Comio C1 Pro MT6739 Firmware: Fix Bootloop, Dead Boot & Lag

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The Comio C1 Pro packs a 5-inch HD IPS display, MediaTek MT6739 quad-core 1.5GHz processor, Mali-T720 GPU, 1.5GB RAM, 16GB storage (128GB expandable), 8MP rear/5MP front cameras with LED flash/face unlock, 2500mAh battery, and dual 4G VoLTE on Android 8.1 Oreo.

Owners report dead boot issues, bootloops, severe lag on 1.5GB RAM, FRP locks, network drops, camera failures, and heating during calls.

These official firmwares (V139 June 2018 & V1.2.5 May 2018) restore full functionality via SP Flash Tool, patching MT6739 bugs and unbricking dead units.

Comio C1 Pro Firmware Details

Specification Details
Device Name Comio C1 Pro
Model Identifier MT6739
Chipset MediaTek MT6739 (28nm)
CPU Quad-core 1.5 GHz Cortex-A53
GPU Mali-T720 MP2
Android Version Android 8.1 Oreo
File Type MTK Scatter ZIP
Flashing Tool SP Flash Tool
Bootloader Status Locked (Bypass flash)
RAM/Storage 1.5GB/16GB (128GB max)
Region India/Global
⚠️ Warning for Comio C1 Pro: Wrong MT6739 firmware risks hard brick, null IMEI/baseband, or no charging. Verify model via *#*#139#*#*. Backup NVRAM first. SLA/DAAuth bypass needed; mismatched builds cause FRP/bootloop. Battery >70% required.

Download Official Firmware for Comio C1 Pro

Filename Region File Size Build Date Build Version Android Flashing Type Notes Download
Comio_C1_Pro_MT6739_V139_26062018.zip IN/Global 1.28 GB 06/26/2018 V139 8.1 SP Flash Latest stable; fixes dead boot, lag, VoLTE Download V139 (MediaFire)
Comio_C1_Pro_MT6739_V1.2.5_05292018.zip IN/Global 1.23 GB 05/29/2018 V1.2.5 8.1 SP Flash Earlier build; FRP bypass, camera fixes Download V1.2.5 (Google Drive)
See also
Download Comio C2 Lite Official CPB Firmware (Fix Boot, Lag & Battery Bugs)

Flashing Requirements

  • Windows PC + MTK6739 drivers + SP Flash Tool v5.2020+
  • Charged >70% Comio C1 Pro
  • Backup (IMEI via MTK tool, photos/contacts)
  • LibUSB + DA auth bypass (SLA/DAA for MT6739)
  • Quality USB cable; test BROM mode
  • Python + scatter file extracted

How to Flash the Firmware

  1. Install MTK drivers, extract firmware, load scatter in SP Flash Tool.
  2. Enable DA Auth bypass; select Download+Format All.
  3. Power off, Vol- USB connect for purple COM detection.
  4. Click Download; green tick (10-20 mins).
  5. Reinsert battery if removable, long Power boot.

For detailed visuals: Follow Comio C1 Pro MT6739 SP Flash Tool Guide or Video Tutorial.


📢 Disclaimer: Site/providers not responsible for bricking, data loss, or issues from flashing. Users at own risk—backup essential. Post-flash problems? Comment for help!

Frequently Asked Questions (FAQs)

Fixes Comio C1 Pro dead boot?

Yes, both V139/V1.2.5 restore MT6739 from hardware faults & water damage.

Phone not detected by SP Flash?

Disable Driver Signature, use BROM mode (Vol Up/Down), install LibUSB filter.

FRP lock after flashing?

V1.2.5 includes bypass; for V139 use MTK bypass tool post-flash.

See also
Comio S1 Official CPB Android 7.0 Firmware – Fix Bootloop, FRP & System Errors

Which firmware is better: V139 or V1.2.5?

V139 (June 2018) newer/more stable; V1.2.5 for specific FRP/camera issues.

VoLTE/network lost post-flash?

Restore NVRAM with original IMEI; modem files included in both packs.

LATEST FIRMWARE FILE

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