Leave your current build number and country in the comments, and I’ll help locate the correct stock ROM.

To update or reinstall the firmware on your , use the following official methods provided by TCL Support 1. Wireless Update (FOTA)

The progress bar will turn yellow as the firmware writes to the device. Once finished, a small window with a green circle and text will pop up. Step 8: Reboot

On Windows 10 or 11, you may need to disable driver signature enforcement to properly install the MediaTek VCOM drivers.

Always try official over-the-air (OTA) update methods before attempting manual flashing. Method 1: Over-The-Air (OTA) Updates Connect to a stable . Go to Settings > System > System Updates . Tap Check for updates . If an update is available, download and install it. Keep your battery above 50% during this process. Method 2: TCL Software Upgrade Tool

A crucial text file named (the index file that tells the flashing tool where to write each component). Step 2: Preparing the Flashing Environment

Ensure your TCL 30 SE has at least 50% to 60% battery charge to prevent the phone from powering off mid-process.

Ensure all partitions in the list are checked. Drop down the flashing menu options and select . Do not select "Format All + Download" unless absolutely necessary, as this option can permanently erase your device’s unique IMEI numbers and NVRAM calibration data. Step 6: Begin the Flashing Process

Keep your phone connected to a charger until the installation finishes and the device reboots. Troubleshooting Common Flashing Errors 1. SP Flash Tool Error: PMT Changed for the ROM