"Update 4.0.2 initializing. Recalibrating user interface."
On MAG hardware, a full firmware flash may reset everything. Back up your settings first. On STBEmu, an in-app update preserves your data. Stb Upgrade Ver 4.0.2 Download
If you are using a Fire TV Stick or a Chinese Android box without Google Services, follow these steps for : "Update 4
: To find the exact file for your specific box, you must verify the manufacturer (e.g., Infomir, Mag, TiVo) as firmware is proprietary. You can often find official downloads on manufacturer support portals like Infomir Wiki TiVo Support download link for a particular brand or model of Set-Top Box? STB Release Upgrade STB Release Backup Via RS 232 Port On STBEmu, an in-app update preserves your data
While there isn't one universal download for all boxes, this specific version (4.0.2) is most commonly associated with older STB Erom Upgrade