Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors

Reply To: IMSI Unknown in HLR


Hello all

we are facing the same problem in our Network with ZTE and Huawei vendors

we delete inactive SIMs from HLR
we receive this error IMSI unknown in HLR” from HLR

and we notice huge LOC UP attempts and it effect the radio resources, it is clear under 2G netwrok more than 3G.