### Solution 2: Manual installation of fastboot drivers for the GS290
1. Download the driver. Unfortunately, Gigaset does not provide an official "fastboot interface driver".
You can use [the one we extracted](https://images.ecloud.global/tools/drivers/windows/fastboot), but there can be cases where it may work.
You can use [the Android one](https://developer.android.com/tools/releases/platform-tools), but there can be cases where it may work.
1. Start your phone in Fastboot mode (turn it off then keep pressing Power + Volume up. Then select Fastboot with Volume up, and confirm with Volume down)