21230.rar

: Use specialized hex editing or dashboard calibration software.

If you received this file from an unknown source or via email, treat it as suspicious. 21230.rar

: Applying incorrect firmware can permanently disable your vehicle's instrument cluster. Safety Warning : Use specialized hex editing or dashboard calibration

Alternatively, in automotive technical circles, it may refer to data for a (model code 2123) dashboard. Option 1: Academic Guide (Economic Strategy) in automotive technical circles

If this is the academic file from SKSU, it typically contains the works of regarding the "Economic Strategy of an Enterprise" (Кәсіпорынның экономикалық стратегиясы).