If you need chat histories:

The story of the Lumia 650 Emergency Files is a digital mystery involving the "Last Lumia" and a missing piece of software that turned hundreds of functional smartphones into permanent "bricks." The "Last Lumia" Legacy Launched in February 2016, the Microsoft Lumia 650

: Microsoft's official servers have historically lacked emergency files specifically for the Lumia 650 and its Dual SIM variant, often causing WDRT to report that "Emergency files for this phone are not available."

Microsoft ended support for Windows 10 Mobile in 2020. The Lumia 650 is now a brick to most, a museum piece to a few. But “Emergency Files” imply that someone, somewhere, still needs what is inside. Perhaps it’s a deceased relative’s voice. Perhaps it’s the only copy of a contract signed with a stylus on a fading screen. These files have outlived the operating system that understood them.

This voids any remaining warranty and may break Windows Update permanently. Use only for emergency file recovery before disposal.