SP Flash Tool (Smartphone Flash Tool) or similar MTK flashing tools Key Features of this Firmware Fix Bootloop: Resolves issues where the phone is stuck on the logo.
The computer chimed. A red bar turned yellow, then a steady, rhythmic purple.
A green checkmark appears. Disconnect, power on the device. First boot may take 5–10 minutes.
Beware of fake or malicious "Coolpad CP03 Dump Firmware" files. Some contain malware designed to inject spyware into your phone. Follow these rules: