Ensure your TECNO Spark 30C has at least . If your phone runs out of battery while in Fastboot Mode or during a flashing process, it could corrupt the system partition and cause a hard brick.
Here’s a step-by-step guide to open on the TECNO Spark 30C . How to Open Fastboot Mode on TECNO Spark 30C
Once you see an Android robot lying on its back with an exclamation mark or a specific menu list, release the buttons. Ensure your TECNO Spark 30C has at least
Select it. The phone will reboot into Fastboot mode. from Google’s Platform Tools).
On your PC, install (e.g., from Google’s Platform Tools).