Maybe your installed drivers are now not working due to "signing problems" Try to connect your phone to a linux-pc (or boot a linux-system from USB-Stick), enable developer-options, unlock the screen and after USB-connection the USB-menu should pop-up, choose MTP and get acces to your phones internal memory.
Enabling debugging. Having completed the preparatory steps, move on to the main part of the instructions, which look as follows: Open the Huawei Honor 70 Lite 5G settings. Go to "Additional settings" and then to "Developer options". Activate the slider next to "USB debugging". Confirm the operation.Enabling debugging. Having completed the preparatory steps, move on to the main part of the instructions, which look as follows: Open the Huawei Honor X8 settings. Go to "Additional settings" and then to "Developer options". Activate the slider next to "USB debugging". Confirm the operation. 6PLghO.