Select . Do not select "Format All + Download" as it can erase your device's IMEI number. Step 6: Connect the Device and Flash
| Partition | Function | Criticality | | :--- | :--- | :--- | | | Initial hardware init, enters download mode. | 🔴 High | | PGPT | Partition table (where partitions start/end). | 🔴 High | | Bootloader (LK) | Little Kernel – unlocks fastboot, verifies boot images. | 🟠 High | | Boot | Linux kernel + ramdisk (init). | 🔴 High | | System/Vendor | Android OS and vendor customizations. | 🟡 Medium | | Userdata | User apps, settings, storage (wiped during flashing). | 🟢 Low | | NVRAM | IMEI, MAC addresses, calibration data. | 🔴 High | | Recovery | Stock recovery environment (ADB sideload, reset). | 🟡 Medium | | Logo | Boot splash screen (TCL logo). | 🟢 Low | | SecCFG | Security configuration (e.g., disable download mode). | 🟠 High | Firmware TCL 30 XL 4G
Once upon a time, your TCL 30 XL 4G lived in a world of endless scrolling and sharp photos, but lately, it’s been feeling a little tired. To wake it back up with the latest features or a fresh start, you’ve decided to "put together" its soul—the firmware. Here is the story of how you can renew your device: The Path of Least Resistance: FOTA The easiest way to update is through Firmware-Over-The-Air (FOTA) . Your phone simply whispers to the TCL servers and downloads what it needs wirelessly. Charge your battery to at least so it doesn't fall asleep mid-update. Settings > System > System update (or "About phone"). Check for updates . If your phone finds one, it will handle the rest. The Advanced Rescue: Mobile Upgrade Tool Select
When FOTA fails or fails to pull the latest version, use the desktop companion tool. How to Download Firmware for TCL 30 XL 4G?, How To | 🔴 High | | PGPT | Partition