Your Nokia 1.4 has a unique 15-digit IMEI. Unlock servers, which have access to manufacturer databases (HMD Global/Nokia), generate a 16-20 digit code that permanently disables the network lock.
Unlocking your Nokia 1.4 can refer to three distinct processes: bypassing a forgotten screen lock (PIN/pattern), removing a network carrier restriction (SIM lock), or unlocking the bootloader for advanced customization like rooting. nokia 1.4 unlock