Firmware Tcl 20b | Desktop |

Reinstall the MediaTek VCOM drivers and rerun the MTK Bypass Tool.

and wait about 10 seconds for the capacitors to drain completely. Hold the or Volume Up button, then link the smartphone to your PC using the USB cable.

Use a high-quality, undamaged USB data cable. Connect it directly to a motherboard USB port on your computer rather than an external USB hub to maintain a stable connection. Required Files and Tools to Download Firmware TCL 20B

Navigate to the extracted SP Flash Tool folder and launch flash_tool.exe as an Administrator.

Verify there is enough free space to download the update; if not, delete unused apps or clear cached data. Stable Connection: Reinstall the MediaTek VCOM drivers and rerun the

Flashing unofficial or incorrect firmware can "brick" your device and void its warranty. Always verify your specific Project ID in the device's "About Phone" section before attempting a manual flash. Quick Maintenance Tips

The easiest and safest method is the system. What is Firmware? - Maple Systems Use a high-quality, undamaged USB data cable

(run as Administrator).

If an update fails, check your internet connection, storage space, and battery level, then restart the device and try again. for using the TCL Mobile Upgrade tool? Software Upgrade - TCL

Follow these steps precisely. Deviating from the instructions can cause software errors. Step 1: Install the Drivers