Check your original version. If your printer has a version ending in NU (Not Upgradable), you must use a specifically modified fix that bypasses signature verification.
Most ML-2160 series printers, particularly those with firmware versions V1.01.xx.xx or V3.00.01.xx , can be reset via the using a drag-and-drop method.
Firmware Reset Samsung Ml 2160 - 2165 2160w 2165w Link
Check your original version. If your printer has a version ending in NU (Not Upgradable), you must use a specifically modified fix that bypasses signature verification.
Most ML-2160 series printers, particularly those with firmware versions V1.01.xx.xx or V3.00.01.xx , can be reset via the using a drag-and-drop method.