If you have determined the heat is software-related, flashing the correct Global firmware is the definitive solution. Below is the step-by-step process.

You must find a reputable source for the _EX firmware. Look for files named similarly to: PD1710EX_A_..._Full_Zip . Method A: Local Upgrade (Easiest) Download the firmware .zip package.

Ensure your device is charged to at least 30% (preferably 50%+) to avoid shutdown during the process.

The first boot after flashing can take up to 15 minutes as the system builds the cache. If it takes longer, boot into Stock Recovery (Volume Up + Power) and execute a "Wipe Data / Factory Reset". To ensure you get the exact files needed, tell me:

Cause: This occurs due to communication timeouts between the PC and the phone.

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After flashing Global firmware, phone restarts endlessly at Funtouch OS logo.

Verify that the QFIL software shows the active COM port assigned to your phone at the top of the interface. Click the blue button located at the bottom right.

Click on . Select the rawprogram0.xml file, and a secondary window will immediately pop up asking for a patch file. Select patch0.xml . Step 5: Execute the Flash

Once your environment is ready, follow these instructions to install the Global Firmware:

Here is a breakdown of the most critical problems this firmware can address and why it has become the go-to fix for many: