: "4K" files or firmware updates are often large. Ensure you have at least double the zip's size in free disk space for the extraction process. 2. Unzipping the Archive
: Ensure you downloaded this from an official manufacturer site or a trusted community forum. X1m21.v4.3.4k.Language.EN(Please UnZip).zip
: Run the .zip file through an antivirus or VirusTotal before opening. : "4K" files or firmware updates are often large