Model name meaning

[Mahespaudel]

What is the meaning of various model for a handset like in M21, SM-M215F, SM-M215F/DS, SM-M215F/DSN? 

What does 5F, 5F/DS, 5F/DSN indicate? Please help me in this.

[veer]

SM-M215F/DS this means launch with Globally

[Mahespaudel]

/DSN mean?

[veer]

DS Dual sim is globally

[veer]

m215f is modal number bro

[veer]

DS indicates globally launch

[Anikroyale]

Regional difference.