Quectel m26 led not blinking after simcard add

Please help me. SMS modem quectel m26 led does not flash after inserting the simcard nor does it flash.
can not recognize the number and network operator. the normal condition is when the add simcard led flashes

Sometime IMEI blocked, coba inject IMEI nya dulu klo misal ga berhasil, bisa DM sy.

im sorry. please how to injeck emai. please step by step for injecj emai