⚠️ Disclaimer: This guide is for educational purposes only. We don't distribute copyrighted firmware. Always obtain files from official sources. Flashing may void warranty.
š§ What's Inside the BD4 PAC File?
The official PAC firmware package for Tecno Pop 5 BD4 contains:
- boot.img - Kernel and boot partition
- system.img - Android OS files
- userdata.img - Factory data partition
- modem.img - Baseband/radio files
- recovery.img - Stock recovery image
š¦ Requirements Before Flashing
- Tecno Pop 5 BD4 (30%+ battery recommended)
- Original USB cable (avoid cheap replacements)
- Windows PC with SPD Flash Tool v3.0 or newer
- Spreadtrum USB drivers installed
- 1.5GB free disk space
⚡ Step-by-Step Flashing Guide
Step 1: Extract PAC file and SPD Flash Tool to desktop folder
Step 2: Power off phone → Hold Volume Down → Connect USB cable
Step 3: Open SPD Tool → Select "Firmware Upgrade" mode → Load BD4.pac file
Step 4: Click "Start" → Wait 15-25 minutes (do NOT disconnect!)
Step 5: When green checkmark appears → Disconnect → Force restart (hold power 30 sec)
š Fixing Hang on Logo After Flash
If your Pop 5 gets stuck on Tecno logo:
- Re-flash using "Format All + Download" mode
- Perform factory reset from recovery (Vol Up + Power)
- Check PAC file MD5 checksum matches official
šØ Common Errors & Solutions
| Error | Solution |
|---|---|
| "USB Not Found" | Reinstall Spreadtrum drivers |
| "Download Failed" | Try different USB port/cable |
| Stuck at 99% | Wait 10 mins, then retry |
š” Pro Tip: After successful flash, skip initial setup and perform factory reset for best performance.
š¢ Final Notes
- This guide works only for Tecno Pop 5 model BD4
- Backup IMEI/NV data before flashing
- First boot may take 5-10 minutes
š Legal: We're not affiliated with Tecno Mobile. SPD Flash Tool is property of Spreadtrum. Use at your own risk.