Technical Hardware & Software Specifications
Fix Hot 30i X669c Dead Boot and Baseband Unknown Issues Easily
If your Infinix Hot 30i X669c is completely dead, stuck on the logo, or showing βBaseband Unknown,β this tested firmware file will help you revive it safely. This is a 100% tested Unisoc firmware made specifically to fix dead boot, IMEI 00000, and hang logo problems on Unisoc/Spreadtrum-based devices.
Whether your phone went dead after a wrong flash, OTA update, or downgrade attempt, this solution works perfectly using Research Download, SPD Flash Tool, or Infinity CM2SP2.
What This Firmware Fixes
This official and tested file is designed to fix multiple issues, including:
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β Dead boot (device not powering on)
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β Hang on logo / Bootloop issue
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β Baseband Unknown / Null IMEI
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β Software corruption after downgrade
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β Unknown network or signal loss
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β Secure boot or firmware mismatch errors
Flashing Guide (Step-by-Step)
Requirements:
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SPD Flash Tool / Research Download
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Correct USB Drivers for Unisoc devices
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Fully charged phone
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Working USB cable
Steps:
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Download the firmware file X669C-H6127AgAhAxAyBcBdBeBfBg-S-GL-240918V1357.zip from MobiFirms.com.
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Extract the file using WinRAR or 7-Zip.
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Open Research Download tool and load the
.pacfile. -
Connect the phone (powered off) to your PC while holding the Volume Down key.
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Click Start Downloading and wait for the flashing process to complete.
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Once done, disconnect and power on your phone β it will boot normally.
βοΈ Pro Tip: Always back up your NVRAM before flashing to prevent IMEI loss. If IMEI is lost, repair it using ModemMeta Tool or WriteIMEI tool for SPD.
Why Choose MobiFirms Firmware?
At MobiFirms.com, every firmware is tested and verified by technicians to ensure safe flashing and reliable performance. We focus on providing official firmware, fixed files, and FRP unlock solutions for all major brands β including Infinix, Tecno, Vivo, Realme, and Samsung.
This file helps both technicians and DIY users restore their devices quickly, without wasting time on untested ROMs.
Conclusion
If your Infinix Hot 30i X669c is not turning on, stuck on logo, or showing βBaseband Unknown,β this tested Unisoc firmware is your complete repair solution. Download it free from MobiFirms.com, flash it with confidence, and bring your phone back to life.
π Download Now and fix your Hot 30i X669c in minutes!
β‘ Standard Flashing Requirements & Instructions
Prerequisites
- β Charge device battery to at least 50%
- β Use original OEM USB cable
- β Backup all personal data & contacts
- β Install proper USB / VCOM / Fastboot Drivers
Important Notice
Flashing factory firmware will erase all user data. Ensure you have verified your device model number and build code match before starting.
| Select / Version | Region | Size | Date Added | Action |
|---|---|---|---|---|
|
β
v1.0
Latest
|
Global | 3.5GB | Feb 15, 2026 | Download |