Current isp is: 24042901

but this version not have new mobile operator inside and and is not possible to write manually the details..like apn like a new name that is forbidden and write manually others parameters.

Other problem that this firmware have only two languages : english and Magyarorszag.

Firmware Version: 1.3.0 3.0.0 v6060.0 Build 250326 Rel.64623n

Hardware Version: NX510v v1.0 00000000

Module version: RG520NEUDCR03A02M4G_BAF_V01

Module SN: MPY23KD0Q0106420P