A popular Russian-language forum with detailed threads on the Fly E185, including custom versions and driver packs.
Downloading and installing the firmware (proshivka) for the is a common way to resolve software glitches, "hangs" at the logo, or to restore the device to its original factory state. Since this is a legacy feature phone, finding official sources can be difficult, so using archived community repositories is usually necessary. Fly E185 Firmware Overview
Run the driver setup on your Windows PC so the computer recognizes the phone in "service mode." Launch FlashTool: Open the Flash_tool.exe application.