Once you are in Fastboot Mode, the touchscreen will not work. You must use the physical hardware buttons.
Press and hold the Power button , then tap Power Off. Wait about 10 seconds for the device to shut down completely. how to open fastboot mode on tecno spark 6 go
: Press the Power button to select the option. Your device will now restart into Fastboot Mode . Method 2: Using ADB Commands (PC Required) Once you are in Fastboot Mode, the touchscreen will not work