Galaxy s4 imei problem after downgrade to lollipop to kitkat pls gudie !

Galaxy s4 imei problem after downgrade to lollipop to kitkat pls gudie !



I have samsung galaxy s4 i 9500



i updated it with 5.0 lollipop and due to hang problem i decided it to downgrade to kitkat



after kitkat it showed imei null



so i downloaded official lollipop from support site and flashed it



after flash with lollipop it shows imei with 009 series no.



Means no imei



i tried with repair option in z3x box it shows



repair done



but imei are not coming and phone showing



when i try to call it shows not registered on network



pls guide

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