Specification | Details |
|---|---|
| Model | Digma Plane 8555M 4G |
| Chipset | MediaTek MT6737M (Quad-core 1.3 GHz) |
| RAM/Storage | 2 GB RAM / 16 GB eMMC |
| Display | 8″ IPS 1280×800 |
| Battery | 5000 mAh Li-Ion |
🛠 Required Tools & Drivers
- SP Flash Tool v5.1832
- MediaTek USB VCOM Drivers v1.0.25
- Windows 10 PC, USB 2.0 cable
- Disable antivirus, use direct USB port
For detailed MediaTek flashing instructions, see our guide: How to Flash Stock Firmware to MediaTek MTK Smartphones.
Solution Implementation: Step-by-Step Flashing
- Backup Critical Partitions:
- Read back
wifi_socandnvramin SP Flash Tool → save backups.
- Read back
- Load Scatter File:
- Click Scatter-loading → select
MT6737M_Plane8555M_scatter.txt.
- Click Scatter-loading → select
- Configure Download Mode:
- Uncheck
preloader.bin→ select Download Only → save profile “Plane8555M-V05”.
- Uncheck
- Connect Device Safely:
- Power off tablet → hold Volume Up + Power → connect USB → wait for “COMx”.
- Initiate Flash:
- Click Download → monitor progress → complete when “Download OK”.
- Verify & Boot:
- Disconnect → power on → allow 3–4 minutes for first launch → test Wi-Fi and cellular.
Recovery Results
✅ Success Metrics
- Boot Time: 30 s (previously endless loop)
- Wi-Fi Connectivity: Module reactivated, stable throughput
- IMEI & Network: Verified intact in Settings → About Tablet
- User Feedback: Rajesh resumed video calls and streaming flawlessly
Advanced Tips & Community Resources
- Monitor XDA for MT6737M battery optimization patches
- Visit Indian tech forums for regional CSC modifications
- Use SP Flash Tool’s Format on
UDISKonly if internal storage errors persist
Share Your Recovery Story
Did this guide rescue your Digma Plane 8555M 4G? Share your logs, tweaks, and results below to support our global firmware recovery network!
